Comparison of Gabapentin and Esmolol in Reducing Haemodynamic Response to Laryngoscopy and Intubation: A Randomised Clinical Trial

Author:

Choudhary Geeta,Yadav Nitu,Bhagat Shubhada,Anant Garima,Goyal Shelly,Bhalla Lakshay

Abstract

Introduction: Haemodynamic stress response to direct laryngoscopy and endotracheal intubation have been well established. Both gabapentin and esmolol facilitates in attenuating this stress response through different mechanisms. Aim: To compare the efficacy of gabapentin and esmolol in reducing the haemodynamic stress response to laryngoscopy and intubation. Materials and Methods: The present single centre, randomised clinical trial was conducted at Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India, from May 2022 to August 2022 among 90 American Society of Anesthesiologists (ASA) I and II patients. The patients were divided into two groups, group G and group E. In group G, tablet gabapentin 800 mg given three hours before surgery while injection normal saline 10 mL intravenously was given two minutes prior to induction. Group E received tablet placebo three hours before surgery and injection esmolol 1.5 mg/kg diluted upto 10 mL was given intravenously two minutes prior to induction. The baseline Heart Rate (HR), Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP) and Mean Arterial Pressure (MAP) and the change at 1, 2, 5 and 10 minutes after laryngoscopy and intubation was observed. Comparison of continuous variables between two groups was done using independent t-test and comparison of percentages between two or more groups was done using Chi-square test. Results: The mean age of group G and group E was 41.52±9.87 years and 38.54±10.06 years, respectively. Male to female ratio in group G and group E was 20:25 and 21:24, respectively. There was no significant difference in haemodynamic response to intubation between both gabapentin group and esmolol group. However, the esmolol group had more falls in all haemodynamic parameters such as HR, SBP, DBP and MAP (<20%) intraoperatively. Conclusion: Both esmolol and gabapentin were effective in attenuating the stress response to laryngoscopy and endotracheal intubation when used as premedication. But there was more decrease in HR and blood pressure intraoperatively, when injection esmolol was used.

Publisher

JCDR Research and Publications

Subject

Clinical Biochemistry,General Medicine

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