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Korean J Anesthesiol > Volume 47(5); 2004 > Article
Korean Journal of Anesthesiology 2004;47(5):703-708.
DOI: https://doi.org/10.4097/kjae.2004.47.5.703   
Comparison of the Myocardial Protective Effects of Desflurane and Sevoflurane against Global Ischemia and Reperfusion Injury in Isolated Rat Heart.
Mi Kyoung Lee, Young Wook Cho, Hye Ran Oh, Zoo Hee Kim, Il Ok Lee, Myoung Hoon Kong, Nan Suk Kim, Sang Ho Lim
Department of Anesthesiology and Pain Medicine, College of Medicine, Korea University, Seoul, Korea. Lsh1102@unitel.co.kr
Abstract
BACKGROUND
Desflurane and sevoflurane have been shown to induce pharmacologic preconditioning in experimental studies. The present study was aimed at comparing the myocardial protective effects of these two halogenated anesthetics in terms preconditioning induction.
METHODS
Three groups of Sprague-Dawley rat hearts (n = 10 each) were perfused with oxygenated modified Kreb's solution using a Langendorff perfusion device. All groups underwent 30 minutes of global ischemia and 60 minutes of reperfusion after a stabilization period of 30 minutes. Before ischemia, hearts underwent a preconditioning period consisting of either no inhalation for 20 minutes (control group), or 15 minutes of either MAC desflurane or sevoflurane followed by 5 minutes of washout. Left ventricular end systolic pressure (LVESP), left ventricular end diastolic pressure (LVEDP), heart rate (HR) and maximal rate of change of ventricular pressure (dP/dt) were measured at after inhalation, before ischemia, and 5 minutes, 30 minutes and 60 minutes after reperfusion. Coronary sinus effluent also was measured. Infarct size was measured by triphenyl tetrazolium staining.
RESULTS
LVESP and dP/dt were decreased in the control group, but remained unchanged in the desflurane and sevoflurane groups during the reperfusion period. LVEDP was increased in all groups, but the magnitude of the increase was smaller in the desflurane and sevoflurane groups than in the control group during the reperfusion period. HR was increased in the control group, but remained unchanged in the desflurane and sevoflurane groups during the reperfusion period. Coronary blood flow was decreased in all groups. Infarct size for the two anesthetics were smaller than in the control group. Differences in hemodynamics was observed between the desflurane and sevoflurane group at any time.
CONCLUSIONS
Desflurane and sevoflurane had similar myocardial preconditioning effects in isolated rat heart.
Key Words: anesthetic preconditioning; desflurane; ischemia-reperfusion injury; myocardiac protective effects; sevoflurane


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