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ORIGINAL ARTICLE
Year : 2022  |  Volume : 11  |  Issue : 4  |  Page : 231-237

Comparative Study of Postoperative Analgesic Effects of Intraoperative Levobupivacaine Local Infiltration Anesthesia and Transversus Abdominis Plane Block Following Gynecologic Laparoscopy


1 Department of Obstetrics and Gynecology, Minoh City Hospital, Minoh, Osaka, Japan
2 Department of Obstetrics and Gynecology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America

Correspondence Address:
Dr. Akiko Otake
Department of Obstetrics and Gynecology, Minoh City Hospital, 5-7-1, Kayano, Minoo, Osaka 562-8562
Japan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/gmit.gmit_120_21

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Objectives: We aim to assess the postoperative analgesic effect of intraoperative levobupivacaine local infiltration anesthesia (LA) and transversus abdominis plane (TAP) block in gynecologic laparoscopy. Materials and Methods: We conducted a retrospective analysis on the data of 260 patients treated by gynecologic laparoscopy (adnexal surgery, hysterectomy, and myomectomy) between January 2019 and December 2020 at Minoh City Hospital, Osaka Japan. Patients were divided into two groups: intraoperative LA group and TAP block group. We assessed clinical characteristics, surgical results, postoperative numerical rating scale (NRS) pain scores, and the frequency of analgesic use up to 24 h after surgery in overall and by each type of surgery. Pearson's χ2 test, Fisher's exact test, and Wilcoxon/Kruskal–Wallis test were used for statistical analysis. Multiple regression analysis was used for multivariate analysis. Results: NRS pain score was statistically significantly higher in the LA group than in the TAP group 1 h after surgery in overall (P = 0.04), with NRS difference of 0.4 which was not clinically significant. No significant differences were observed in NRS pain scores at 3, 6, 12, and 24 h after surgery or in the frequency of analgesic use up to 24 h after surgery in overall and by type of surgery. Endometriosis was associated with increased postoperative pain at 1 h after surgery in adnexal surgeries (P = 0.04) and suggestive for all surgeries. Younger age was related to more frequency of analgesic use up to 24 h after surgery in overall, adnexal surgeries, and hysterectomy. Conclusion: Intraoperative levobupivacaine LA may have similar postoperative analgesic effects as TAP block in gynecologic laparoscopy.


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