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KMID : 0356920110610040297
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Korean Journal of Anesthesiology
2011 Volume.61 No. 4 p.297 ~ p.301
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Effect of isoflurane versus propofol-remifentanil anesthesia on neuromuscular blockade and hemodynamic responses by cisatracurium bolus injection
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Hyun Dong-Ho
Ryu Han-Bom
Kim Mi-Woon
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Abstract
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Background:Inhalational anesthetics potentiate nondepolarizing muscle relaxants. Cisatracurium is a recently introduced neuromuscular blocker in Korea. We studied the effect of inhalational anesthesia and total intravenous anesthesia (TIVA) on neuromuscular blockades and hemodynamic responses by cisatracurium bolus injection.
Methods:Forty patients undergoing elective surgery were randomly divided into isoflurane and propofol-remifentanil groups. A bolus dose of cisatracurium of 0.15 mg/kg (3 × ED95) was administered after induction and the onset time and clinical duration of action were recorded. The nueromuscular blockade was monitored using train-of-four (TOF) stimulation. Hemodynamic parameters were also recorded.
Results:Onset time was 194.0 ± 39.1 sec in the isoflurane group and 226.5 ± 62.2 sec in the propofol-remifentanil group. Clinical duration of action was 49.2 ± 9.0 min in the isoflurane group and 43.0 ± 9.2 min in the propofol-remifentanil group. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) immediately before intubation decreased in the propofol-remifentanil group. Heart rate (HR), SBP and DBP 1 and 3 min after tracheal intubation increased in the isoflurane group.
Conclusions:Onset time was similar between isoflurane and propofol-remifentanil anesthesia. Clinical duration of action was significantly longer in isoflurane anesthesia. SBP and DBP immediately before intubation and HR, SBP and DBP 1 and 3 min after tracheal intubation were significantly different between the two groups.
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KEYWORD
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Cisatracurium, Isoflurane, Propofol, Remifentanil
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