期刊
MEDICINE
卷 95, 期 9, 页码 -出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000002867
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Gonadotropin induces masculinization and spermatogenesis in men with congenital hypogonadotropic hypogonadism (CHH). However, large cohort studies for the efficacy and reliable predictors of this therapy need to be conducted. The aim of this study was to investigate the efficacy of gonadotropin treatment in a large cohort of male CHH patients and analyze putative predictors for successful spermatogenesis. This retrospective study included 223 CHH azoospermic patients without puberty development treated between 2005 and 2014. All patients received combined human chorionic gonadotropin (HCG) and human menopausal gonadotropin (HMG) and were followed up for > 6 months (5109 person-months). Serum total testosterone level, testicular size, spermatogenesis, and pregnancy outcome were recorded at each visit. After gonadotropin therapy, testicular size was enlarged from 2.1 +/- 1.6 to 8.1 +/- 4.6mL (P< 0.001) and serum total testosterone was elevated from 0.9 +/- 0.5 to 15.1 +/- 8.2 nmol/L (P< 0.001). Spermatogenesis (> 0/mL) occurred at a median period of 15 months (95% confidence interval 13.5-16.5). Larger basal testicular volume (P = 0.012) and noncryptorchidism history (P = 0.028) are independent predictors for earlier sperm appearance. Sixty four percent (143/223) of patients succeeded in producing sperms and the average time for initial sperm detection was 14 +/- 8 months. However, their sperm concentrations (11.7 [2.1, 24.4] million/mL) and sperm progressive motility (A+B 36.9% +/- 20.2%) are significantly lower than World Health Organization standards. Of the 34 patients who desired for fathering children, 19 patients impregnanted their partners during the treatment. Gonadotropin therapy induces spermatogenesis in male CHH patients. A larger basal testicular size and noncryptorchidism history are favorable indicators for earlier spermatogenesis.
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