Pre-emptive 600 mg oral gabapentin reduces morphine requirements and postoperative pain following non-obstetric lower abdominal surgery

Raden Sukmono, Andi Ramlan, Andy Andy, Darto Satoto, Rafidya Septica

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Postoperative pain following lower abdominal surgery is one of the most common complications reported by patients. Gabapentin given two hours before surgery as pre-emptive analgesia has been reported to reduce postoperative pain and decrease postoperative analgesia requirements. The aim of this study was to determine the effectiveness of 600 mg oral gabapentin as a pre-emptive analgesia to reduce postoperative pain and morphine requirements following nonobstetric lower abdominal surgery. METHODS: A double-blind randomized clinical trial was conducted with 72 subjects acquired by consecutive sampling from November 2019 to February 2020 at Tangerang District Hospital. Eligible subjects were randomized to two groups: placebo or 600 mg oral gabapentin two hours before skin incision. The total morphine requirements, visual analogue scale (VAS) score, first-time analgesic demand, and side effects were assessed during the first 24 hours postoperatively. RESULTS: The first 24-hour postoperative total morphine was higher in the placebo group (5.33 ± 1.97 mg vs. 2.47 ± 1.90 mg; P < 0.001). The pain scale at rest and movement during recovery, two hours postoperatively, and 24 hours postoperatively were significantly different between the two groups (P < 0.05). The Mann-Whitney test showed a significant difference in the first-time morphine required as rescue analgesia between the gabapentin group (161.5 [25-990] minutes) and placebo group (67.5 [10-371] minutes; P < 0.001). No significant difference was found in adverse events between the groups. CONCLUSIONS: Following nonobstetric lower abdominal surgery, 600 mg oral gabapentin as a pre-emptive analgesia attenuates postoperative pain and reduces morphine requirements.

Original languageEnglish
Pages (from-to)42-47
Number of pages6
JournalAnaesthesiology Intensive Therapy
Volume54
Issue number1
DOIs
Publication statusPublished - 2022

Keywords

  • gabapentin
  • lower abdomen
  • morphine
  • VAS.
  • pre-emptive analgesia

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