Journal
INTERNATIONAL JOURNAL OF ANDROLOGY
Volume 30, Issue 6, Pages 531-536Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1365-2605.2007.00747.x
Keywords
inhibin B; male infertility; sclerotherapy; semen parameters; varicocele
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The usefulness of treating varicocele in order to improve fertility is still a matter of debate. The aim of this study was to evaluate variations in seminal parameters and inhibin B concentrations in a group of males affected by varicocele and treated by percutaneous retrograde sclerotherapy in comparison with a group of patients who did not undergo varicocele treatment. Thirty-eight patients with left varicocele underwent spermatic vein phlebography and percutaneous retrograde sclerotherapy with hydroxy-polyaethoxy-dodecanol. Serum inhibin B, follicle-stimulating hormone (FSH), testosterone levels and seminal parameters (sperm concentration, motility and morphology) were performed before and 6 months after sclerotherapy. Forty patients with left varicocele who did not undergo sclerotherapy were studied as controls. A significant increase (p < 0.01) in serum inhibin B levels and a significant decrease (p < 0.05) in FSH levels were observed 6 months after treatment. Semen analysis showed a significant improvement in sperm concentration (p < 0.05) and progressive motility (p < 0.01) after treatment. In control group no significant variations in hormonal and seminal parameters were observed 6 months after the basal examination. Six months after the basal evaluation, inhibin B levels were significantly higher in treated subjects than in controls (p < 0.05) whereas FSH levels were significantly lower (p < 0.05). Sperm concentration and progressive motility were significantly increased (p < 0.05 and p < 0.001, respectively) in treated subjects in comparison with controls. In conclusion, varicocele sclerotherapy improves inhibin B levels and seminal parameters, confirming the positive effect of this treatment on spermatogenesis and Sertoli cell function.
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