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The Effect of Debridement of Coexisting Partial Ligament Injuries on Outcomes Following Arthroscopic Osteosynthesis for Minimally Displaced Scaphoid Nonunions.

Authors
 Ho-Jung Kang  ;  Yong-Min Chun  ;  Won-Taek Oh  ;  Il-Hyun Koh  ;  Sang-Yun Lee  ;  Yun-Rak Choi 
Citation
 JOURNAL OF HAND SURGERY-AMERICAN VOLUME, Vol.41(6) : 135-142, 2016 
Journal Title
 JOURNAL OF HAND SURGERY-AMERICAN VOLUME 
ISSN
 0363-5023 
Issue Date
2016
Abstract
PURPOSE: Partial intercarpal ligament injuries can coexist with scaphoid nonunions. However, whether these injuries should be debrided simultaneously when scaphoid nonunions are treated is unclear. The purpose of this study was to compare union rates and clinical outcomes after arthroscopic management of scaphoid nonunions, in which coexisting partial ligament injuries were, or were not, simultaneously debrided. METHODS: This retrospective study included 46 patients with scaphoid nonunions and coexisting partial intercarpal ligament injuries who underwent arthroscopy-guided bone grafting and fixation (K-wires or headless screws) between March 2008 and May 2014 with a minimum follow-up of 1 year. None of the cases had necrosis of the proximal fragment (determined by contrast-enhanced magnetic resonance imaging), severe deformities, or advanced arthritis. The partial intercarpal ligament injuries were either simultaneously debrided (25 patients; group D) or not debrided (21 patients; group ND). Visual analog scale pain scores, grip strength, flexion-extension arc of the wrist, Mayo Wrist Scores, and Disabilities of Arm, Shoulder, and Hand scores were used to compare clinical outcomes between the 2 groups. RESULTS: The nonunions united in 93% (43 of 46) of the patients. There were no differences between the 2 groups with regard to patient demographics, preoperative outcome measures, location of scaphoid nonunion, and degree of ligament injury. The overall union rate was similar between group D (92%; 23 of 25) and group ND (95%; 20 of 21). At a median follow-up of 24 months for group D and group ND, the visual analog scale pain score, grip strength, Mayo Wrist Scores, and Disabilities of the Arm, Shoulder, and Hand scores were significantly improved in both groups, compared with preoperative scores. Flexion-extension arc showed no change in both groups compared with preoperative angles. All of the follow-up measurements were similar in the 2 groups. CONCLUSIONS: In patients who underwent arthroscopic bone grafting and fixation of scaphoid nonunions, simultaneous debridement of incidentally found partial intercarpal ligament injuries did not result in a better union rate or clinical outcomes than not debriding the partial ligament injuries.
DOI
10.1016/j.jhsa.2016.04.007
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Ho Jung(강호정) ORCID logo https://orcid.org/0000-0003-0273-1264
Koh, Il Hyun(고일현) ORCID logo https://orcid.org/0000-0001-9823-8516
Oh, Won Taek(오원택) ORCID logo https://orcid.org/0000-0003-1815-0851
Lee, Sang-Yun(이상윤)
Chun, Yong Min(천용민) ORCID logo https://orcid.org/0000-0002-8147-6136
Choi, Yun Rak(최윤락)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/153234
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