The comparative preemptive analgesic efficacy of addition of vitamin B complex to gabapentin versus gabapentin alone in women undergoing cesarean section under spinal anesthesia: A prospective randomized double-blind study

Development of new multimodal analgesic regimens have led to substantial improvement in postoperative pain relief. We designed this study to compare the effect of combined vitamin B complex-gabapentin versus gabapentin alone on postoperative pain in women undergoing cesarean section under spinal ane...

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Bibliographic Details
Published in:	Medicine (Baltimore) Vol. 96; no. 15; p. e6545
Main Authors:	Khezri, Marzieh Beigom, Nasseh, Nahid, Soltanian, Ghodratollah
Format:	Journal Article
Language:	English
Published:	United States The Authors. Published by Wolters Kluwer Health, Inc. All rights reserved 01-04-2017 Wolters Kluwer Health
Subjects:	Administration, Oral Adult Amines - administration & dosage Amines - adverse effects Analgesics - administration & dosage Analgesics - adverse effects Anesthesia, Spinal Cesarean Section - adverse effects Cesarean Section - methods Clinical Trial/Experimental Study Cyclohexanecarboxylic Acids - administration & dosage Cyclohexanecarboxylic Acids - adverse effects Double-Blind Method Drug Therapy, Combination Female Gabapentin gamma-Aminobutyric Acid - administration & dosage gamma-Aminobutyric Acid - adverse effects Humans Incidence Pain Measurement Pain, Postoperative - epidemiology Pain, Postoperative - etiology Pain, Postoperative - prevention & control Postoperative Nausea and Vomiting - chemically induced Postoperative Nausea and Vomiting - epidemiology Pregnancy Preoperative Care - methods Prospective Studies Treatment Outcome Vitamin B Complex - administration & dosage
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Summary:	Development of new multimodal analgesic regimens have led to substantial improvement in postoperative pain relief. We designed this study to compare the effect of combined vitamin B complex-gabapentin versus gabapentin alone on postoperative pain in women undergoing cesarean section under spinal anesthesia. One hundred twenty-eight women who underwent cesarean section under spinal anesthesia were randomized to receive orally 300 mg gabapentin (group G) or 300 mg of gabapentin plus 2 vitamin B complex (group GB) tablets 30 minutes before surgery. Postoperative pain intensity and total analgesic consumption during 12 hours after surgery, vomiting, and drowsiness during recovery were assessed. The pain intensity in the gabapentin plus vitamin B complex group was lower than gabapentin group during 12 hours after surgery (95% CI: 1.4-2.2; P < .001). Meanwhile, the total analgesic consumption in this group was less than gabapentin alone (95% CI: 1.07-1.24; P = 0.034). The incidence of vomiting in patients who receive combined gabapentin-vitamin B complex group was similar to gabapentin alone (P = .206). The difference of the distribution of the relative frequency of sedation according to Ramsay sedation scores in patients between 2 groups were insignificant (P = .82). All newborns in our study were free of any adverse effects. Addition of vitamin B complex to gabapentin reduced intensity of postoperative pain and also the total amount of analgesic consumption within the first 12 hours postoperative following cesarean section.
ISSN:	0025-7974 1536-5964
DOI:	10.1097/MD.0000000000006545