背景：滑雪者的拇指是拇指掌指关节尺侧副韧带的一种损伤，这可能导致骨骼破碎和关节不稳定。
目的：本研究的目的是比较传统的克氏针固定方法与U形克氏针固定方法治疗移位的小骨片，旋转,或者滑雪者骨折不稳定。
方法：对2019年1月至2021年12月天津医院收治的30例滑雪者拇指患者进行回顾性研究。将患者分为两组：A组接受传统的克氏针固定，B组接受U形克氏针固定。评估围手术期的功能评估和并发症。
结果：两种手术方法均可明显减轻术后疼痛，增加关节活动范围。与A组相比，B组在随访期间疼痛发生率较低，并且在Tip-pinch和Grip测试中显示出显着的功能改善。U形克氏针固定在围手术期明显减少了并发症。
结论：U形克氏针内固定治疗拇指近端指骨基尺侧撕脱骨折安全有效。
BACKGROUND: Skier\'s thumb is a type of injury to the ulnar collateral ligament of the metacarpophalangeal joint of the thumb, which can result in bone fragmentation and joint instability.
OBJECTIVE: The objective of this study was to compare the traditional Kirschner wire fixation method with the U-shaped Kirschner wire method for treating small bone fragments with displacement, rotation, or instability in skier\'s fractures.
METHODS: A retrospective study was conducted on 30 patients with skier\'s thumb who were treated at Tianjin Hospital from January 2019 to December 2021. Patients were divided into two groups: Group A received traditional Kirschner wire fixation, while Group B received U-shaped Kirschner wire fixation. Functional assessments and complications during the perioperative period were evaluated.
RESULTS: Both surgical methods significantly reduced postoperative pain and increased joint range of motion. Group B had a lower incidence of pain during follow-up and showed significant functional improvement in Tip-pinch and Grip tests compared to Group A. U-shaped Kirschner wire fixation significantly reduced complications during the perioperative period.
CONCLUSIONS: The U-shaped Kirschner wire internal fixation is a safe and effective treatment for the thumb proximal phalanx base ulnar side avulsion fracture.
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