JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
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Effect of pre-emptive pregabalin on pain intensity and postoperative morphine consumption after laparoscopic cholecystectomy.

BACKGROUND: Postoperative pain is the dominant complaint and the most common cause of delayed discharge after laparoscopic cholecystectomy. The aim of this study is to evaluate the potential of preoperative administration of pregabalin to reduce postoperative pain and opioid consumption.

METHODS: Fifty American Society of Anesthesiologists (ASA) I and II adult patients with symptomatic gallstone disease scheduled for elective laparoscopic cholecystectomy were randomized into two groups: group I patients (n = 25) were given 600 mg pregabalin per os divided in two doses, the night before surgery and 1 h preoperatively, respectively, while group II patients (n = 25) received a matching to pregabalin placebo at the same scheme. Postoperative pain, morphine consumption, and complications were compared between the two groups.

RESULTS: Postoperative pain (static and dynamic assessment) was significantly less at 0, 1, 8, 16, and 24 h (p < 0.001) after the procedure for group I (pregabalin) compared with the placebo group. Postoperative patient-controlled morphine consumption during hospital stay was also significantly less in the pregabalin group compared with the placebo group. Side-effects were similar in both groups expect for dizziness, which was significantly higher (p < 0.0001) in the pregabalin group.

CONCLUSIONS: Administration of 600 mg pregabalin per os, divided in two preoperative doses, significantly reduces postoperative pain as well as opioid consumption in patients undergoing laparoscopic cholecystectomy, at the cost of increased incidence of dizziness.

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