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Immunologic considerations before and after vasovasostomy.

E F Fuchs, N J Alexander

    Fertility and Sterility
    |October 1, 1983
    PubMed
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    This study investigated antisperm antibodies in men after vasectomy reversal. While levels of some antibodies remained stable, others increased post-surgery, impacting fertility outcomes.

    Area of Science:

    • Reproductive immunology
    • Urology
    • Andrology

    Background:

    • Vasectomy is a common form of male contraception.
    • Vasovasostomy is a surgical procedure to reverse vasectomy.
    • Antisperm antibodies can form after vasectomy and may affect fertility.

    Purpose of the Study:

    • To determine the incidence and significance of antisperm antibodies in men undergoing vasovasostomy.
    • To assess changes in antibody levels before and after vasovasostomy.
    • To evaluate the relationship between antibody levels and pregnancy rates.

    Main Methods:

    • Prospective study design.
    • Inclusion of 160 men undergoing vasovasostomy.
    • Measurement of serum sperm-agglutinating antibody (SSAA), serum sperm-immobilizing antibody (SSIA), and seminal plasma sperm-agglutinating antibody (SPSAA) pre- and post-operatively.
    Keywords:
    Antibodies--analysisBiologyDemographic FactorsFamily PlanningFertilityFertility MeasurementsGenitaliaGenitalia, MaleImmunityImmunologic FactorsIncidenceMeasurementPhysiologyPopulationPopulation DynamicsPregnancy RateProspective StudiesResearch MethodologyReversibilityReversible SterilizationSemen--analysisSeminal VesiclesSterilization ReversalSterilization, SexualStudiesUrogenital SystemVas Reanastomosis

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    Main Results:

    • Preoperative antibody incidence: SSAA (63%), SSIA (37%), SPSAA (3%).
    • Postoperative antibody incidence showed no significant change in SSAA or SSIA levels.
    • SPSAA incidence increased postoperatively (7% preop vs. 16% postop).
    • Detectable antibody levels were associated with significant differences in spouse pregnancy rates.

    Conclusions:

    • Vasovasostomy does not significantly alter the incidence of serum antisperm antibodies (SSAA, SSIA).
    • Seminal plasma sperm-agglutinating antibody (SPSAA) incidence increases after vasovasostomy.
    • The presence of antisperm antibodies correlates with fertility outcomes following vasovasostomy.