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A comparative study evaluating effects of intravenous sedation by dexmedetomidine and propofol on patient hemodynamics and postoperative outcomes in cardiac surgery

心率 咪唑安定 芬太尼 镇静剂 麻醉剂 氯胺酮
作者
Tufail Ahmad Sheikh,Bashir Ahmad Dar,Nihida Akhter,Nadeem Ahmad
出处
期刊:Anesthesia: Essays and Researches 卷期号:12 (2): 555-560 被引量:15
标识
DOI:10.4103/aer.aer_46_18
摘要

Background: The use of intravenous sedation during cardiac surgery to reduce awareness has been practised routinely during past few years and the two most commonly used drugs include propofol and dexmedetomidine, but their effects on hemodynamics and postoperative outcomes in cardiac surgery is continually being evaluated. Aims: The aim of this study was to compare the effects of anesthesia by dexmedetomidine and propofol on the hemodynamic variables and postoperative outcomes in patients who were planned for elective cardiac surgery. Settings: Cardiac operating room of a tertiary care hospital. Design: A prospective, randomized controlled, double-blind clinical trial. Materials and Methods: Sixty patients were randomized to receive either a continuous infusion of propofol (0.25–1 mg/kg/h) or dexmedetomidine bolus of 1 μg/kg over 10 min followed by infusion (0.2–0.6 μg/kg/h) after induction of anesthesia. The anesthesia technique and physiological monitoring including bispectral index monitoring were similar among both the groups. Hemodynamic variables (mean heart rate [HR], mean arterial pressure [MAP]) were noted at predefined time intervals, intraoperative vasopressor or inotrope requirements and postoperative outcomes including postoperative ventilation time and length of stay in the Intensive Care Unit (ICU) were also recorded. Statistical Analysis: Statistics was done using SPSS V 20 (IBM, NY) using Student's t-test, analysis of variance, and Mann–Whitney U-test, and a P
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