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Comparison of recovery criteria in morbidly obese patients undergoing laparoscopic gastric sleeve resection following use of sevoflurane and isoflurane

Publisher : Anesthesia, Essays and Researches

Campus : Kochi

School : School of Medicine

Department : Anaesthesiology

Year : 2014

Abstract : Context:The favorable kinetic properties of sevoflurane could be advantageous in obese patients undergoing bariatric surgery, improving recovery from general anesthesia (GA).Aims:To compare the recovery criteria following anesthesia with sevoflurane and isoflurane in morbidly obese patients undergoing laparoscopic gastric sleeve resection.Settings and Design:This was a prospective randomized controlled study conducted in 50 patients undergoing laparoscopic sleeve gastrectomy.Materials and Methods:Following awake fiberoptic intubation, GA was induced and maintained with sevoflurane in Group A and isoflurane in Group B. 2% sevoflurane and 1.2% isoflurane were used and concentration varied to maintain a mean arterial pressure (MAP) of 75 mm of Hg, maximum concentration being 3% for sevoflurane and 2% for isoflurane. Inhalational agent was terminated at time of skin suturing and patients were extubated when completely awake. Recovery criteria followed were eye opening on call, voluntary head raising on command for 5 s and orientation assessed by answering name and location.Statistical Analysis Used:Student's t-test was used to test statistical significance of difference in mean values between the groups, analysis of covariance was used to test diastolic blood pressure (DBP) changes and Chi-square test to assess association between categorical variables.Results:There was no significant variability in heart rate, systolic blood pressure, DBP and MAP between 2 groups up to 210 min. Group A patients had significantly faster eye opening compared to Group B (4.4 ± 1.6 vs. 9.2 ± 2.18 min), were significantly faster in obeying commands (6.08 ± 1.6 vs. 10.08 ± 2.02 min), had a significantly shorter extubation time (7.08 ± 1.6 vs. 11.16 ± 2.18 min) and significantly faster orientation in time as compared to Group B (9.24 ± 1.7 vs. 12.32 ± 2.42 min).

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