Journal of International Obstetrics and Gynecology ›› 2024, Vol. 51 ›› Issue (3): 297-301.doi: 10.12280/gjfckx.20240105

• Gynecological Disease & Related Research: Original Article • Previous Articles     Next Articles

Learning Curve of Laparoscope Radical Adenomyosis Resection by Temporary Uterine Artery Blocking

REN Yi-wen, LI Yong(), LI Fei-yan, ZHU Cong-xin   

  1. Nanjing Medical University, Changzhou Medical Center, Changzhou Maternal and Child Health Hospital, Changzhou 213000, Jiangsu Province, China
  • Received:2024-01-26 Published:2024-06-15 Online:2024-06-25
  • Contact: LI Yong E-mail:liyisheng2013@qq.com

Abstract:

Objective: To investigate the learning curve of radical adenomyosis resection by temporary uterine artery blocking via laparoscopy. Methods: Retrospectively analysis on the clinical data of 151 patients who underwent laparoscopic radical adenomyosis resection by temporarily uterine artery blocking from December 2015 to August 2023 in Changzhou Maternal and Child Health Hospital was conducted. The learning curve was drawn by cumulative sum analysis (CUSUM), and the whole process was divided into improvement stage (47 cases) and proficiency stage (104 cases) based on the cut-off point of the curve. Clinical data and surgical results were analyzed. Results: The fitting curve equation for the surgical time series was ?=-27.17ln(x)+330.74(x=cases number) based on the patients′ operation time and surgery cases number. The optimal fitting curve equation for CUSUM curve was ?=-0.005x3-1.387x2+98.643x-253.571 (x=cases number, the optimal fitting coefficient R2=0.931, P<0.05), when the cumulative number of cases reached to 48, requirement for proficiency stage will be achieved. The operation time [(263.72±38.07) min vs. (201.65±48.03) min, P<0.001], persistent postoperative fever rate (40.43% vs. 22.12%, P=0.020) and body temperature [38.0 (37.8, 38.1) ℃ vs. 37.7 (37.5, 38.0) ℃, P=0.002] were higher for patients in improvement stage than those in proficiency stage. There was no significant difference of postoperative hemoglobin level and the difference of hemoglobin before and after operation between the two stages (P>0.05). Conclusions: Intraoperative blood loss was controlled effectively by temporary uterine artery blocking. The surgeon needs to complete approximately 48 laparoscopic surgery cases for radical adenomyosis resection via temporary uterine artery blocking before technical proficiency was achieved and sustained surgical skill was required for reduction of infection risk.

Key words: Adenomyosis, Laparoscopes, Uterine myomectomy, Tourniquets, Learning curve, Temporary uterine artery blocking