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Endocrine evaluation in infertile men with varicocele.
Andrologia
|September 1, 1981
Summary
Varicocele in infertile men affects hormone levels, showing reduced testosterone and altered gonadotropin responses, suggesting Leydig cell deficiency and impacting fertility.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Urology
Background:
- Varicocele is a common cause of male infertility.
- Hormonal imbalances may contribute to varicocele-associated infertility.
Purpose of the Study:
- To investigate hormonal secretion patterns in infertile men with varicocele.
- To compare hormonal levels with control groups.
Main Methods:
- Assessed steroidal and gonadotropic secretion in infertile men with varicocele.
- Compared hormonal values (prolactin, FSH, LH, testosterone, estradiol) with control groups.
- Evaluated hormonal responses to gonadotropin-releasing hormone (LH-RH).
Main Results:
- No significant difference in prolactin secretion between groups.
- Elevated basal follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in some patients.
- Exaggerated gonadotropic response to LH-RH in a subset of patients.
- Reduced basal testosterone and estradiol levels observed in some cases.
- Depressed testosterone response to LH-RH in men with varicocele.
- Significant correlations found between FSH, LH, testosterone, and estradiol.
Conclusions:
- Findings suggest both testicular tubular and interstitial tissue involvement in varicocele.
- Results support the hypothesis of Leydig cell dysfunction in varicocele-related infertility.
- Hormonal alterations indicate a potential impact on sperm production and male fertility.