Arthroscopic Resection Arthroplasty for Malunited Intra-Articular Distal Radius Fractures

被引:8
|
作者
del Pinal, Francisco
Klausmeyer, Melissa
Thams, Carlos
Moraleda, Eduardo
Galindo, Carlos
机构
[1] Inst Cirugia Plast & Mano, Santander, Spain
[2] Hosp Mutua Montanesa, Santander, Spain
来源
关键词
Arthroscopy; distal radius malunion; wrist osteoarthritis; wrist pain;
D O I
10.1016/j.jhsa.2012.08.039
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 Cartilage damage of the carpals is a contraindication for corrective osteotomy of the malunited intra-articular distal radius fracture and typically is treated in the symptomatic patient with a salvage procedure. Here, we present our experience and early results with arthroscopic resection arthroplasty of the radiocarpal joint. Methods We treated 10 patients (age, 17-68 y; average, 53 y) who had intra-articular malunion of the distal radius with mirror erosion on the carpals. The original fracture occurred 4 to 36 months (average, 9 mo) before our intervention. We performed arthroscopic arthrolysis and resected the offending portion of the radial malunited fragment, eliminating the stepoff and creating a smoother joint surface. Range of motion was started immediately after the operation, except in 2 patients. Results The locations of the malunions were evenly distributed between the scaphoid fossa, the lunate fossa, or both. Stepoffs varied from 2 to 6 mm. We resected up to 60% of the entire radial articular surface to obtain a smooth surface (average, 28%; range, 20% to 60%). All patients reported immediate relief of pain and improvement in motion (particularly extension). At the latest follow-up (average, 28 mo; range, 13-42 mo), average extension improved from 24 degrees to 54 degrees, average grip strength improved from 47% to 89% of the contralateral wrist, average Disabilities of the Arm, Shoulder, and Hand score improved from 74 to 18, and average Patient-Rated Wrist Hand Evaluation score improved from 79 to 15. Conclusions The aim of the operation was to relieve patients' pain by providing a smooth, although fibrocartilaginous, surface for the carpus to glide on the radius. The follow-up was short and the results may be short-lived. However, for the younger patient, it may provide a temporary alternative to partial wrist arthrodesis with minimal morbidity, and for the less demanding patients, it may be a definitive procedure. Copyright (C) 2012 by the American Society for Surgery of the Hand. All rights reserved.
引用
收藏
页码:2447 / 2455
页数:9
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