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Related Experiment Videos

Male hyperprolactinemia:effects on fertility.

S Segal, H Yaffe, N Laufer

    Fertility and Sterility
    |November 1, 1979
    PubMed
    Summary

    Hyperprolactinemia affects 4% of infertile men, causing hypogonadism and impotence. Bromocriptine treatment effectively resolved symptoms in all patients, restoring reproductive health.

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    Area of Science:

    • Endocrinology
    • Reproductive Medicine
    • Urology

    Background:

    • Hyperprolactinemia, elevated prolactin levels, is a recognized cause of infertility in men.
    • It can manifest with symptoms including hypogonadism, impotence, and galactorrhea.
    • The etiologies are diverse, ranging from pituitary adenomas to drug-induced conditions and idiopathic causes.

    Purpose of the Study:

    • To investigate the prevalence and clinical manifestations of hyperprolactinemia in infertile men.
    • To identify the underlying causes of hyperprolactinemia in this cohort.
    • To evaluate the efficacy of bromocriptine treatment for male hyperprolactinemia and associated infertility.

    Main Methods:

    • Sellar polytomography, visual field examinations, and comprehensive hormone assays were utilized for patient investigation.
    • Semen analysis and testicular biopsies were performed to assess reproductive function.
    • Treatment involved bromocriptine (Parlodel), with adjunctive therapies including human menopausal gonadotropin and human chorionic gonadotropin where indicated.

    Main Results:

    • Hyperprolactinemia was identified in 4% (7 of 171) of infertile men.
    • Clinical presentations included infertility, hypogonadism, impotence, and galactorrhea.
    • Testicular biopsies revealed varied spermatogenesis, with some tubules showing damage or fibrosis.
    • Bromocriptine treatment achieved satisfactory results in all patients.
    • Combination therapy proved beneficial for hypogonadotropic hypogonadism with hyperprolactinemia.

    Conclusions:

    • Male hyperprolactinemia is a significant factor contributing to infertility, hypogonadism, and impotence.
    • Diagnostic workup should include neuroimaging, hormonal assays, and reproductive assessments.
    • Bromocriptine is a highly effective treatment for male hyperprolactinemia, with combination therapy useful for specific hypogonadal states.

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