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Effect of an intravenous infusion of lidocaine on cisatracurium-induced neuromuscular block duration: a randomized-controlled trial.
MedLine Citation:
PMID:  20840515     Owner:  NLM     Status:  In-Process    
BACKGROUND: Intravenous lidocaine can be used intraoperatively for its analgesic and antihyperalgesic properties but local anaesthetics may also prolong the duration of action of neuromuscular blocking agents. We hypothesized that intravenous lidocaine would prolong the time to recovery of neuromuscular function after cisatracurium.
METHODS: Forty-two patients were enrolled in this randomized, double-blind, placebo-controlled study. Before induction, patients were administered either a 1.5 mg/kg bolus of intravenous lidocaine followed by a 2 mg/kg/h infusion or an equal volume of saline. Anaesthesia was induced and maintained using propofol and remifentanil infusions. After loss of consciousness, a 0.15 mg/kg bolus of cisatracurium was administered. No additional cisatracurium injection was allowed. Neuromuscular function was assessed every 20 s using kinemyography. The primary endpoint was the time to spontaneous recovery of a train-of-four (TOF) ratio ≥ 0.9.
RESULTS: The time to spontaneous recovery of a TOF ratio ≥ 0.9 was 94 ± 15 min in the control group and 98 ± 16 min in the lidocaine group (P=0.27).
CONCLUSIONS: No significant prolongation of spontaneous recovery of a TOF ratio ≥ 0.9 after cisatracurium was found in patients receiving intravenous lidocaine.
G A Hans; A Defresne; B Ki; V Bonhomme; A Kaba; C Legrain; J F Brichant; P C Hans
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Publication Detail:
Type:  Journal Article     Date:  2010-09-14
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  54     ISSN:  1399-6576     ISO Abbreviation:  Acta Anaesthesiol Scand     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  England    
Other Details:
Languages:  eng     Pagination:  1192-6     Citation Subset:  IM    
Copyright Information:
© 2010 The Authors. Journal compilation © 2010 The Acta Anaesthesiologica Scandinavica Foundation.
Department of Anaesthesia and Intensive Care Medicine, CHU of Liège, University of Liège, Belgium.
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