Document Detail

Faster wash-out and recovery for desflurane vs sevoflurane in morbidly obese patients when no premedication is used.
MedLine Citation:
PMID:  17621601     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The aim of this study was to compare desflurane vs sevoflurane kinetics and dynamics in morbidly obese patients and their recovery profile when no premedication had been used. METHODS: Twenty-eight unpremedicated obese patients were randomly allocated to receive either sevoflurane (n = 14) or desflurane (n = 14) as the main anaesthetic agent. After induction of anaesthesia, either sevoflurane 2% or desflurane 6% was administered for 30 min via a non-rebreathing circuit. The kinetics of sevoflurane and desflurane were determined by measuring and recording end-tidal samples during this time. The bispectral index was used to indicate the level of hypnosis. At the end of the procedure, the end-tidal concentrations of sevoflurane and desflurane were recorded during the first 5 min after stopping their administration. Time from discontinuation of the anaesthetic drugs to eye opening on verbal command, squeezing the observer's hand on command, extubation, stating their name, giving their correct date of birth, discharge from the recovery room, and duration of the surgery and anaesthesia were also recorded. RESULTS: The F(A)/F(I) ratio was significantly higher in the desflurane group from the 15th to the 30th min. The wash-out phase was faster for desflurane during the total observation period. When desflurane was used, recovery was also faster. CONCLUSIONS: Desflurane provides faster wash-in and wash-out than sevoflurane in morbidly obese patients, and recovery is much faster after desflurane administration when no premedication has been used.
L La Colla; A Albertin; G La Colla; A Mangano
Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial     Date:  2007-07-09
Journal Detail:
Title:  British journal of anaesthesia     Volume:  99     ISSN:  0007-0912     ISO Abbreviation:  Br J Anaesth     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-17     Completed Date:  2007-10-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  England    
Other Details:
Languages:  eng     Pagination:  353-8     Citation Subset:  IM    
Department of Anesthesiology, Vita-Salute San Raffaele University School of Medicine, IRCCS San Raffaele, Milan, Italy.
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MeSH Terms
Anesthesia Recovery Period
Anesthetics, Inhalation / pharmacokinetics*
Double-Blind Method
Electroencephalography / drug effects
Isoflurane / analogs & derivatives*,  pharmacokinetics
Methyl Ethers / pharmacokinetics*
Middle Aged
Obesity, Morbid / metabolism*
Prospective Studies
Reg. No./Substance:
0/Anesthetics, Inhalation; 0/Methyl Ethers; 26675-46-7/Isoflurane; 28523-86-6/sevoflurane; 57041-67-5/desflurane

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