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Objective <p>To investigate the clinical efficacy of levonorgestrel-releasing intrauterine system (LNG-IUS) tail anchoring to the superficial myometrium under hysteroscopic direct vision.</p> Methods <p>From March 1, 2017, to March 1, 2022, 206 patients at the Third Xiangya Hospital of Central South University who had a history of at least one LNG-IUS expulsion and who required replacement of the LNG-IUS were retrospectively analyzed. Patients were divided into a common placement group and an anchoring group according to the placement method used for the LNG-IUS. Between-group comparisons of the re-expulsion rate and adverse reactions were performed, and the clinical efficacy of anchoring was evaluated. The patients in the anchoring group were divided into short-tail and long-tail groups on the basis of the length of the tail.</p> Results <p>After propensity score matching (PSM), the re-expulsion rate was 18.87% for the anchoring group and 43.40% for the common placement group. There was a significant difference in re-expulsion rates between the two groups (<i>P</i>&lt; 0.05), with the anchoring group having a significantly lower rate than the common placement group. Additionally, the re-expulsion rate of the long-tail group (6.90%) was significantly lower than that of the short-tail group (28.77%) (<i>P</i>&lt; 0.05). The use of anchoring surgery did not lead to a higher incidence of uterine perforation or infection.</p> Conclusions <p>For patients with a history of levonorgestrel-releasing intrauterine system expulsion, anchoring the LNG-IUS tail in the superficial uterine myometrium under hysteroscopy can effectively prevent re-expulsion and significantly reduce the re-expulsion rate, especially when the long tail anchoring method is used. This technique is efficacious and warrants widespread adoption.</p>

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Clinical efficacy analysis of LNG-IUS tail anchoring to the superficial myometrium under hysteroscopic direct vision

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月13日

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  • Qiaofen Li,
  • Zongyan Huang,
  • Huimin Xiang,
  • Peilin Chen,
  • Shiying Wu,
  • Weiwei Hu,
  • Songshu Xiao

摘要

Objective

To investigate the clinical efficacy of levonorgestrel-releasing intrauterine system (LNG-IUS) tail anchoring to the superficial myometrium under hysteroscopic direct vision.

Methods

From March 1, 2017, to March 1, 2022, 206 patients at the Third Xiangya Hospital of Central South University who had a history of at least one LNG-IUS expulsion and who required replacement of the LNG-IUS were retrospectively analyzed. Patients were divided into a common placement group and an anchoring group according to the placement method used for the LNG-IUS. Between-group comparisons of the re-expulsion rate and adverse reactions were performed, and the clinical efficacy of anchoring was evaluated. The patients in the anchoring group were divided into short-tail and long-tail groups on the basis of the length of the tail.

Results

After propensity score matching (PSM), the re-expulsion rate was 18.87% for the anchoring group and 43.40% for the common placement group. There was a significant difference in re-expulsion rates between the two groups (P< 0.05), with the anchoring group having a significantly lower rate than the common placement group. Additionally, the re-expulsion rate of the long-tail group (6.90%) was significantly lower than that of the short-tail group (28.77%) (P< 0.05). The use of anchoring surgery did not lead to a higher incidence of uterine perforation or infection.

Conclusions

For patients with a history of levonorgestrel-releasing intrauterine system expulsion, anchoring the LNG-IUS tail in the superficial uterine myometrium under hysteroscopy can effectively prevent re-expulsion and significantly reduce the re-expulsion rate, especially when the long tail anchoring method is used. This technique is efficacious and warrants widespread adoption.