Document Detail

Effect of tourniquet time on postoperative quadriceps function.
MedLine Citation:
PMID:  509826     Owner:  NLM     Status:  MEDLINE    
Postoperative weakness of quadriceps function following knee arthrotomy has often been attributed to pain inhibition or lack of motivation. However, the delayed recovery may be the result of a slowly resolving axonal compression syndrome caused by the pneumatic tourniquet. Forty-eight patients who underwent knee arthrotomy were evaluated including postoperative electromyographic testing and clinical follow-up. Thirty of these patients (62.5%) developed postoperative EMG changes. Abnormalities were noted in various muscle groups but most commonly involved the quadriceps alone or quadriceps and gastrocnemius. An effort was made in 20 patients to substantially decrease the duration of tourniquet compression by limiting tourniquet inflation to intracapsular portions of the procedures. Fewer EMG changes and more rapid clinical recovery were noted in patients with decreased tourniquet times, suggesting that it is beneficial to minimize the duration of tourniquet compression. In all patients who returned for serial testing, the EMG abnormalities eventually resolved.
K C Saunders; D L Louis; S I Weingarden; G W Waylonis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  1979 Sep 
Date Detail:
Created Date:  1980-02-15     Completed Date:  1980-02-15     Revised Date:  2005-03-03    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  194-9     Citation Subset:  AIM; IM    
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MeSH Terms
Middle Aged
Muscle Hypotonia / etiology*,  physiopathology
Muscles / innervation*
Nerve Compression Syndromes / etiology*
Time Factors
Tourniquets / adverse effects*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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