• P Narchi, D Benhamou, and H Fernandez.
• Department of Anaesthesia, Hôpital Antoine Béclère, Clamart, France.
• Lancet. 1991 Dec 21; 338 (8782-8783): 1569-70.

AbstractLaparoscopy is frequently associated with postoperative shoulder pain that may last several days. We have assessed the analgesic effect of intraperitoneal local anaesthetics during day-case diagnostic laparoscopy. 80 young women were randomly assigned to one of four groups of 20 patients each: group 1, no peritoneal administration; group 2, 80 ml saline injected under direct vision in the right subdiaphragmatic area at the start of the procedure; group 3, 80 ml 0.5% lignocaine with adrenaline (320,000 dilution); group 4, 0.125% bupivacaine with adrenaline (800,000 dilution). Scapular pain was assessed with a visual analogue pain scale, and information about nausea, vomiting, abdominal pain, and analgesic requirements during the first 48 h was sought. Both local anaesthetics were more effective in reducing postoperative shoulder pain than either control or saline. Analgesic requirements were greater in the non-treatment groups than in the local anaesthetic groups. Intraperitoneal local anaesthetic administration during laparoscopy is both a non-invasive and an efficient method of reducing the intensity of scapular pain.

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