Comparative effect of preoperative oral pregabalin 50 mg vs. 75 mg on nerve growth factor (NGF) levels in parturients undergoing cesarean section

Abstract

Background & objectives: Postoperative pain after cesarean section (CS) is a crucial problem faced by the parturients. Pregabalin is a choice of preventive analgesia to reduce neuropathic pain, inflammation, tissue irritation, and post-cesarean section pain. The purpose of this study was to compare the effect of giving pregabalin 50 mg or 75 mg in combination with paracetamol 1 g on nerve growth factor (NGF) levels after cesarean section. Methodology: A prospective, comparative model was used in this study. The study took place at Mother and Children Hospital of Sitti Khadijah I, Makassar, Indonesia. A total of 30 patients who underwent CS were randomly divided into two groups; group P1 who received pregabalin 50 mg orally and 1 g paracetamol intravenously, 1 h before surgery (n = 15), and group P2 who received pregabalin 75 mg orally and 1 g paracetamol intravenously, 1 h before surgery (n = 15). Nerve Growth Factor (NGF) levels were measured 2 h before surgery, and at 4 and 6 h post-surgery. Data were analyzed by the Mann-Whitney test using SPSS 26.0. Results: There was a decrease in NGF levels in the pregabalin 75 mg group at 6 h post-surgery, while in the pregabalin 50 mg group it tended to increase at 4 and 6 h post-surgery. In the pregabalin 50 mg group, there was a significant increase in NGF levels from measurements of NGF1 to NGF2 and NGF0 to NGF2 (P < 0.05), whereas, in the pregabalin 75 mg group, there was a significant decrease in NGF levels from measurements of NGF1 to NGF2 and NGF0 to NGF2 (P < 0.05). Conclusion: The combination of pregabalin 75 mg orally with paracetamol 1 g intravenously is effective as perioperative multimodal analgesia by reducing nerve growth factor levels after cesarean section surgery. Abbreviations: BDNF- brain-derived neurotrophic factor; CS- Cesarean section; GABA- Gamma Amino Butyric Acid; NGF- Nerve Growth Factor Keywords: Cesarean section; Nerve Growth Factor (NGF); Postoperative; Pregabalin Citation: Ahmad MR, Harahap MW, Wirawan NS. Comparison between pregabalin 50 mg and 75 mg on nerve growth factor (NGF) levels after cesarean section. Anaesth. pain intensive care 2022;27(6):721−725; DOI: 10.35975/apic.v27i6.2159 Received: February 20, 2923; Revised: July 11,2023; Accepted: October 29, 2023

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