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拇指腕掌关节成形术

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Updated May 2026
一幅手绘插图,展示了一只手在拇指和手指之间轻松捏合。
Touch拇指关节成形术后的X线片:一个小型双活动度假体对腕掌关节(即基底关节病中磨损的关节)进行关节表面置换。 Kieran Hirpara 4.0

本页面由机器翻译,尚未经临床医生审核。英文版本为权威版本。

为何建议进行此手术

您的外科医生可能建议您进行拇指关节置换术,因为您拇指基底的磨损性关节炎经非手术治疗后改善不足。当日常活动变得疼痛且困难时,通常会提供此手术。其目标是移除受损的关节面,并用新的人工植入物替代,以恢复活动功能。

该手术旨在为您提供低疼痛水平、良好的活动度和高满意度。通过替换磨损的关节,您可以恢复拇指的力量和自然长度。您的外科医生可能会推荐这种特定术式,以确保新关节尽可能持久,同时帮助您恢复正常生活。

手术前

您需要在手术前禁食,并按照外科医生的指示停用某些药物。请安排他人送您回家,并携带一份当前所有用药的清单。您可能需要拍摄X光片、进行血液检查或接受麻醉评估,以确保您已做好手术准备。外科医生将在您的拇指上做一个切口以完成手术。在佩戴拇指夹板的四至六周内,您不得驾驶车辆。此夹板会妨碍您安全地握住方向盘。只有当夹板拆除且您的外科医生允许后,您才能重新驾驶。有关更多详细信息,请参阅上肢手术后驾驶

手术当天

您到达医院后,在进入手术室之前会先与麻醉师见面。本手术将在全身麻醉下进行,您在整个手术过程中将完全处于睡眠状态。部分患者可能还会接受区域神经阻滞以缓解术后疼痛;麻醉师会根据您的具体情况在手术当天决定是否需要。您的外科医生将在拇指上方做一个常规切口以完成手术。当您从麻醉中苏醒并进入恢复室时,您的手上会佩戴夹板。

佩戴拇指人字夹板期间,您不能驾驶车辆。该夹板会妨碍您安全地握住方向盘。您必须等待夹板拆除,并获得外科医生的许可后方可再次驾驶。有关更多详细信息,请参阅我们关于上肢手术后驾驶的指南。

手术过程

您的外科医生将在拇指根部做一个切口。这种开放入路可清晰显露关节。在关节内部,外科医生会切除导致您疼痛的磨损关节面。这些受损区域随后将由新的金属和塑料部件替代,以重建一个平滑活动的关节。

为了安置新部件,您的外科医生会仔细修整骨骼,并将新杯状部件压入就位。此步骤需极其谨慎,以避免骨折或新部件松动。一旦新关节固定稳妥,切口将用缝线闭合。在愈合期间,您很可能需要在拇指上佩戴夹板4至6周,以保护修复部位。

佩戴此夹板期间您不能驾驶,因为它会妨碍您安全地握住方向盘。只有当夹板拆除且您的外科医生允许后,您才可恢复驾驶。更多详情,请参阅上肢手术后驾驶

术后

您将在恢复室苏醒,疼痛会得到妥善控制。您的拇指将被敷料包裹并置于夹板中。您可以立即活动手指,但必须保持拇指静止。大多数患者术后需住院一晚,但部分患者可当天回家。术后24小时内需有人陪同。该夹板需佩戴4至6周。佩戴夹板期间请勿驾驶,因为您无法安全握持方向盘。待您的外科医生移除夹板并允许后,方可恢复驾驶。

恢复

在最初几天,您的拇指和手部会感到疼痛和肿胀。这是正常现象。您的外科医生会为您提供夹板或石膏以保护关节。您必须佩戴此装置,以确保拇指在愈合期间得到保护。佩戴夹板期间请勿驾驶,因为您无法安全地握住方向盘。只有当夹板拆除且您的外科医生允许后,您才能恢复驾驶。

起初,日常生活会有所不同。在大多数任务(如进食或书写)中,您将使用另一只手。您的物理治疗师会教您轻柔的练习,以保持手指活动。这些动作有助于减少僵硬并恢复力量。随着肿胀消退,您会注意到拇指感觉更加稳定。您将逐渐开始无痛地进行手部轻度活动。

您的恢复过程因人而异。有些人恢复较快,而有些人则需要更长时间。您的外科医生和物理治疗师将指导您完成每一步。他们会告知您何时可以安全地重返工作或参与体育运动。请信任这一过程,并在愈合过程中倾听身体的声音。

可能出现的问题

大多数患者恢复良好,但偶尔也会出现并发症。您的外科医生和医疗团队会密切监测您,以便尽早发现任何问题。

您可能会感到剧烈、搏动性的疼痛,且普通止痛药无法缓解。这可能意味着植入物位置不正确或正在松动。如果出现这种情况,请立即致电诊所。

有时,当您尝试使用手部时,关节会感觉不稳定或突然无力。您可能会感到突然的移位或听到咔哒声。如果发生这种情况,请立即告知您的外科医生,以便他们检查关节的稳定性。

在极少数情况下,关节内的塑料衬垫可能会断裂。这种断裂在标准 X 光片上可能无法看到,但您可能会感到拇指出现新的研磨感或卡顿感。请在下次复查时提出此问题,以便您的外科医生进一步调查。

如果植入物所在的骨骼在手术过程中发生骨折,您可能会感到剧烈疼痛或注意到不成比例的肿胀。这是一个严重的问题,需要您的外科团队仔细处理。

您的外科医生还会监测金属部件是否过度摩擦。这会导致磨损,并可能需要在日后进行再次手术。如果您的疼痛在好转一段时间后再次出现或发生变化,请告知他们。

本页的并发症表格列出了典型的发生率,如果您需要具体数据,请参阅该表格。

何时联系我们

如果您出现发热、红肿加重或伤口有分泌物,请立即联系我们。若突发剧烈疼痛、小腿肿胀或呼吸困难,请寻求紧急医疗救助。如果您感觉丧失或无法活动拇指,请立即与我们联系。限制拇指承受重负荷有助于延长新关节的使用寿命。您的外科医生会指导您在何时停止佩戴夹板后再驾驶车辆。


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