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Distal Radius Fracture

Distal radius fractures — assessment, casting, and indications for surgical fixation.

144 citationsUpdated Sep 2026

For patients: a plain-language version of this topic is available. See the patient guide.

Overview

Distal radius fractures are among the most common fractures presenting to the emergency department [5]. Fracture patterns vary depending on the mechanism of injury [5], and patients of advanced age with osteoporosis face an increased fracture risk during low-energy falls [5]. The primary goals of all treatment modalities are to optimize comfort and function [5]. While some outcomes differ between age and fracture type groups [1], optimal treatment requires individualized selection based on fracture pattern, injury mechanism, soft-tissue injury, patient characteristics, and surgeon preference [71].

Controversies span the entire spectrum of management, including assessment, diagnosis, treatment, and outcome evaluation [2]. Treatment decisions are largely based on clinician experience due to a lack of prospective level I or II studies [4]. The optimal treatment remains without consensus opinion, as well-controlled patient trials are missing to lend objective findings to management algorithms [16]. The American Academy of Orthopaedic Surgeons (AAOS) Clinical Practice Guideline examines 29 different aspects of treatment but is unable to make any strong recommendations [26]. Nearly two-thirds of categories in this guideline are deemed “inconclusive” or “limited” after evidence review [26]. The most recent Cochrane Review concludes there remains insufficient evidence from randomized controlled trials to determine which methods of treatment are most appropriate for common types of distal radius fractures in adults [26]. Consequently, the best method of operative fixation remains unclear [26], and the clinical superiority of a particular treatment modality is without consensus [36]. The choice of a particular implant system should be based on the surgeon's familiarity with the implant design and its limitations [36].

To guide qualified physicians through treatment decisions and improve the quality and efficiency of care, the Appropriate Use Criteria developed appropriateness treatment ratings for 216 patient scenarios using evidence-based information and clinical expertise [3, 70]. Agreement with these criteria increased for operatively treated fractures after adoption but not for nonoperatively treated fractures [68]. Adverse events are incompletely reported among randomized controlled trials cited as supporting evidence for AAOS clinical practice guidelines [7]. Complication frequencies did not differ among different treatment modalities, but observed frequencies from most comparative observational studies were less robust against potential unmeasured confounders [76]. There are few comparative trials to compare outcome measures, and no universally accepted gold standard exists to evaluate recovery [58]. In only half of the studies involving patients with an unstable distal radius fracture did the authors define what they considered an unstable fracture [50]. For older adults, there is no clear evidence of the clinical superiority of surgery at one year, although surgical treatment may yield a faster recovery to previous activity levels [61]. There are tradeoffs in outcomes when treating patients older than 60 years with closed extraarticular fractures using casting or surgery [177], and no single best option exists across all domains [189]. Despite growing evidence for less invasive options, operative treatment remains rather popular today [78].

Anatomy & Pathophysiology

Bony Anatomy

The distal radius features a biconcave articular surface comprising scaphoid and lunate facets, while the distal radioulnar joint (DRUJ) articulates with the ulna at the sigmoid notch [106]. In a normal wrist with neutral ulnar variance, the distal radius bears 80% of axial load [106]. The distal radius metaphysis possesses thin cortex, rendering it vulnerable to bending forces [106]. The brachioradialis insertion on the radial styloid acts as a deforming force in distal radius fractures [106]. Lister tubercle is a small dorsal prominence that serves as a landmark for the dorsal approach to the wrist and is a cause of attritional rupture of the extensor pollicis longus after a distal radius fracture [106].

The carpus consists of two rows of eight bones that bridge the forearm and hand, providing movement at the wrist joint while retaining stability [40]. The proximal carpal row includes the scaphoid, lunate, and triquetrum from radial to ulnar [40]. The distal carpal row includes the trapezium, trapezoid, capitate, and hamate from radial to ulnar [40]. The pisiform is a sesamoid bone enclosed within the sheath of the flexor carpi ulnaris tendon and is not theoretically considered part of the proximal carpal row [40]. The proximal carpal row has no direct tendon attachments; its movement results from bone shape, interaction with other bones, and ligament attachments [40]. The distal carpal row articulates with the proximal row and distally with the five metacarpals by forming a transverse arch [40]. The trapezium articulates with the first metacarpal, the trapezoid with the second, the capitate with the third, and the hamate with the fourth and fifth [40]. The capitate and trapezoid are tightly connected to the metacarpals, whereas there is 30 to 40 degrees of flexion–extension and rotation at the metacarpotrapezial joint [40].

The scaphoid is a small, irregular S-shaped tubular bone located in the proximal carpal row on the radial aspect of the wrist [93]. It lies entirely within the wrist joint at a 45-degree plane to the longitudinal and horizontal axis of the wrist [93]. The scaphoid articulates with the trapezium/trapezoid distally, the radius proximally/laterally, and the capitate and lunate medially [93]. The scaphoid acts as a midcarpal joint "bridge" linking and synchronizing the motions of the proximal and distal carpal rows [93].

Ligamentous Anatomy

Extrinsic ligaments of the carpus connect the carpal bones to the forearm bones proximally and the metacarpals distally [96]. Extrinsic palmar radiocarpal ligaments include the transverse carpal, radioscaphocapitate, radioscapholunate, radial collateral, long radiolunate, and short radiolunate ligaments [96]. Extrinsic ulnocarpal ligaments include the ulnotriquetral, ulnolunate, and ulnocapitate ligaments [96]. Strong oblique extrinsic palmar radial ligaments prevent the carpus from translating medially on the angulated slope of the distal radius through two V-shaped ligamentous bands [96]. The space of Poirier is a V-shaped interligamentous sulcus over the capitolunate articulation representing an interval of capsular weakness [96]. The arcuate ligament is found in the central third of the palmar joint capsule and forms a support sling for the midcarpal region, particularly the head of the capitate [96]. Extrinsic dorsal carpal ligaments include the dorsal radiocarpal ligament and the dorsal intercarpal ligament, which form a V-shaped configuration [96].

Intrinsic ligaments connect individual carpal bones to one another and are intra-articular short fibers [96]. Intrinsic ligaments include the palmar midcarpal ligaments (scaphotrapeziotrapezoid, scaphocapitate, triquetrocapitate, triquetrohamate), proximal interosseous ligaments (scapholunate, lunotriquetral), and distal interosseous ligaments [96]. The scapholunate ligament has dorsal, palmar, and proximal portions, with the proximal portion being the widest, thinnest (1 mm), and weakest section [117]. The lunotriquetral ligament has dorsal, palmar, and proximal portions, with the palmar portion being a transverse strong thick bundle of fibers [117]. The triangular fibrocartilage complex (TFCC) is the most frequent soft tissue injury associated with distal radius fractures, with a reported incidence ranging from 49% to 78% [88].

Vascular Anatomy

The scaphoid blood supply arises from two vascular pedicles originating from the scaphoid branches of the radial artery [93]. The dorsal branch enters via foramina along the spiral groove and dorsal ridge, supplying 70% to 80% of the scaphoid proximally, including the proximal pole [93]. The volar branch enters via the scaphoid tubercle and supplies the remaining 20% to 30% of the distal scaphoid [93]. The waist of the scaphoid has minimal or no perforating vasculature [93]. No vessels perforate the proximal dorsal cartilaginous area or through the scapholunate ligament [93]. Proximal scaphoid fractures are associated with at least temporary disruption of the interosseous blood supply to the proximal pole [93].

The vascular supply of most carpal bones enters the distal half, leaving the proximal half at risk of avascular necrosis [109]. The scaphoid, capitate, and about 20% of all lunates are supplied by a single vessel, increasing their risk of avascular necrosis [109]. The trapezium, triquetrum, pisiform, and 80% of lunates receive nutrient arteries through two nonarticular surfaces with consistent intraosseous anastomoses, reducing the risk of avascular necrosis [109]. The trapezoid and 50% of hamates lack an intraosseous anastomosis and are at risk of avascular fragments [109].

Pathophysiology & Biomechanics

Distal radius fractures occur in a bimodal distribution with peaks for high-energy injuries in young patients and low-energy injuries in elderly patients [56]. The incidence of distal radius fractures in the United States is 643,000 per year [56]. As the intensity of a fall-on-outstretched-hand mechanism increases, the percentage of AO type C fractures increases at the expense of type A fractures, while the percentage of type B fractures remains relatively constant [13].

The distal radius has two articular surfaces: the radiocarpal joint with scaphoid and lunate facets, and the sigmoid notch that articulates with the distal ulna [266]. Both articular surfaces of the distal radius must be realigned properly for optimal function [266]. Malunion of the distal radius may be associated with extraarticular deformities, intraarticular malalignment, distal radioulnar joint incongruity or instability, or a combination of these features [6]. Extraarticular deformities of the distal radius include shortening and excessive dorsal or volar tilt of the distal radial articular surface [6]. Radiographic measurement of an intact distal radius shows an average of 22 to 23 degrees of radial inclination, 11 to 12 mm of radial height, 11 to 12 degrees of volar tilt, and ± 2 mm of ulnar variance [6].

Intraarticular incongruity in the radiocarpal joint of more than 2 mm is likely to be associated with a poor functional outcome [6]. A 1- to 2-mm step-off at the distal radioulnar joint is likely to be associated with a poor functional outcome [6]. Dorsal angulation of more than 20 degrees and radial inclination of less than 10 degrees are likely to be associated with a poor functional outcome [6]. Loss of sagittal tilt of 20 to 30 degrees is likely to be associated with a poor functional outcome [6]. More than 10 degrees of dorsal tilt leads to decreased wrist flexion [6]. 6 mm of radial shortening causes dysfunction of the distal radioulnar joint [6]. Fractures with more than 25 or 30 degrees of angulation in the frontal or sagittal plane or 6 mm or more of radial shortening are likely to become symptomatic [6]. Patients with constitutional joint laxity may develop midcarpal instability with a dorsal tilt of only 10 to 15 degrees [6].

Malunion of the distal radius is associated with significant changes to distal radioulnar joint mechanics and ligament lengthening [6]. 20 to 30 degrees of dorsal tilt alters the force distribution across the radiocarpal joint and should be considered a prearthritic condition [6]. Significant articular incongruity and radial shortening are more consistently correlated with the development of symptoms than other radiographic measurements [6].

Injuries to adjacent soft-tissue structures occur in approximately one-half of distal radius fractures and in almost all intra-articular fractures [127]. The most common associated soft-tissue injuries in distal radius fractures are TFCC, scapholunate ligament, and lunotriquetral ligament in descending order of frequency [127]. An injury of the triangular fibrocartilage complex (TFCC) is the most frequent soft tissue injury associated with distal radius fractures [88]. An ulnar styloid fracture often accompanies distal radius fractures in up to 70% of cases [88]. In cadaveric simulations of distal radius fracture pathomechanics, distal radioulnar joint instability was found in 45% of cases [88]. DRUJ instability in cadaveric simulations resulted from complete or partial laceration of the TFCC at its ulnar insertion, manifesting as an ulnar styloid fracture (68% of cases) or ulnar avulsion of its ligamentous insertion (29%) [88].

Radial shortening of 5–7 mm can stretch the dorsal and palmar radioulnar ligaments and result in ligament tears [88]. More than 20° of dorsal angulation has been associated with DRUJ incongruence and altered kinematics of the TFCC [88]. The ulnotriquetral ligament is substantially stretched with 10° to 20° dorsal angulation of the distal radius [88]. Dorsal angulation deformities of the distal radius affect the 3-dimensional kinematics of the DRUJ, especially with the TFCC sectioned [143]. Decreased radial inclination significantly increases distal radioulnar joint stiffness when the ligament is intact or partially divided [178]. The lengths of some carpal ligaments are substantially altered even by mild dorsal angulation of the distal radius, while the lengths of most other ligaments are not substantially affected [180]. The distal radioulnar joint stiffness in dorsal translation decreases significantly with dorsal tilt of 10° and 20° in pronation [184]. Limited pronation and supination in malunited distal radius fractures result from the effect of radius deformity on overstretching dorsal and palmar ligaments [202].

Alterations in contact biomechanics due to a deeper central impaction of the distal radius could be one reason for the higher incidence of posttraumatic osteoarthritis [91]. Patients with distal radius fractures exhibit altered scapular kinematics, which may further contribute to the development of secondary musculoskeletal pathologies [90]. Injury to the dorsal wrist extrinsic carpal ligaments exacerbates volar radiocarpal instability after intra-articular distal radius fracture [148]. Casting a distal radius fracture decreases the forces and pressures in the radiocarpal joint [166]. The relative movement of the lunate with respect to the distal radial articular surface, defined as an effective radio lunate flexion of more than 25°, is associated with poor functional results [163]. Ulnar styloid intersection with the distal ulnar shaft axis is associated with even lower radial inclination in older female patients with distal radius fractures [203].

Classification

System Reliability and Limitations

Existing classification systems for adult distal radius fractures function primarily as historical or research tools rather than useful clinical knowledge, owing to poor reproducibility, excessive complexity, and weak correlation with functional outcomes [43]. Contemporary systems have not achieved impressive interobserver agreement and should not be overly relied upon to dictate treatment plans [95]. No single classification system is adequate; instead, various systems categorize injuries to guide treatment based on expected outcome, fracture displacement, stability, and associated injuries [212]. Numerous distal radius classification systems exist, yet there is no consensus as to their reliability or value in treatment planning [232].

AO/OTA

The AO/Orthopaedic Trauma Association classification system stratifies distal radius fractures into three basic groups with subdivisions based on location and pattern [232]. Type A fractures are extra-articular, including Colles and Smith patterns [232]. Type B fractures denote partial articular fractures, including volar and dorsal Barton patterns [232]. Type C fractures include complete articular fractures where no portion of the articular surface is contiguous with the shaft [232]. Volar and dorsal shear fractures, classified as partial articular type B, are inherently unstable [232]. A volar lunate facet fragment must be stabilized to prevent volar subluxation of the carpus [232].

The system defines three columns: the radial column includes the radial styloid and scaphoid facet; the middle column includes the volar and dorsal lunate facets and sigmoid notch; and the ulnar column includes the ulnar head and TFCC [232]. The sigmoid notch is important for forearm supination and is part of the middle column [232]. The middle column should be prioritized when considering comminuted or complex fracture patterns [232].

Fernandez

The Fernandez classification classifies distal radius fractures into five types according to radiographic findings and applies a presumed mechanism of injury [207]. It provides a separate grouping for possible associated DRUJ lesions [207]. However, the Fernandez classification has poor interobserver reliability and intraobserver reproducibility [207].

Other Considerations

Interobserver reliability for the AO classification was substantial for type A fractures but fair and moderate for type B and C fractures [217]. Intra-rater reproducibility for the AO classification was "substantial" for fracture types and "fair" for fracture groups [217]. The AO/Orthopaedic Trauma Association classification system involves 144 subtypes, making it cumbersome to use, and has decreased reliability with subtyping [232]. Eponymous classification systems such as Colles, Smith, and Barton are often used incorrectly and create confusion because they are not comprehensive [232]. Intersurgeon reliability for evaluating the characteristics of and classifying intraarticular distal radius fractures did not improve with an additional 3-D model [188].

In a study of 268 patients, Type A (extraarticular) fractures were seen in 43.3%, Type B (partial articular) in 13.1%, and Type C (complete articular) in 43.7% [179]. The distribution of AO subtypes in a study of 268 patients was A1 (0.7%), A2 (20.5%), A3 (22%), B1 (10.1%), B3 (3%), C1 (7.8%), C2 (12.7%), and C3 (23.1%) [179]. As the intensity of the fall mechanism increased, the percentage of AO type C fractures increased correspondingly, at the expense of type A fractures [13]. The percentage of AO type B fractures remained relatively constant as the intensity of the fall mechanism increased [13]. Distal radius fracture patients with osteoporosis did not sustain more complex fractures than those with osteopenia/normal BMD according to the AO classification system [59].

A new intra-articular distal radius fracture classification was proposed based on the affection condition of the volar or dorsal side using a machine learning clustering method [200]. A new method for the classification of intra-articular fractures of the distal radius redefines fracture line distribution to provide a clearer understanding of fracture characteristics [101]. The DREAD classification organizes and describes articular fragment escape patterns following distal radius fracture fixation [134]. A classification system for extra-articular distal radius fractures with associated injuries provides reliable and reproducible classification with meaningful inter- and intraobserver reliability across all fracture types [51]. The classification tested in a study of children is reliable and reproducible when applied by raters experienced in fracture management [220].

Clinical Presentation

History and Mechanism

The typical history for a distal radius fracture involves a fall onto an outstretched hand, though some injuries result from higher-energy mechanisms [187]. In fall injuries, the force of the impact correlates with the AO classification of the fracture; increasing mechanism intensity corresponds to a higher percentage of type C fractures at the expense of type A fractures [13]. The injury described by Abraham Colles in 1814 is a transverse fracture of the radius just above the wrist with dorsal displacement of the distal fragment, which is the most common fracture in older women related to postmenopausal osteoporosis [15]. History should focus on other areas of pain in the ipsilateral limb to rule out concomitant injury [187].

Physical Examination

Patients present with associated pain, swelling, and often visible deformity at the wrist [187]. The most typical pattern of deformity is dorsal angulation at the distal radius accompanied by compensatory flexion of the carpus, resulting in a "dinner-fork" deformity [187]. In patients with less deformity, there may only be local tenderness and pain on wrist movements [15]. When there is no obvious deformity but clinical suspicion remains high, point tenderness or pain with percussion at the distal radius can aid in diagnosis [187]. Physical examination should include a thorough inspection of the skin to evaluate for open wounds, which most commonly occur on the volar ulnar side [187]. A thorough neurologic examination is required to rule out acute carpal tunnel syndrome and to look for median or ulnar nerve injury [187].

Imaging

Standard scaphoid radiographs are used for primary assessment to detect displacement and associated fractures [45]. Provocative stress tests may be required to demonstrate dynamic radiocarpal instability [45]. CT may be required to better define associated bony injuries [45]. MRI can be used to determine the extent of ligamentous disruption [45]. Standard ultrasound images from a pocket-sized handheld ultrasound can accurately diagnose a distal radius fracture and identify an unsatisfactory reduction [105]. Conventional radiography of the wrist has a low sensitivity for detecting distal radioulnar joint pathology [111]. The role of magnetic resonance imaging in detecting distal radioulnar joint translation is unclear [111].

Associated Injuries and Complications

Fractures of the radial styloid may be associated with SL ligament injuries because the intra-articular fracture line extends into the joint at that level [5]. Distal radius fractures associated with base ulnar styloid fractures result in higher patient-reported pain and disability compared to isolated distal radius fractures in adults under 65 years old [133]. Soft-tissue injuries are common concomitants of distal radius fractures and may influence acute management strategies or cause persistent pain and disability despite fracture healing [53]. The diagnosis of complex regional pain syndrome after distal radius fractures remains largely clinical due to poor sensitivity of imaging and lack of laboratory studies [39]. Persistent neurological deficits after distal radius fractures should prompt early investigation and consideration for structural nerve injury [55]. If early carpal tunnel syndrome findings are noted during distal radius fracture management, all potential causes should be evaluated, including prominent volar cortical fragments or prominently placed hardware [99].

Investigations

Plain radiography: The standard series for distal radius fractures comprises posteroanterior (PA), lateral, and oblique views [141]. All measurements must be taken on a true lateral view where the radius and ulna are superimposed, as forearm rotation significantly affects results; pronation reduces apparent radial length by up to 0.5 mm compared with neutral rotation, and a 5-degree rotational change alters volar tilt by 1.6 degrees [141]. Normal parameters include a radial inclination of 22 to 23 degrees on the PA view, a volar tilt of 11 to 12 degrees on the true lateral view, and a radial height of 11 to 12 mm on the PA view [141]. Radial height is defined as the distance between parallel lines perpendicular to the radial shaft at the distal ulnar head and radial styloid [141]. Radial inclination is the angle between a line perpendicular to the radial shaft and a line connecting the distal DRUJ to the radial styloid [141]. Volar tilt is the angle between a line perpendicular to the radial shaft and a line connecting the volar and dorsal rims of the distal radius [141]. Ulnar variance is the vertical distance between lines perpendicular to the radial long axis, one parallel to the medial radial articular corner and the other parallel to the most distal ulnar head articular surface [141].

The teardrop angle, measured on the lateral view as the angle between the radial shaft and the central axis of the volar lip’s U-shaped outline, averages 70 degrees [141]. A teardrop angle less than 45 degrees correlates with articular gap and step-off on CT [141]. Carpal malalignment is assessed by drawing lines down the long axes of the capitate and radius, which should overlap or intersect within the carpus in normal alignment [141]. Specific views include the dorsal tangential view, obtained by flexing the wrist with the forearm tangential to the C-arm beam to assess dorsal cortical screw penetration, and the radial incline view, taken on the lateral projection with the C-arm adjusted to match radial inclination to visualize the articular surface [141]. While most fracture fragments are assessable on plain films, the volar ulnar rim fragment requires particular attention [250]. Substantial variability exists in how radiographic measurements are defined in large clinical studies, suggesting a need for consensus on assessment and interpretation [49]. Providing computed radiographic parameters to surgeons may improve the consistency of radiographic judgment and influence clinical decision-making [246].

CT: Computed tomography is useful for preoperative planning of intraarticular distal radius fractures and may be required to better define associated bony injuries in cases of radiocarpal instability [45, 48]. The dorsal ulnar corner and intra-articular free fragments typically require CT for accurate evaluation [250]. CT assessments of the DRUJ primarily show alterations of alignment but carry several risks of bias in patients with a prior distal radius fracture [242]. The articular portions of dorsal rim fragments are smaller than indicated by CT [248]. Intraoperative three-dimensional imaging provides additional information compared to conventional two-dimensional fluoroscopy [263]. 3D fluoroscopy facilitates the detection of intra-articular incongruities and may prompt intra-operative revisions [255]. However, the addition of a handheld distal radius fracture model did not improve fellowship-trained surgeons' recognition of or confidence in the injured anatomy compared with 2-D or 3-D CT images and radiographs [264].

MRI: Magnetic resonance imaging is used to determine the extent of ligamentous disruption in radiocarpal instability [45]. It is indicated to rule out injuries to carpal ligaments, such as the lunotriquetral and scapholunate ligaments, or the triangular fibrocartilage complex (TFCC) [48]. Advanced multiparametric sequences may facilitate accurate, noninvasive assessment of articular cartilage changes after distal radius fracture without the need for a contrast agent [138].

Ultrasound: Ultrasound scanning provides an additional tool for the detection of carpal ligament injuries [118]. The excellent correlation of postreduction ultrasound findings with radiographic findings supports the use of ultrasound for real-time monitoring of the closed reduction of distal radius fractures [247]. Ultrasound examination after volar plate fixation of comminuted distal radius fractures may detect dorsal screw tip prominence when screw lengths are selected to engage the dorsal cortex [251].

Other Considerations: Injuries to the scapholunate and lunotriquetral interosseous ligaments occur in approximately one third of distal radius fractures, but their diagnosis is challenging as plain radiographs are not reliably diagnostic [254]. A radiographic finding of a normalized DRUJ gap on posteroanterior views was the most important predictor to identify DRUJ instability accompanying unstable distal radius fractures [249]. Clinical assessment alone of distal radioulnar joint instability following a distal radius fracture appears not to be reliable [265]. The diagnosis of complex regional pain syndrome (CRPS) after distal radius fractures remains largely clinical due to poor sensitivity of imaging and lack of laboratory studies [39].

An unacceptable radiological reduction is significantly associated with worse patient-reported outcomes in adults with a displaced distal radius fracture [245]. Conversely, adequate radiographic reduction is not necessarily associated with better patient-reported functional outcomes or greater satisfaction in elderly patients with conservatively treated distal radius fractures [259]. For distal radius fractures that were initially nondisplaced or minimally displaced, the overall rate of unacceptable radiographic displacement at 6 weeks was 30% [253]. Radiographic outcomes decline linearly with increased time to surgery in distal radius fractures [52]. A machine learning model has been developed that accurately predicts 6-week radiographic outcomes in nonsurgically treated distal radius fractures [87]. Routine follow-up radiographs for distal radius fractures seldom influence clinical decision-making [89].

Distal radius fracture patients with osteoporosis did not sustain more complex fractures than those with osteopenia or normal bone mineral density according to the AO classification system [59]. Men over the age of 65 with a distal radius fracture are more likely to have post-fracture disability regardless of radiographic appearance [23]. Distal radius fractures among men occur at a slightly younger average age than among women, yet fewer men are evaluated with a DXA scan or treated for bone mineral density abnormalities [27]. Low bone mineral density may have a greater impact on distal radius fracture in women younger than 60 years of age or over 70 years of age [261].

Treatment

General Principles and Guidelines

Optimal treatment for distal radius fractures remains controversial, with no unanimous consensus or evidence-based routine treatments currently existing [64]. The best method of treatment has yet to be found, as a multitude of options are available with varying degrees of supporting evidence [62]. Despite the frequency of these injuries, well-controlled patient trials are still missing to lend objective findings to management algorithms [16]. The most recent AAOS Clinical Practice Guideline is unable to make strong recommendations, with nearly two-thirds of categories rated as “inconclusive” or “limited” [26]. Consequently, treatment requires individualized selection based on fracture pattern, injury mechanism, soft-tissue injury, patient characteristics, and surgeon preference [71]. The clinical superiority of a particular treatment modality remains without consensus, and implant system choice should be based on the surgeon's familiarity with the design and its limitations [36].

The American Academy of Orthopaedic Surgeons (AAOS) and American Society for Surgery of the Hand (ASSH) Clinical Practice Guideline contains seven recommendations to assist physicians managing acute distal radius fractures [28]. The AAOS Appropriate Use Criteria were developed to determine the appropriateness of diagnostic decisions and treatment using evidence-based information and clinical expertise [3]. These criteria developed appropriateness treatment ratings for 216 patient scenarios to guide qualified physicians through treatment decisions [70]. Treatment continues to progress with diagnostic and therapeutic innovations in a perspective of personalized medicine: the right treatment for each patient [20]. A network meta-analysis of randomized trials revealed that open reduction and internal fixation with a plate offers the best results for adult patients, in terms of early and sustained functional recovery and a reduction in fracture healing complications [156]. However, nonsurgical treatment should be considered first [135]. A 2020 meta-analysis comparing surgical and nonsurgical management in adults of all ages showed that median term DASH scores and grip strength favored surgical treatment, although there was no difference for patients older than 60 years [67].

Non-Operative

Nonoperative treatment remains the most common form of treatment for distal radius fractures [54]. Significant functional deficiencies are correlated with poor reductions in nonoperatively treated cases [54]. The optimal reduction technique and immobilization are debated, but current best evidence suggests initial displacement determines the final alignment regardless of the time of immobilization [5]. Wrist splints or short arm casts are usually used, leaving the elbow and forearm free unless there is severe radioulnar joint injury or disruption [5]. Displaced fractures are immobilized for 4 to 6 weeks after acceptable closed reduction [5]. It is important to encourage elevation, digital range of motion, and functional use of the limb to avoid stiffness and limit swelling [5]. Nondisplaced distal radius fractures are associated with occasional extensor pollicis longus rupture, usually about 4 to 6 weeks after injury [5].

If the fracture is undisplaced, a dorsal splint is applied for 1–2 days until swelling resolves, then the cast is completed [15]. The fracture is stable and the cast can usually be removed after 4 weeks to allow mobilization for undisplaced fractures [15]. Displaced fractures must be reduced under anaesthesia (haematoma block, Bier’s block or axillary block) [15]. The hand is grasped and traction is applied in the length of the bone to disimpact the fragments; the distal fragment is then pushed into place by pressing on the dorsum while manipulating the wrist into moderate flexion, ulnar deviation and pronation [15]. If the reduction is satisfactory, a dorsal plaster slab is applied, extending from just below the elbow to the metacarpal necks and two-thirds of the way round the circumference of the wrist [15]. Flexion and ulnar deviation of 20 degrees in each direction is adequate for immobilization, and extreme positions must be avoided [15]. The arm is kept elevated for the next day or two; shoulder and finger exercises are started as soon as possible [15]. If the fingers become swollen, cyanosed or painful, there should be no hesitation in splitting the bandage [15]. It is essential to check the position again by X-ray 7 days later and again at 14 days [15]. Later collapse is not uncommon; often the fracture redisplaces in the cast; if so, remanipulation usually fails and surgery is considered [15]. The fracture usually unites in about 5 weeks and, even in the absence of radiological proof of union, the slab may then be discarded and exercises begun [15]. With a Colles’ fracture, avoid too much flexion in plaster [15].

In the setting of minimally displaced distal radius fractures, prospective trials have demonstrated no significant difference between cast and splint immobilization [183]. AAOS guidelines deem the use of removal wrist splints as an acceptable option for immobilization in nondisplaced radius fractures [183]. For individuals choosing prefabricated splint immobilizations, the patient is always instructed to wear the removal splint except to perform personal hygiene [183]. In most cases, the provision of two removable splints is ideal, to allow the patient to alternate and wash the splints while maintaining appropriate wear [183]. A therapy-fabricated custom orthosis is preferred by some patients but entails increased cost of care [183]. If a patient with displaced metaphyseal distal radius fracture presents to a facility with the appropriate capability, a closed reduction is performed with conscious sedation or analgesia with an associated hematoma block [183]. Although above-elbow and below-elbow immobilization methods have been demonstrated to maintain fracture reduction, a molded sugar tong splint is preferred to maintain postreduction alignment [183]. Following closed reduction and immobilization, patients should be followed closely with serial radiographs to evaluate for subsequent displacement [183]. The likelihood of subsequent fracture displacement decreases substantially after the first 2 weeks [183]. Patients undergoing nonoperative treatment should be counseled about the risk of spontaneous extensor pollicis longus rupture [183]. Nondisplaced distal radius fractures appear to be inherently stable, and it may be appropriate to treat this subset with only an initial radiograph at injury and another at six weeks when the cast is removed [210]. Mobilisation 10 days after reduction cannot be recommended for the routine treatment of reduced distal radius fractures [204]. Non-operative treatment of displaced distal radius fractures after adequate closed reduction confirmed on radiograph leads to acceptable functional outcomes after 12 months, however, at the expense of 40% subsequent surgeries [69].

Most elderly patients with displaced distal radius fractures can be treated nonoperatively [165]. Cast immobilization is non-inferior to volar locking plates in relation to QuickDASH after one year in patients aged 65 years and older with displaced distal radius fractures [165]. We would advise our patient that the available evidence suggests that nonsurgical treatment is associated with greater visible deformity and that symptoms and disability improve for a year, but in the end they are no different on average than results with surgery [164]. Extraarticular fractures without notable deformity, intraarticular fractures with minimal displacement, and fractures in low-demand patients may be effectively treated with reduction and casting [164]. Most elderly patients choose nonsurgical treatment [164]. Healthier, more active patients seem more likely to choose surgery [164]. Patients who choose nonsurgical treatment are placed in an orthosis for 2 weeks to allow swelling to subside before changing to a below-elbow cast [164]. The total period of immobilization is 6 weeks, at which point patients are given a removable wrist orthosis and taught stretching exercises [164]. In our experience, stable extra-articular fractures are well managed with non-operative treatment [171]. We perform closed reduction and plaster cast immobilisation (long arm) in neutral position with the wrist kept in 20° of flexion and 20° of ulnar deviation [171]. Radiographic evaluation is performed at 7 and 15 days from injury to eventually identify secondary fracture displacement [171]. The long arm cast is kept for 4 weeks, followed by a short arm cast [171]. It is imperative surgeons assess distal radius fracture stability accurately and exercise proper

Operative

Indications: Surgical treatment indications relate to infirmity, functional demands, tolerance of deformity, and personal preferences [5]. Injury and patient characteristics meriting a discussion of surgical treatment include loss of reduction, including ulnar variance 5 mm or more positive; dorsal articular tilt ≥15° (ie, volar apex angulation); and loss of radial inclination >10° [5]. Other characteristics include an articular gap or step of 2 mm or more [5], unstable volar extra-articular fractures (Smith fracture) [5], fractures with associated neurovascular injuries [5], and fractures with associated intercarpal ligament injuries [5]. Multiple trauma, such as bilateral distal radius fractures or the need to use crutches for a leg injury, is a relative indication for surgical treatment [5]. Most open fractures and volar shearing fractures are best treated operatively [5]. In general, surgery is indicated for unstable fractures [67]. Instability may be defined as a fracture criterion predictive of instability (ie, Lafontaine criteria), inadequate initial closed reduction, or loss of reduction during follow-up [67]. Other indications for surgery include open fractures, those with certain associated injuries, and high-energy injuries in young patients [67]. The Lafontaine criteria for fracture stability state that the presence of three or more of the following factors before reduction are predictive of secondary displacement after closed reduction: (1) dorsal comminution, (2) dorsal angulation >20°, (3) ulnar styloid fracture, (4) intra-articular extension, and (5) age older than 60 years [67]. Recent studies have corroborated the predictive value of both dorsal comminution and older age for the risk of redisplacement [67]. AAOS clinical practice guidelines recommended surgery for postreduction radial shortening >3 mm, dorsal tilt >10°, or intra-articular displacement or step-off >2 mm [67]. These recommendations were supported by moderate-strength evidence [67]. Intra-articular displacement (or diastasis) greater than 2 mm is an indication for surgery for radial styloid fractures [5]. Only frank dislocation with forearm rotation merits surgery to stabilize the distal radioulnar joint [5]. The presence of a displaced fracture at the base of the ulnar styloid is not in itself an indication for surgical fixation [5]. Clinical stability of the DRUJ must be elucidated and compared with the normal contralateral side when possible [5]. The surgeon should determine need for treatment of ulnar styloid fractures on the basis of instability of the DRUJ after distal radius fixation [79]. Ulnar styloid fracture or its non-union does not affect the outcome of an adequately fixed distal end radius fracture [219]. In patients 65 years and older, distal ulna fractures can be successfully managed nonoperatively when they occur in combination with distal radius fractures [57]. Conservative and operative treatments provided similar long-term outcomes for acute DRUJ instability with distal radius fracture [35].

Surgical Approach / Technique: The indication for using the intramedullary nail should continue to be limited to extra-articular and simple intra-articular distal radius fractures until additional data can be obtained [46]. Intramedullary fixation is indicated for primarily displaced extra-articular or simple intra-articular distal radius fractures, requiring proper fracture selection, good reduction, and protection of the superficial radial sensory nerve to avoid complications [77]. Nonbridging external fixation is indicated for the management of displaced or nondisplaced distal radius fractures with a minimal to moderate degree of comminution [199]. Additional indications for cementoplasty may be other types of distal radius fractures with articular surface depression [63].

Other Considerations: For the young patient, restoration of bony anatomy should be the priority of treatment [56]. For the elderly patient, restoring height, tilt, and inclination is not necessary or sufficient to achieve pain relief and good function [56]. Age of 65 is used as a proxy for functional activity and can serve as a threshold under which patients are likely to benefit from surgical fixation and over which patients are less likely to benefit from surgical fixation when compared with nonsurgical treatment [150]. Strong evidence suggests no difference observed in clinical or radiographic outcomes by fixation technique used after 3 months, so fixation technique should be driven by fracture pattern [150]. Supervised therapy and arthroscopic assistance should be used sparingly and on a case-by-case basis for distal radius fractures [150]. Routine radiographs should be used on a case-by-case basis for distal radius fractures [150]. The value of shared decision making is increasingly relevant to distal radius fracture treatment [238]. The success of surgery depends on the surgeon, not on the implant [238]. Patient outcome does not rest solely on the reassembly of fracture fragments, but more importantly on the maintenance of a mobile and sensate hand [238]. In a prospective cohort of 129 patients older than 55 years, ulnar positivity >2 mm was associated with worse patient-reported outcomes at 1 year regardless of treatment type [67]. Shortening of >5 mm weakens the wrist and substantially limits rotation in elderly patients with distal radius fractures [67]. Patients must be aware of the expected cosmetic deformity associated with malunion in elderly patients [67]. The treating surgeon must personalize the care of each patient and not rely on any specific measurements in offering treatment options for elderly patients [67]. A low-energy distal radius fracture in an older patient is a risk factor for future fragility fractures [56]. Screening for osteoporosis and coordinating proper follow-up for appropriate treatment has been shown to prevent additional fractures [56]. Patients receiving bisphosphonates at the time of distal radius fracture had clinical outcomes similar to those not receiving antiresorptive treatment [33]. Increasing BMI does not change clinical practice regarding failure of nonoperative treatment but leads to more complex distal radius fractures [218]. Self-efficacy corresponds to wrist function after combined plating of distal radius fractures [73]. BFR therapy is safe and well tolerated after operatively treated distal radius fractures [121]. Most patients with nonsurgical distal radius fractures did not receive opioids [198]. Short-term serious adverse events (SAEs) were rare after non-surgical treatment for distal radius fracture [18]. Adverse events are incompletely reported among RCTs cited as supporting evidence for American Academy of Orthopaedic Surgeons clinical practice guidelines for the management of distal radius fractures [7]. A unified system to measure the critical facets of recovery after distal radius fracture injury would improve the ability to compare treatments and predict objective and subjective outcomes [17]. The subjective outcome after a distal radius fracture improves over time for patients with an inferior result at 1 year, but more than half of the patients continue to have major disability [22]. A number of patients with nonsurgically treated distal radius fractures still experience some hand/wrist impairment a decade after the trauma [11]. In one study, malunion was found to be associated with higher arm-related disability regardless of age [6]. Not all distal radial malunions are symptomatic, especially malunions in elderly patients with low functional demands, in which case no further treatment is indicated [6]. Posttraumatic wrist deformities in younger, active patients may be sufficiently disabling to warrant surgical correction [6].

Complications

General Complication Rates and Reporting: Reported frequencies of complications in the treatment of distal radius fractures range from 6% to 80% [37]. Comparative observational studies indicate that complication frequencies did not differ among different distal radius fracture treatment modalities, though observed frequencies were less robust against potential unmeasured confounders [76]. Short-term serious adverse events were rare after non-surgical treatment for distal radius fracture [18]. Specific patient populations face elevated risks: patients with remote injuries have a 6-fold increased risk of complications after distal radius fracture treatment [169], elderly patients who underwent surgery had higher complication rates than those treated nonsurgically [173], and patients with HIV are more likely to experience adverse events following both closed and open management of distal radius fractures [230].

Nerve Injury: Carpal tunnel syndrome is one of the most common complications of distal radius fractures and can be acute, subacute, or delayed as much as 25 years [37]. Acute carpal tunnel syndrome in the setting of distal radius fractures is characterized by progressive pain and neurologic symptoms in the median nerve distribution and necessitates urgent surgical release [37]. In contrast, median nerve contusion is not progressive and improves over time [37]. Ulnar nerve injury is much less common than median nerve injury and is most often a neuropraxia that resolves spontaneously [37]. Exploration of the ulnar nerve may be warranted in the setting of open injuries or complete ulnar palsy [37].

Tendon Injury: The most common tendon to rupture following application of a volar plate is the flexor pollicis longus, due to volar extension of the plate beyond the watershed line [5]. Dorsal tendons such as the extensor pollicis longus and extensor digitorum communis can fray and rupture from prominent screw tips following volar insertion [5]. Potential pitfalls of volar locking plate application include intra-articular screw placement and prominent implant placement which may lead to tendon rupture [5].

Malunion: Malunion remains a common cause of residual disability after distal radial fractures [6] and occurs commonly in distal radius fractures, particularly in elderly patients managed nonoperatively [38]. Malunion can be caused by failure to achieve or maintain an accurate reduction or by inadequate duration or type of immobilization [6]. Reduction is most difficult to obtain and maintain in fractures with marked comminution, severe osteoporosis, or disruption of the distal radioulnar ligaments [6]. Older patients had more malunions than younger patients, with a mean age of 60 years for those with malunions versus 51 years for those without [6]. A distal radius malunion is defined by radial inclination <10 degrees, volar tilt >20 degrees or dorsal tilt >20 degrees, radial height <10 mm, ulnar variance >2+ mm, or intra-articular incongruity or diastasis >2 mm [38]. Malunions of the distal radius may be associated with extraarticular deformities, intraarticular malalignment, distal radioulnar joint incongruity or instability, or a combination of these features [6]. Fractures with more than 25 or 30 degrees of angulation in the frontal or sagittal plane or 6 mm or more of radial shortening were likely to become symptomatic [6]. Significant articular incongruity and radial shortening are more consistently correlated with the development of symptoms than other measurements [6]. Significant changes to distal radioulnar joint mechanics and ligament lengthening occur with malunion of the distal radius [6]. Twenty to 30 degrees of dorsal tilt altered the force distribution across the radiocarpal joint and should be considered a prearthritic condition [6]. Not all distal radial malunions are symptomatic, especially in elderly patients with low functional demands [6]. Malunion can result in decreased grip strength, limitations in range of motion, pain, and cosmetic deformity [38]. Surgical procedures designed to correct malunions of the distal radius rarely result in a normal wrist [38]. Following corrective osteotomy for malunion, range of motion and grip strength rarely exceed 70% of the contralateral limb [38].

Other Considerations: Recovery after a distal radius fracture is an ongoing process that lasts years [30]. Distal radius fractures involving the intermediate column had an adverse effect on forearm rotation [81]. Subacute distal radio-ulnar joint subluxation after a distal radius fracture may occur early, typically under 2 weeks after the original injury, and is easily overlooked [82].

Recovery

Light activity (weeks): The evidence does not specify a distinct week-range for light activity such as desk work or driving. However, subacute distal radioulnar joint (DRUJ) subluxation may occur early, typically under 2 weeks after the original injury [82].

Full activity (months): Clinically important differences in grip strength between the injured and uninjured hands persist at 3 and 6 months' follow-up [194]. Fracture severity and high-energy trauma are associated with decreased functional outcomes up to 6 months after surgery [159].

Complete recovery / outcome plateau (months): Severe symptoms subside within the first two months [268]. By six months, the majority of patients have minimal pain and disability [268]. Delayed functional recovery can persist up to 12 months after surgery, particularly in patients with increased age and decreased bone mineral density [159].

Rehabilitation protocol: The provided evidence does not detail specific rehabilitation protocols, immobilisation durations, or weight-bearing progressions.

Functional milestones: Recovery follows three distinct trajectories: rapid-recovery (69%), slow-recovery (23%), and non-recovery (8%) [267]. Subjective outcomes improve over time for patients with an inferior result at 1 year [22]. However, more than half of these patients continue to have major disability at intermediate-term follow-up [22].

Other Considerations: Depression affects recovery trajectories [267]. An associated ulnar styloid fracture results in slower recovery of grip strength and wrist flexion, though no long-term differences in measured impairments are observed between patients with and without this fracture [147]. Conservative treatment produces an increase in upper limb disability after 1 year of follow-up [139]. Operative treatment leads more often to longer time lost from work than conservative treatment [252]. Malunion negatively impacts a wide range of daily activities [172]. In skeletally immature patients, fractures with displacement up to 25 to 30 degrees can remodel spontaneously [85]. The associations between prognostic factors and persistent pain remain unclear [21].

Key Evidence

• [L3] Some outcomes after distal radius fracture differ between age and fracture type groups. [1] (10.1016/j.jht.2022.11.002)
• [L5] Controversies span the entire spectrum of management of distal radius fractures, including assessment, diagnosis, treatment, and evaluation of outcomes. [2] (10.5435/jaaos-22-09-566)
• [L5] The Appropriate Use Criteria were developed to help determine the appropriateness of diagnostic decisions and treatment for distal radius fractures using evidence-based information and clinical expertise. [3] (10.5435/jaaos-d-22-00139)
• [L4] This evidence-based review incorporates current and available literature regarding distal radius fractures, highlighting that treatment decisions are largely based on clinician experience due to a lack of prospective level I or II studies. [4] (10.1016/j.ocl.2017.12.001)
• [L4] Adverse events are incompletely reported among RCTs cited as supporting evidence for American Academy of Orthopaedic Surgeons clinical practice guidelines for the management of distal radius fractures. [7] (10.1016/j.jhsa.2023.03.008)
• [L4] A number of patients with nonsurgically treated distal radius fractures still experience some hand/wrist impairment a decade after the trauma. [11] (10.1016/j.jhsa.2007.08.019)
• [L4] [13] (10.1111/os.12045)
• [L4] Despite the frequency of distal radius fractures, the optimal treatment remains without consensus opinion, with well-controlled patient trials still missing to lend objective findings to management algorithms. [16] (10.1016/j.jhsa.2012.06.001)
• [L5] A unified system to measure the critical facets of recovery after distal radius fracture injury would improve the ability to compare treatments and predict objective and subjective outcomes. [17] (10.1016/j.jhsa.2016.02.001)
• [L3] Short-term serious adverse events (SAEs) were rare after non-surgical treatment for distal radius fracture (DRF). [18] (10.1186/s12891-026-10037-2)
• [L5] Treatment of distal radius fracture continues to progress, with diagnostic and therapeutic innovations and assessment of results in terms of function and complications, in a perspective of personalized medicine: the right treatment for each patient. [20] (10.1016/j.otsr.2019.02.007)
• [L1] The associations between prognostic factors and persistent pain following a distal radius fracture are unclear. [21] (10.1177/17589983221124973)
• [L2] The subjective outcome after a distal radius fracture improves over time for patients with an inferior result at 1 year, but more than half of the patients continue to have major disability. [22] (10.1016/j.jhsa.2018.10.015)
• [L3] Men over the age of 65 with a distal radius fracture are more likely to have post-fracture disability regardless of radiographic appearance. [23] (10.1186/s12891-020-03843-9)
• [L4] Distal radius fractures among men occur at a slightly younger average age than among women, with similar mechanisms of injury and comorbidities, yet fewer men are evaluated with a DXA scan or treated for bone mineral density abnormalities. [27] (10.1016/j.jhsa.2013.08.009)
• [L1] The guideline contains seven recommendations to assist orthopaedic surgeons and all qualified physicians managing patients with acute distal radius fractures based on the best current available evidence. [28] (10.5435/jaaos-d-21-00719)
• [L2] Recovery after a distal radius fracture is an ongoing process that lasts years. [30] (10.1177/17531934231194682)
• [L2] Patients receiving bisphosphonates at the time of distal radius fracture had clinical outcomes similar to those not receiving antiresorptive treatment. [33] (10.1016/j.jhsa.2017.09.006)
• [L1] The conservative and operative treatments provided similar long-term outcomes for acute DRUJ instability with distal radius fracture. [35] (10.1097/sap.0000000000000663)
• [L5] The clinical superiority of a particular treatment modality for distal radius fractures remains without consensus, and the choice of a particular implant system should be based on the surgeon's familiarity with the implant design and its limitations. [36] (10.1016/j.jhsa.2016.05.015)
• [L5] The diagnosis of CRPS after distal radius fractures remains largely clinical due to poor sensitivity of imaging and lack of laboratory studies. [39] (10.1016/j.hcl.2021.02.013)
• [L4] Existing classification systems for adult distal radius fractures are not useful clinical knowledge but mainly historical and/or research tools due to poor reproducibility, excessive complexity, and weak correlation with functional outcomes. [43] (10.5435/jaaos-d-24-01212)
• [L4] The indication for using the intramedullary nail should continue to be limited to extra-articular and simple intra-articular distal radius fractures until additional data can be obtained. [46] (10.1016/j.jhsa.2008.07.004)
• [L4] Substantial variability in how radiographic measurements are defined in large clinical studies suggest a need for consensus on the assessment and interpretations of radiographic measures used in patients following a distal radius fracture. [49] (10.1007/s11552-015-9772-9)
• [L2] In only half of the studies involving patients with an unstable distal radius fracture did the authors define what they considered an unstable distal radius fracture. [50] (10.1055/s-0035-1556860)
• [L4] This classification system provides reliable and reproducible classification of extraarticular DRFs with meaningful inter- and intraobserver reliability across all fracture types. [51] (10.1016/j.jhsa.2026.02.009)
• [L3] These findings emphasize the importance of prompt surgical intervention for distal radial fractures to achieve optimal radiographic results. [52] (10.1177/17531934251379171)
• [L5] Soft-tissue injuries are common concomitants of distal radius fractures and may influence acute management strategies or cause persistent pain and disability despite fracture healing. [53] (10.1016/j.hcl.2012.03.005)
• [L5] Nonoperative treatment remains the most common form of treatment for distal radius fractures, though significant functional deficiencies are correlated with poor reductions. [54] (10.1016/j.hcl.2009.08.012)
• [L5] Persistent neurological deficits after distal radius fractures should prompt early investigation and consideration for structural nerve injury. [55] (10.1016/j.jhsg.2026.101074)
• [L2] In this population distal ulna fractures can be successfully managed nonoperatively when they occur in combination with distal radius fractures. [57] (10.1016/j.jhsa.2012.07.031)
• [L5] There are few comparative trials to compare outcome measures when discussing distal radius fracture management, and there is no universally accepted gold standard to evaluate recovery. [58] (10.1016/j.hcl.2012.03.003)
• [L3] Distal radius fracture patients with osteoporosis did not sustain more complex fractures than those with osteopenia/normal BMD according to the AO classification system. [59] (10.1186/s12891-020-03842-w)
• [L2] There is no clear evidence of the clinical superiority of distal radius fracture surgery among older adults at one year, although surgical treatment may yield a faster recovery to previous level of activity. [61] (10.1302/2058-5241.5.190060)
• [Paper] The best method of treatment for distal radius fractures has yet to be found, as there is a multitude of treatment options available with varying degrees of evidence to support their use. [62] (10.1016/j.injury.2015.09.030)
• [L5] Additional indications may be other types of distal radius fractures with articular surface depression. [63] (10.1016/j.otsr.2017.08.010)
• [L5] The anthology summarizes current trends regarding fracture classification, treatment indications, surgical techniques, and complications to assist treating surgeons in decision-making, though no unanimous consensus or evidence-based routine treatments currently exist for distal radius fractures. [64] (10.1007/s00402-020-03366-x)
• [L3] Agreement with AAOS Appropriate Use Criteria increased for operatively treated distal radius fractures after adoption but not for nonoperatively treated fractures. [68] (10.1177/1558944720975147)
• [L4] Non-operative treatment of displaced distal radius fractures after adequate closed reduction confirmed on radiograph leads to acceptable functional outcomes after 12 months, however, at the expense of 40% subsequent surgeries. [69] (10.1016/j.otsr.2017.01.017)
• [L1] The Appropriate Use Criteria for Treatment of Distal Radius Fractures developed appropriateness treatment ratings for 216 patient scenarios to guide qualified physicians through treatment decisions and improve the quality and efficiency of care. [70] (10.5435/00124635-201003000-00007)
• [L4] Optimal treatment for distal radius fractures remains controversial and requires individualized selection based on fracture pattern, injury mechanism, soft-tissue injury, patient characteristics, and surgeon preference. [71] (10.5435/jaaos-d-20-01335)
• [L3] Self-efficacy corresponds to wrist function after combined plating of distal radius fractures. [73] (10.1016/j.jht.2020.01.001)
• [L2] Complication frequencies did not differ among different distal radius fracture treatment modalities, but the observed complication frequencies from most comparative observational studies were less robust against potential unmeasured confounders. [76] (10.1097/corr.0000000000002528)
• [L5] Intramedullary fixation is indicated for primarily displaced extra-articular or simple intra-articular distal radius fractures, requiring proper fracture selection, good reduction, and protection of the superficial radial sensory nerve to avoid complications. [77] (10.1016/j.jhsa.2008.11.019)
• [L4] Despite growing evidence for less invasive treatment options in elderly patients, operative treatment of distal radius fracture is still rather popular today. [78] (10.1186/s12891-018-1983-0)
• [L3] [81] (10.1186/s13018-019-1155-4)
• [L4] Subacute DRUJ subluxation after a distal radius fracture may occur early, typically under 2 weeks after the original injury and is easily overlooked. [82] (10.1177/17531934241308137)
• [L4] Distal radius fractures with displacement up to 25 to 30 degrees can remodel spontaneously in skeletally immature patients, making surgical treatment seldom indicated. [85] (10.1055/s-0036-1597089)
• [L4] This study developed an ML model that accurately predicts 6-week radiographic outcomes in nonsurgically treated distal radius fractures. [87] (10.5435/jaaos-d-25-01150)
• [L3] [88] (10.1177/1753193415624669)
• [Paper] Although it is common practice to routinely take radiographs during follow-up for distal radius fractures, the current results suggest that these radiographs seldom influence clinical decision making. [89] (10.1007/s00402-017-2743-6)
• [L3] Patients with distal radius fractures exhibit altered scapular kinematics, which may further contribute to the development of secondary musculoskeletal pathologies. [90] (10.1016/j.clinbiomech.2014.12.015)
• [L3] Alterations in contact biomechanics could be one reason for the higher incidence of posttraumatic osteoarthritis when a deeper central impaction of the distal radius is present. [91] (10.1007/s00402-013-1787-5)
• [L5] Contemporary classification systems for distal radius fractures have not achieved impressive interobserver agreement and should not be overly relied upon in dictating treatment plans. [95] (10.1016/j.hcl.2007.03.003)
• [Paper] If early carpal tunnel syndrome findings are noted during distal radius fracture management, all potential causes should be evaluated, including prominent volar cortical fragments causing direct prominently placed hardware. [99] (10.1016/j.ocl.2012.07.021)
• [L4] This study redefines a new method for the classification of intra-articular fractures of the distal radius, which allows doctors to have a clearer understanding of the characteristics of distal radius fractures. [101] (10.1007/s11547-019-01025-9)
• [L2] [105] (10.1016/j.jhsa.2016.07.041)
• [L4] [111] (10.1177/1753193416682682)
• [L1] BFR therapy is safe and well tolerated after operatively treated distal radius fractures. [121] (10.1055/s-0040-1712504)
• [L2] Distal radius fractures associated with base ulnar styloid fractures resulted in higher patient-reported pain and disability compared to isolated distal radius fractures in adults under 65 years old. [133] (10.1016/s0363-5023(10)60108-6)
• [L5] The DREAD classification organizes and describes articular fragment escape patterns following distal radius fracture fixation to raise awareness and facilitate decision-making. [134] (10.1016/j.jhsa.2024.07.018)
• [L1] Nonsurgical treatment for the distal radius fractures should be considered firstly. [135] (10.1007/s00402-020-03487-3)
• [L4] Magnetic resonance imaging using advanced multiparametric sequences may facilitate accurate, noninvasive assessment of articular cartilage changes after distal radius fracture without the need for a contrast agent. [138] (10.1016/j.jhsa.2020.02.009)
• [L3] Conservative treatment of distal radius fractures produced an increase in upper limb disability after 1 year of follow-up. [139] (10.1177/1558944717708025)
• [L5] Dorsal angulation deformities of the distal radius affect the 3-dimensional kinematics of the DRUJ, especially with the TFCC sectioned. [143] (10.1016/j.jhsa.2014.01.013)
• [L2] No long-term differences in measured impairments were observed, but the presence of an associated ulnar styloid fracture resulted in a slower recovery of grip strength and wrist flexion. [147] (10.1016/j.jhsa.2014.05.032)
• [L5] Injury to the dorsal wrist extrinsic carpal ligaments exacerbates volar radiocarpal instability. [148] (10.1177/1558944719851210)
• [L5] [150] (10.5435/jaaos-d-21-01194)
• [L1] A network meta-analysis of randomized trials revealed that open reduction and internal fixation with a plate offers the best results for adult patients with a distal radius fracture, in terms of early and sustained functional recovery and a reduction in fracture healing complications. [156] (10.5435/jaaos-d-18-00424)
• [L2] An increase in age and a decrease in BMD were important risk factors influencing delayed functional recovery up to 12 months after distal radius fracture surgery, whereas fracture severity and high-energy trauma were associated with decreased functional outcomes up to 6 months after surgery. [159] (10.1016/j.jhsa.2014.04.033)
• [L4] The relative movement of the lunate with respect to the distal radial articular surface, when defined as an effective radio lunate flexion of more than 25°, was also associated with poor functional results. [163] (10.1016/s0020-1383(01)00174-7)
• [L5] [164] (10.1016/j.jhsa.2015.01.001)
• [L1] Most elderly patients with displaced distal radius fractures can be treated nonoperatively. [165] (10.1302/0301-620x.103b2.bjj-2020-2562)
• [L5] Casting a distal radius fracture decreases the forces and pressures in the radiocarpal joint. [166] (10.1016/j.jhsa.2021.06.007)
• [L3] Patients with remote injuries have a 6-fold increased risk of complications after distal radius fracture treatment. [169] (10.1177/1558944718798838)
• [L4] [171] (10.1016/j.injury.2010.09.016)
• [L4] The malunion of a distal radius fracture has a negative impact on a wide range of daily activities, as well as other aspects of daily life. [172] (10.1080/09638288.2018.1561954)
• [L3] Elderly patients with distal radius fractures who underwent surgery had higher complication rates than those treated nonsurgically. [173] (10.1016/j.jhsa.2014.04.018)
• [L3] There are tradeoffs in outcomes after treating patients older than 60 years with closed extraarticular distal radius fractures with casting or surgery. [177] (10.1097/corr.0000000000001865)
• [L5] Decreased radial inclination significantly increases distal radioulnar joint stiffness when the ligament is intact or partially divided. [178] (10.1177/1753193418761266)
• [L4] [179] (10.1007/s00068-018-1023-7)
• [L4] The lengths of some ligaments are substantially altered even by mild dorsal angulation of the distal radius, while the lengths of most other ligaments are not substantially affected. [180] (10.1177/1753193413517070)
• [Paper] [183] (10.1016/j.hcl.2021.02.003)
• [L5] The distal radioulnar joint stiffness in dorsal translation decreased significantly with dorsal tilt of 10° and 20° in pronation. [184] (10.1177/1753193412473036)
• [L2] Intersurgeon reliability for evaluating the characteristics of and classifying intraarticular distal radius fractures did not improve with an additional 3-D model. [188] (10.1097/corr.0000000000001356)
• [L1] There is no single best option for the treatment of distal radius fractures in older adults across all domains. [189] (10.5435/jaaos-d-25-01160)
• [L2] There were clinically important differences in grip strength between the injured and uninjured hands in patients with a distal radius fracture at 3 and 6 months' follow-up. [194] (10.1177/1758998317731436)
• [L2] Most patients with nonsurgical distal radius fractures did not receive opioids. [198] (10.1016/j.jhsg.2025.100759)
• [L5] Nonbridging external fixation is indicated for the management of displaced or nondisplaced distal radius fractures with a minimal to moderate degree of comminution, offering advantages in versatility and reduced effects on pericarpal soft tissues compared to bridging fixation. [199] (10.1016/j.hcl.2010.04.006)
• [L3] A new intra-articular distal radius fractures classification was proposed based on the affection condition of volar or dorsal side. [200] (10.1186/s12891-024-08215-1)
• [L4] Limited pronation and supination result from the effect of radius deformity on overstretching dorsal and palmar ligaments. [202] (10.1016/j.jhsa.2015.06.032)
• [L3] Additionally, ulnar styloid intersection with the distal ulnar shaft axis is associated with even lower radial inclination. [203] (10.1302/0301-620x.105b6.bjj-2022-1111.r2)
• [L1] Mobilisation 10 days after reduction cannot be recommended for the routine treatment of reduced distal radius fractures. [204] (10.1186/s13018-016-0478-7)
• [L4] [207] (10.1177/1753193408101667)
• [L3] Nondisplaced distal radius fractures appear to be inherently stable, and it may be appropriate to treat this subset of distal radius fractures with only an initial radiograph at injury and another at six weeks when the cast is removed. [210] (10.1016/s0363-5023(10)60105-0)
• [L5] No single classification system is adequate; instead, various systems categorize injuries to guide treatment based on expected outcome, fracture displacement, stability, and associated injuries. [212] (10.1016/j.ocl.2007.01.002)
• [L3] [217] (10.1055/s-0036-1587316)
• [L3] Increasing BMI does not change clinical practice regarding failure of nonoperative treatment but leads to more complex distal radius fractures. [218] (10.1177/1558944717750915)
• [Paper] Ulnar styloid fracture or its non-union does not affect the outcome of an adequately fixed distal end radius fracture. [219] (10.1007/s12593-014-0133-7)
• [L4] The classification tested in this study is reliable and reproducible when applied by raters experienced in fracture management. [220] (10.1186/1471-2474-13-6)
• [L2] Patients with HIV are at increased risk for fracture, and they are more likely to experience adverse events following both closed and open management of distal radius fractures. [230] (10.1016/j.jhsa.2024.12.017)
• [L3] Although CT assessments are objective, CT scans primarily show alterations of DRUJ alignment and have several risks of bias in patients with a prior distal radius fracture. [242] (10.1016/j.jhsa.2008.05.017)
• [L1] An unacceptable radiological reduction is significantly associated with worse patient-reported outcomes in adults with a displaced distal radius fracture. [245] (10.1016/j.jhsa.2018.05.003)
• [L4] Providing computed radiographic parameters to orthopedic surgeons may improve the consistency of the radiographic judgment and influence their clinical decision for the treatment of distal radius fractures. [246] (10.1016/j.jhsa.2022.09.015)
• [L2] The excellent correlation of postreduction ultrasound findings with radiographic findings allows us to recommend that this procedure should be considered for real-time monitoring of the closed reduction of distal radius fractures. [247] (10.1016/j.jhsa.2014.02.031)
• [L4] The articular portions of dorsal rim fragments are smaller than indicated by CT, and displaced dorsal rim fragments in dorsally displaced distal radius fractures treated by VLP do not adversely affect wrist clinical outcomes. [248] (10.1055/s-0035-1571184)
• [L2] A radiographic finding of a normalized DRUJ gap on posteroanterior views was the most important predictor to identify DRUJ instability accompanying unstable distal radius fractures. [249] (10.1016/j.jhsa.2011.09.004)
• [L5] Most fracture fragments and characteristics can be assessed on plain radiographs, but particular attention should be paid to the volar ulnar rim fragment, while the dorsal ulnar corner and intra-articular free fragment typically require computed tomographic scan for accurate evaluation. [250] (10.1016/j.hcl.2021.02.002)
• [L4] Ultrasound examination after volar plate fixation of comminuted distal radius fractures may detect dorsal screw tip prominence when screw lengths are selected to engage the dorsal cortex. [251] (10.1055/s-0035-1569485)
• [L3] Operative treatment of distal radius fracture led more often to longer time lost from work than conservative treatment. [252] (10.1186/s12891-023-06963-0)
• [L4] For distal radius fractures that were initially nondisplaced or minimally displaced, the overall rate of unacceptable radiographic displacement at 6 weeks was 30%. [253] (10.1016/j.jhsa.2021.08.006)
• [L4] Injuries to the scapholunate and lunotriquetral interosseous ligaments occur in approximately one third of distal radius fractures, but their diagnosis is challenging as plain radiographs are not reliably diagnostic. [254] (10.5435/jaaos-d-18-00503)
• [L5] The results suggest that 3D fluoroscopy can facilitate the detection of intra-articular incongruities in distal radius fractures and may prompt intra-operative revisions. [255] (10.1186/s13018-025-06284-z)
• [L3] Adequate radiographic reduction is not associated necessarily with better patient-reported functional outcomes or greater satisfaction in elderly patients with conservatively treated distal radius fractures. [259] (10.1016/j.jhsa.2004.07.002)
• [L3] Low BMD may have a greater impact on distal radius fracture in women younger than 60 years of age or over 70 years of age. [261] (10.1016/j.jhsa.2010.06.002)
• [L3] Intraoperative three-dimensional imaging can provide additional information compared to conventional two-dimensional fluoroscopy in the operative treatment of distal radius fractures with the possibility of immediate intraoperative revision. [263] (10.1007/s00402-018-2867-3)
• [L5] The addition of a handheld distal radius fracture model did not make a difference in fellowship-trained surgeons' recognition of or confidence in the injured anatomy when compared with 2-D or 3-D CT images and radiographs. [264] (10.1097/corr.0000000000001404)
• [L3] Clinical assessment alone of distal radioulnar joint instability following a distal radius fracture appears not to be reliable. [265] (10.1177/17531934211016668)
• [L5] [266] (10.1097/01.blo.0000205898.21233.f5)
• [L2] Recovery from distal radius fracture was best described using three different trajectories: rapid-recovery (69%), slow-recovery (23%), and non-recovery (8%). [267] (10.1016/j.msksp.2019.07.012)
• [L2] The normal course of recovery following a distal radius fracture is one where severe symptoms subside within the first two-months and the majority of patients can be expected to have minimal pain and disability by six-months following fracture. [268] (10.1186/1471-2474-4-24)

See Also

• Carpal Tunnel and Nerve Compression

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