Treatment of unstable dorsal proximal interphalangeal fracture/dislocations using a hemi-hamate autograft

被引:137
作者
Williams, RMM
Kiefhaber, TR
Sommerkamp, TG
Stern, PJ
机构
[1] Univ Cincinnati, Coll Med, Cincinnati Hand Surg Specialists, Cincinnati, OH 45267 USA
[2] Univ Cincinnati, Coll Med, Dept Orthopaed Surg, Cincinnati, OH 45267 USA
来源
JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 2003年 / 28A卷 / 05期
关键词
fracture; dislocation; phalanx; PIP joint; autograft;
D O I
10.1016/S0363-5023(03)00304-6
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Purpose: This retrospective study was designed to evaluate the clinical and radiographic results of a hemi-hamate autograft for the treatment of comminuted dorsal proximal interphalangeal (PIP) joint fracture/dislocations. Methods: Thirteen consecutive patients underwent hemi-hamate autograft for the treatment of an unstable dorsal PIP fracture dislocation. The fractured middle phalangeal base was debrided and the defect was replaced using a size-matched portion of the dorsal/distal hamate osteoarticular surface and was secured with miniscrews. The average middle phalangeal volar lip involvement on initial radiographs was 60% (range, 40% to 80%). The average time to surgery was 45 days (range, 2-175 d). Range of motion, stability, and grip strength were measured at a mean follow-up evaluation of 16 months. Radiographs were evaluated for union, graft incorporation, and/or collapse. Subjective data, satisfaction, and return to work were obtained on 12 of the 13 patients at a mean follow-up evaluation of 17 months. Results: The average arc of motion at the PIP joint was 85degrees (range, 65degrees to 100degrees). The distal interphalangeal (DIP) joint average arc of motion was 60degrees (range, 35degrees to 80degrees). Average grip strength was 80% of the uninjured side. Bony union was achieved in all patients. One graft showed ulnar collapse but graft resorption was not noted. Except for 2 patients with recurrent dorsal subluxation there were no complications. The average pain level was 1.3 (as rated on a visual analog scale of 0-10). Eleven of 12 patients were very satisfied with their function and one was somewhat satisfied; one patient was lost to follow-up. Conclusions: When greater than 50% of the volar base of the middle phalanx is fractured in a PIP fracture/dislocation or the joint remains unstable despite a lesser degree of involvement, a hemi-hamate autograft should be considered. This procedure reconstructs the cup-shaped contour of the middle phalangeal articular surface and facilitates a stable, functional arc of motion at the PIP joint. Additionally, in our experience the procedure renders minimal disability and has a low complication rate. Copyright (C) 2003 by the American Society for Surgery of the Hand.
引用
收藏
页码:856 / 865
页数:10
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