Efficacy of combined levonorgestrel-releasing intrauterine system with gonadotropin-releasing hormone analog for the treatment of adenomyosis

Zhang, P.; Song, K.; Li, L.; Yukuwa, K.; Kong, B.

Medical Principles and Practice International Journal of the Kuwait University Health Science Centre 22(5): 480-483

2013


ISSN/ISBN: 1423-0151
PMID: 23796720
DOI: 10.1159/000351431
Document Number: 581108
To evaluate the clinical outcomes of gonadotropin-releasing hormone analog (GnRHa) combined with implantation of a levonorgestrel-releasing intrauterine system (LNG-IUS) in adenomyosis patients with significantly enlarged uteruses. Twenty-one adenomyosis patients whose uterine volumes were greater in size than at 12 weeks' gestation were recruited for the study. Subcutaneous injection of GnRHa was administrated at an interval of 28 days for a total of 3-4 cycles when uterine length was determined to be less than 10 cm by ultrasound measurement. At 3, 6 and 12 months after LNG-IUS implantation, follow-up was performed to document the clinical values such as uterine volume, degree of dysmenorrhea and menstrual flow. Twelve months after implantation, the menstrual flow was significantly lower than baseline values (53.8 ± 11.7 vs. 100, p = 0.03). The degree of dysmenorrhea (pain) was relieved 12 months after implantation (58.2 ± 11.5 vs. 93.7 ± 0.2, p = 0.005). Uterine volume was also below pre-GnRHa levels after implantation (276.6 ± 32.1 vs. 311.4 ± 32.3, p = 0.005). LNG-IUS was expelled in 3 patients, giving an expulsion rate of 14%. Side effects of GnRHa combined with LNG-IUS implantation were few. The findings indicate that combined GnRHa and LNG-IUS treatment was efficacious in patients with enlarged adenomyosis.

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