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Pain reduction by continuous intraperitoneal nebulization of ropivacaine during gynecological laparoscopic surgery

Research paper by Y. Kaufman, L. Ostrovsky, O. Klein, I. Hirsh, R. Auslander, R. Pizov, A. Lissak

Indexed on: 24 Aug '12Published on: 24 Aug '12Published in: Gynecological Surgery



Abstract

The objective of this study was to examine the analgesic effect of intraperitoneal nebulization of ropivacaine during gynecological laparoscopic procedures for patients anesthetized with an ultrashort-acting opiate. The study was a double-blinded placebo-controlled randomized trial (Canadian Task Force classification I) and involved 40 patients (20 patients in each arm) undergoing elective gynecological same-day outpatient laparoscopic surgery including unilateral/bilateral salpingo-oophorectomy or unilateral/bilateral ovarian cystectomy at the University Hospital Ambulatory Gynecological Endoscopic Unit. The study group received 10 ml of 1 % ropivacaine, and the control group received 10 ml of sterile water by intraperitoneal nebulization. Vital signs were recorded and summarized. Postoperatively, patients were followed up for 24 h including visual analogue scale (VAS) scores and analgesic usage. Results showed no significant differences between the two groups in terms of patient characteristics and surgical data. There were no significant differences between the groups in postoperative VAS scores at rest at the different time intervals. VAS scores during strain showed significantly decreased pain at the postoperative 2-h interval (p < 0.05). Postoperative opiate and nonopiate analgesia consumption was similar for both groups. Patients in the study groups required more antiemetic agents compared to the control group patients (p < 0.05). There were no reported side effects related to ropivacaine. Intraperitoneal nebulization of 100 mg of ropivacaine during gynecological laparoscopy under general anesthesia with an ultrashort-acting opiate does not reduce postoperative pain and it does not reduce postoperative opiate and nonopiate analgesia consumption.

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