Feasibility and Effectiveness of Hysteroscopic Suture Fixation of the Levonorgestrel-Releasing Intrauterine System in the Treatment of Adenomyosis.

STUDY OBJECTIVE: To evaluate the feasibility and effectiveness of hysteroscopic suture fixation of the levonorgestrel-releasing intrauterine system (LNG-IUS) for the treatment of adenomyosis.

DESIGN: A retrospective case series.

SETTING: Two teaching hospitals with the technology of hysteroscopic suture fixation of the LNG-IUS.

PATIENTS: The study reviewed 79 adenomyosis patients who received the hysteroscopic suture fixation of the LNG-IUS from January 2021 to May 2022.

INTERVENTION: Hysteroscopic suture fixation of the LNG-IUS to the posterior uterine wall with nondissolvable suture.

MEASUREMENTS AND MAIN RESULTS: All patients underwent one-year postoperative follow-up to evaluate the LNG-IUS expulsion rate, postoperative efficacy, and side effects. Two patients (2.6%) experienced expulsion of the LNG-IUS at 8 months and 12 months postoperatively, respectively. The visual analog pain scale, pictorial blood loss assessment chart score and carbohydrate antigen 125 markedly decreased after the suture fixation of the LNG-IUS compared with baseline in all patients (p <.001). Hemoglobin increased significantly (p <.001). The most common side effect was irregular bleeding, which accounted for 44.3%. The second common side effect was weight gain, which accounted for 29.2%. The composite effectiveness based on pain and bleeding showed that the effective treatment rates at 1, 3, 6, and 12 months after surgery were 92.4%, 97.4%, 96.2%, and 97.4% respectively.

CONCLUSIONS: Hysteroscopic suture fixation of the LNG-IUS to the uterine fundus was associated with low expulsion rates and significantly improved dysmenorrhea and bleeding.