Document Detail


Intermittent versus continuous brain retraction. An experimental study.
MedLine Citation:
PMID:  6854385     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Brain damage due to retraction was studied morphologically and physiologically in the dog brain. Two methods of retraction were compared using a retractor with a strain gauge: 1) continuous retraction; and 2) intermittent retraction. Total retraction time was 60 minutes for each method. Brain damage started to appear at a retraction force of 30 gm with continuous retraction, and increased in proportion to the force used. The power spectrum of the electrocorticogram showed full recovery after the release of retraction when the retraction force was less than 40 gm. With intermittent retraction, the damage was morphologically minimal with a retraction force of less than 50 gm, and recovery of the power spectrum of the electrocorticogram was prompt in comparison with continuous retraction. The results indicate the superiority of intermittent over continuous retraction.
Authors:
A Yokoh; K Sugita; S Kobayashi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of neurosurgery     Volume:  58     ISSN:  0022-3085     ISO Abbreviation:  J. Neurosurg.     Publication Date:  1983 Jun 
Date Detail:
Created Date:  1983-07-08     Completed Date:  1983-07-08     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0253357     Medline TA:  J Neurosurg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  918-23     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain / pathology,  physiopathology,  surgery*
Brain Injuries / etiology
Cerebral Cortex / physiology
Dogs
Electroencephalography
Intraoperative Complications

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