Document Detail

Neuromuscular blockade: electromyographic and mechanical versus visual interpretation.
MedLine Citation:
PMID:  2000715     Owner:  NLM     Status:  MEDLINE    
Anesthetists frequently provide intraoperative muscle relaxation in addition to general anesthesia. However, visual interpretation of the effect of neuromuscular blocking drugs is not always possible. This study examined two alternative methods (electromyography/electrocardiography [EMG/ECG] and mechanical/ECG) of interpreting neuromuscular blockade and compared these methods to visual interpretation. EMG/ECG and mechanical/ECG methodologies were found to provide reliable valid intraoperative interpretation of nondepolarizing neuromuscular blockade for single-twitch and train-of-four stimuli. EMG/ECG and mechanical/ECG measures of neuromuscular blockade were performed with an electrocardiographic monitor and a pressure transducer, respectively. Both EMG/ECG and mechanical/ECG, when compared to visual interpretation, were found to be equally, and usually more, valid indicators of neuromuscular blockade. The clinical significance of this study is its contribution to quality care and patient safety. When visual monitoring of neuromuscular blockade is not feasible, either EMG/ECG or mechanical/ECG provide an alternative method of monitoring neuromuscular blockade.
G A Hardesty
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  AANA journal     Volume:  59     ISSN:  0094-6354     ISO Abbreviation:  AANA J     Publication Date:  1991 Feb 
Date Detail:
Created Date:  1991-04-11     Completed Date:  1991-04-11     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0431420     Medline TA:  AANA J     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  82-90     Citation Subset:  N    
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MeSH Terms
Electrocardiography / drug effects,  standards*
Electromyography / drug effects,  standards*
Evaluation Studies as Topic
Middle Aged
Monitoring, Intraoperative / methods*,  standards
Neuromuscular Blocking Agents / adverse effects,  pharmacology*,  therapeutic use
Reg. No./Substance:
0/Neuromuscular Blocking Agents

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

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