Document Detail


Contact Pressures in Radiocarpal and Triquetrohamate Joints After Vascularized Capitate Transposition.
MedLine Citation:
PMID:  21540731     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The vascularized capitate transposition has been designed to treat advanced Kienböck disease, in which the necrotic lunate is excised and the vascularized capitate bone graft is proximally shifted into the lunate fossa to reconstruct the radiocarpal joint. Since it notably alters the normal anatomy of the wrist, the anatomical alterations are thought to be responsible for the increased tendency to develop symptomatic arthritis. Clinically, however, more than 1-year follow-up does not show any arthrosis in the reconstructed radiocarpal joint after this procedure. We tied to investigate the reason of no postsurgical arthrosis by documenting the contact pressures in the radiocarpal and triquetrohamate joints in a cadaveric wrist model. The contact pressures were measured by the super low pressure Fuji prescale film in 6 different wrist positions. No statistically significant difference existed in the average contact pressures of the scaphoid fossa, lunate fossa, triangular fibrocartilage, and triquetrohamate articulation in each wrist position between pre- and postsurgically. These results suggest that this procedure does not necessarily result in increased rate of postsurgical arthritis.
Authors:
Xiao-Yan Jia; Xu Gong; Lai-Jin Lu
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-2
Journal Detail:
Title:  Annals of plastic surgery     Volume:  -     ISSN:  1536-3708     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7805336     Medline TA:  Ann Plast Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
From the Department of Hand Surgery, The First Hospital of Ji Lin University, Chang Chun, Ji Lin Province, People's Republic of China.
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