Document Detail

Effects of the lithotomy position on arterial blood flow in the lower extremities.
MedLine Citation:
PMID:  1574874     Owner:  NLM     Status:  MEDLINE    
The lithotomy position is known to decrease venous blood flow and predispose to lower extremity venous thrombosis. However, arterial thrombosis secondary to surgical positioning has rarely been discussed. One hundred patients underwent measurements of their ankle-arm index, the ratio of their ankle systolic pressure compared to their brachial blood pressure, preoperatively (AAI); immediately after being placed in the lithotomy position (AAII); and immediately prior to returning to the supine position (AAIII). Comparison of all the ankle-arm indexes revealed significant drops between preoperatively and immediately after being placed in the lithotomy position, and between preoperatively (p less than .01) and immediately prior to the supine position (p less than .05). When only preoperative ankle-arm indexes of 0.99 were examined, a very significant drop of p less than .005 was obtained. No significant drop was seen in the group with preoperative ankle-arm indexes less than 0.99. In view of this pressure drop, standard lithotomy stirrups, such as those usually utilized for OB procedures, should be used with caution for procedures requiring prolonged lithotomy position.
T D Canterbury; W E Wheeler; C E Scott-Conner
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The West Virginia medical journal     Volume:  88     ISSN:  0043-3284     ISO Abbreviation:  W V Med J     Publication Date:  1992 Mar 
Date Detail:
Created Date:  1992-06-04     Completed Date:  1992-06-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0413777     Medline TA:  W V Med J     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  100-1     Citation Subset:  IM    
Marshall University School of Medicine, Huntington.
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MeSH Terms
Ischemia / physiopathology*
Leg / blood supply*
Postoperative Complications / physiopathology*
Posture / physiology*
Rectal Neoplasms / surgery*
Regional Blood Flow / physiology

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

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