Research article summary (published 30 Oct 2009):

The effects of sevoflurane and propofol on glucose metabolism under aerobic conditions in fed rats.

Full Abstract

BACKGROUND: Recent studies reported that intraoperative hyperglycemia is an independent risk factor for mortality and morbidity related to surgery. Volatile anesthetics, such as sevoflurane, impair glucose use, suggesting their possible contributions to intraoperative hyperglycemia. However, the effects of IV anesthetics, such as propofol, on glucose metabolism are poorly understood. Thus, we compared the effects of sevoflurane and propofol on glucose metabolism under aerobic conditions in fed rats. METHODS: We first examined changes in blood glucose levels in rats undergoing sigmoid colostomy under sevoflurane, sevoflurane/buprenorphine, propofol, and propofol/buprenorphine anesthesia. We then examined changes in blood glucose levels after glucose administration using awake rats, rats under sevoflurane anesthesia, and rats under propofol anesthesia. RESULTS: Blood glucose levels increased markedly after sigmoid colostomy under sevoflurane anesthesia; the marked increases could not be prevented by the coadministration of buprenorphine. Under propofol anesthesia, blood glucose levels did not change after sigmoid colostomy at the highest dose, but increased slightly at the lowest and intermediate doses; the slight increases were completely prevented by the coadministration of buprenorphine. Whereas changes in blood glucose levels after glucose administration in rats under sevoflurane anesthesia were significantly greater than those in awake rats, the changes in rats under propofol anesthesia were similar to those in awake rats. CONCLUSIONS: During surgery, hyperglycemia was observed under sevoflurane and sevoflurane/buprenorphine anesthesia, but blood glucose levels were relatively stable under propofol and propofol/buprenorphine anesthesia. Whereas sevoflurane exaggerates glucose intolerance, propofol has no significant effects on glucose tolerance. We speculate that this feature of propofol contributes, at least in part, to the stable glucose metabolism during surgery observed in this study. The results of this study confirm the marked difference in the effects of sevoflurane and propofol on glucose metabolism.

Author information

Author/s: Kitamura, Takayuki (T); Ogawa, Makoto (M); Kawamura, Gaku (G); Sato, Kanako (K); Yamada, Yoshitsugu (Y);

Affiliation: Department of Anesthesiology, Faculty of Medicine, The University of Tokyo, Tokyo 113-8655, Japan. tyy-kitamura(-atsign-)m7.dion.ne.j

Journal and publication information

Publication Type: Comparative Study; Journal Article

Journal: Anesthesia and analgesia (Anesth Analg), published in United States. (Language: eng)

Reference: 2009-Nov; vol 109 (issue 5) : pp 1479-85

Dates: Created 2009/10/21; Completed 2009/11/05;

PMID: 19843785, status: MEDLINE (last retrieval date: 11/5/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Analgesics, Opioid - pharmacology Anesthetics, Intravenous - toxicity Animals Blood Glucose - drug effects Buprenorphine - pharmacology Colostomy - adverse effects Dose-Response Relationship, Drug Glucose - administration & dosage; metabolism Glucose Intolerance - blood; chemically induced; physiopathology Glucose Tolerance Test

Glucose Tolerance Test Hemodynamics - drug effects Hyperglycemia - blood; chemically induced; physiopathology Male Methyl Ethers - toxicity Postprandial Period Propofol - toxicity Rats Rats, Sprague-Dawley Time Factors

Associated Chemicals: Analgesics, Opioid (0) ; Anesthetics, Intravenous (0) ; Blood Glucose (0) ; Methyl Ethers (0) ; Propofol (2078-54-8) ; sevoflurane (28523-86-6) ; Glucose (50-99-7) ; Buprenorphine (52485-79-7)

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