Document Detail

A detailed anatomical description of the subvastus region and its clinical relevance for the subvastus approach in total knee arthroplasty.
MedLine Citation:
PMID:  12197013     Owner:  NLM     Status:  MEDLINE    
The subvastus region and its anatomical contents are important when performing a total knee replacement via a subvastus approach. Thirty-two human cadaver thighs were studied to provide a detailed anatomical description of the subvastus region and its contents, namely the descending genicular artery and its branches, and the saphenous nerve proximally. In 24 specimens the descending genicular artery arose from the femoral artery and divided into osteoarticular and saphenous branches, while in eight specimens it was absent. The osteoarticular and saphenous branches arose independently from the femoral artery. On the basis of these distribution patterns nine variations with regard to the number and origin of the muscular, musculoarticular and saphenomusculoarticular branches arising from these vessels could be identified. The musculoarticular branch should be preserved wherever possible; however, if it must be sacrificed to improve exposure of the knee joint via a proximal extension of the incision, the passage of the saphenous nerve and the saphenous branch through the vastoadductor membrane are additional structures which must be considered. The proximal limitation for the mobilisation is the adductor hiatus, with further mobilisation increasing the risk of damaging the femoral artery and vein.
M T Scheibel; W Schmidt; M Thomas; G von Salis-Soglio
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  24     ISSN:  0930-1038     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2002 Feb 
Date Detail:
Created Date:  2002-08-28     Completed Date:  2003-02-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  6-12     Citation Subset:  IM    
Department of Orthopedics, University of Leipzig, Semmelweisstrasse 10, 04103 Leipzig, Germany.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Knee / methods*
Knee Joint / anatomy & histology*,  blood supply

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