Abstract
Purpose
Here, we compared endometrioma recurrence rates in patients who have undergone a laparoscopic cystectomy and treated with a gonadotropin-releasing hormone agonist (GnRHa) alone or a GnRHa combined with a levonogestrel intrauterine system (LND-IUS).
Methods
We enrolled endometrioma patients who underwent laparoscopic cyst enucleation and divided them into two groups according to postoperative management: GnRHa alone and GnRHa in combination with LND-IUS. We compared preoperative history, perioperative parameters, postoperative endometrioma recurrence, and symptoms between these two groups.
Results
A total of 320 patients were included in the final analysis. With a median 84.6 months of follow-up, we detected significant differences between the two groups with respect to age at surgery (31.6 ± 4.8 vs. 37.6 ± 4.2 years, χ2 = 1.978, p < 0.001), gravida (0 vs. 2, χ2 = 4.391, p < 0.001), parity (0 vs. 1, χ2 = 0.035, p < 0.001), body mass index (21.0 ± 2.5 vs. 21.9 ± 2.4, χ2 = 0.0096, p = 0.009), r-AFS score (48 vs. 64, χ2 = 4.888, p = 0.001), and operation time (60 vs. 75 min, χ2 = 9.119, p = 0.003). Patients treated with both GnRHa and LND-IUS achieved significantly less endometrioma recurrence (23.6 vs. 11.5%, χ2 = 5.202, p = 0.023) and higher rates of pain remission (92.1 vs. 100%, χ2 = 6.511, p = 0.011), while those with GnRHa alone suffered more recurrent and painful symptoms (χ2 = 9.280, p = 0.026). Multivariate analysis using a Cox regression demonstrated that combined GnRHa and LNG-IUS treatment correlated with a decreased endometrioma recurrence rate after laparoscopic cystectomy (RR 0.369, 95% CI 0.182–0.749, p = 0.006).
Conclusions
Combination treatment of GnRHa and LNG-IUS exhibited superior pain relief and recurrence prevention among endometrioma patients after fertility-sparing surgery. Thus, combination treatment is a preferable long-term option for patients without intent for pregnancy in the near future.
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Acknowledgements
We appreciate the staff for their arduous work maintaining the medical records used in the study and the National Natural Science Foundation of China for the project (no. 81501237).
Funding
This work was supported by the National Natural Science Foundation of China (no. 81501237).
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S-YZ and X-YL contributed to protocol development, data analysis, and manuscript writing. Y-SW and JZ collected the data. Z-YG and YD performed data management. S-ZJ analyzed the data. J-HS contributed to data collection or management and data analysis. J-HL is the responsible surgeon.
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This study was approved by the Ethics Committee of Peking Union Medical College Hospital (IRB No. SK730).
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This research study was conducted retrospectively according to medical record data obtained during hospitalization. We consulted extensively with the IRB of Peking Union Medical College Hospital (PUMCH) who determined that our study did not require informed consent.
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Zhu, SY., Wu, YS., Gu, ZY. et al. Preventive therapeutic options for postoperative recurrence of ovarian endometrioma: gonadotropin-releasing hormone agonist with or without levonorgestrel intrauterine system insertion. Arch Gynecol Obstet 303, 533–539 (2021). https://doi.org/10.1007/s00404-020-05843-5
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DOI: https://doi.org/10.1007/s00404-020-05843-5