Hiroyuki Seki1,2, Kyoko Furumoto3,4, Masato Sato5, Aya Kagoya3, Hiroka Hashimoto3, Yoshihiro Sekiguchi3, Itsuo Nakatsuka3. 1. Department of Anesthesiology, Tokyo Saiseikai Central Hospital, 4-17 Mita 1-chome, Minato-ku, Tokyo, 108-0073, Japan. hseki.a3@keio.jp. 2. Department of Anesthesiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. hseki.a3@keio.jp. 3. Department of Anesthesiology, Tokyo Saiseikai Central Hospital, 4-17 Mita 1-chome, Minato-ku, Tokyo, 108-0073, Japan. 4. Department of Anesthesiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. 5. Department of Anesthesiology, Keiyu Hospital, Yokohama, Kanagawa, Japan.
Abstract
PURPOSE:Patients undergoinglaparoscopic gynecological surgery are susceptible to postoperative nausea and vomiting (PONV). We hypothesized that a combination of epidural and general anesthesia to minimize intraoperative opioid administration would reduce the incidence of PONV following laparoscopic gynecological surgery. METHODS:Women undergoing elective laparoscopic gynecological surgery were randomly assigned to receive general anesthesia alone (group G, n = 45) or general anesthesia with epidural anesthesia (group GE, n = 45). Patients in group G received fentanyl and remifentanil for intraoperative analgesia, and those in group GE received single-shot ropivacaine at the time of induction of anesthesia. The primary outcome was the incidence of PONV within 24 h of surgery. Secondary outcomes included the use of rescue metoclopramide within 24 h of surgery and the time to first incidence of PONV and first use of rescue metoclopramide. RESULTS: The incidence of PONV within 24 h of surgery was 60.0% in group G and 44.4% in group GE [relative risk (RR): 0.53, 95% confidence interval (CI): 0.23-1.23, p = 0.14]. There were no intergroup differences in the use of rescue metoclopramide (40.0% in group G, 24.4% in group GE, RR: 0.49, 95% CI 0.20-1.20, p = 0.11) and the time to first incidence of PONV and first use of rescue metoclopramide (p = 0.20 and 0.12, respectively). CONCLUSION: Minimizing intraoperative opioid administration by combining epidural and general anesthesia did not reduce the 24-h incidence of PONV or rescue metoclopramide use after laparoscopic gynecological surgery.
RCT Entities:
PURPOSE:Patients undergoing laparoscopic gynecological surgery are susceptible to postoperative nausea and vomiting (PONV). We hypothesized that a combination of epidural and general anesthesia to minimize intraoperative opioid administration would reduce the incidence of PONV following laparoscopic gynecological surgery. METHODS:Women undergoing elective laparoscopic gynecological surgery were randomly assigned to receive general anesthesia alone (group G, n = 45) or general anesthesia with epidural anesthesia (group GE, n = 45). Patients in group G received fentanyl and remifentanil for intraoperative analgesia, and those in group GE received single-shot ropivacaine at the time of induction of anesthesia. The primary outcome was the incidence of PONV within 24 h of surgery. Secondary outcomes included the use of rescue metoclopramide within 24 h of surgery and the time to first incidence of PONV and first use of rescue metoclopramide. RESULTS: The incidence of PONV within 24 h of surgery was 60.0% in group G and 44.4% in group GE [relative risk (RR): 0.53, 95% confidence interval (CI): 0.23-1.23, p = 0.14]. There were no intergroup differences in the use of rescue metoclopramide (40.0% in group G, 24.4% in group GE, RR: 0.49, 95% CI 0.20-1.20, p = 0.11) and the time to first incidence of PONV and first use of rescue metoclopramide (p = 0.20 and 0.12, respectively). CONCLUSION: Minimizing intraoperative opioid administration by combining epidural and general anesthesia did not reduce the 24-h incidence of PONV or rescue metoclopramide use after laparoscopic gynecological surgery.
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