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. 2014 Oct;8(10):GC01-5.
doi: 10.7860/JCDR/2014/10237.5006. Epub 2014 Oct 20.

Hemodynamic responses to etomidate versus ketamine-thiopental sodium combination for anesthetic induction in coronary artery bypass graft surgery patients with low ejection fraction: a double-blind, randomized, clinical trial

Mohammad Reza Habibi  1 , Afshin Gholipour Baradari  1 , Aria Soleimani  2 , Amir Emami Zeydi  3 , Hamid Sharif Nia  4 , Ali Habibi  5 , Naser Onagh  5
Affiliations

Hemodynamic responses to etomidate versus ketamine-thiopental sodium combination for anesthetic induction in coronary artery bypass graft surgery patients with low ejection fraction: a double-blind, randomized, clinical trial

Mohammad Reza Habibi et al. J Clin Diagn Res. 2014 Oct.

Abstract

Background: During induction of anesthesia and intubation, hemodynamic changes are very important; especially in patients with coronary artery disease (CAD) and left ventricular dysfunction. A little information is available on the hemodynamic effects of a combination of ketamine-thiopental for induction of anesthesia in patients undergoing coronary artery bypass graft (CABG) surgery, with impaired ventricular function.

Aim: The aim of this study was to compare the hemodynamic responses to etomidate versus ketamine-thiopental sodium combination for anesthetic induction in CABG surgery patients with low ejection fraction (EF<45%).

Materials and methods: In a double blind randomized clinical trial, a total of 100 patients, scheduled for elective CABG surgery were randomly assigned into two groups. These patients received either etomidate or ketamine-thiopental sodium combination at induction of anesthesia. Hemodynamics variable were measured and recorded at baseline, immediately before and after laryngoscopy and intubation, one, two and three minutes after intubation. Also, muscle twitching incidence among patients in two groups was evaluated.

Results: No significant differences between the two groups regarding the changes of hemodynamic variables including systolic and diastolic arterial blood pressure, mean arterial pressure and heart rate, were notice (p>0.05). Muscle twitching was not observed in the two groups.

Conclusion: Hemodynamic stability after administration of ketamine-thiopental sodium combination for induction of anesthesia in patients undergoing CABG surgery, with impaired ventricular function, supports the clinical impression that this combination is safe in CABG surgery patients with low EF.

Keywords: Anesthesia; CABG; Etomidate; Hemodynamic; Thiopental sodium.

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Figures

[Table/Fig-1]:
[Table/Fig-1]:
Flow chart of the study
See this image and copyright information in PMC

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