Effectiveness of Short-term Use of Gabapentin as Pre-emptive Analgesia in Reducing Pain after Video Assisted Thoracoscopic Surgery

Document Type : Original Article

Authors

1 Clinical Pharmacy Department, Faculty of Pharmacy, Islamic Azad University of Medical Sciences, Tehran, Iran

2 Critical Care Quality Improvement Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3 Tracheal Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran

Abstract

Background: Pain control after thoracoscopy is one of the important issues in patient health care. Pre-emptive analgesia can reduce acute postoperative pain and also prevent chronic pain. This study aimed to evaluate the effectiveness of gabapentin (GABA analog) as pre-emptive analgesia in reducing pain and reducing opiate consumption after video-assisted thoracoscopic surgery (VATS) surgery.
Materials and Methods: In this study, 67 patients undergoing thoracoscopic surgery were randomly divided into two groups (31 placeboes and 36 gabapentin). Patients received two capsules (300 mg gabapentin capsules or placebo) on the night before surgery and again one hour before surgery.  After completion of the operation, all patients were transferred to the recovery. Evaluation of postoperative pain was performed using the visual analog scale (VAS) every 30 minutes and then after 2, 4, 6, 10, 24 hours. If patients had pain (VAS above 3), intravenous morphine was injected to relieve pain and the number of injections and the total dose of morphine administered was recorded.
Results: There was no significant difference between the two groups regarding VAS, blood pressure (BP), heart rate (HR), respiratory rate (RR) and saturated oxygen level (SaO2), urea, creatinine, and adverse effects.
Conclusion: Preoperative gabapentin administration did not affect postoperative pain reduction, but morphine consumption in the gabapentin group was decreased during the first 24 hours after VATS.

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TANAFFOS (Respiration)
Volume 21, Issue 1
January 2022
Pages 90-95

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