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The effects of ejaculation on serum prostate specific antigen
N R Netto1, F Apuzzo, E de Andrade
1Division of Urology, Hospital Beneficência Portuguesa, São Paulo, Brazil.
The Journal of Urology
|April 1, 1996
Summary
Ejaculation does not significantly affect prostate specific antigen (PSA) levels in men with benign prostatic hyperplasia. This finding supports the continued use of PSA testing for prostate cancer screening in sexually active individuals.
Area of Science:
- Urology
- Oncology
- Andrology
Background:
- Prostate specific antigen (PSA) is a key biomarker for prostate cancer diagnosis and monitoring.
- Benign prostatic hyperplasia (BPH) is a common condition in aging men, often accompanied by lower urinary tract symptoms.
- The impact of ejaculation on PSA levels has been a subject of clinical interest, particularly for men with an active sexual life.
Purpose of the Study:
- To evaluate the correlation between ejaculation and serum PSA levels in men diagnosed with symptomatic benign prostatic hyperplasia and an active sexual life.
- To determine if sexual activity influences PSA measurements, potentially affecting prostate cancer screening or monitoring.
- To clarify the physiological relationship between ejaculation and PSA in the context of BPH.
Main Methods:
- A cohort of 40 men aged 50-60 with symptomatic BPH and active sexual lives underwent serum PSA testing.
- PSA levels were measured before ejaculation and at 1 and 7 days post-ejaculation.
- Results were compared to a control group of 10 asymptomatic men within the same age range.
Main Results:
- No statistically significant differences were observed in PSA levels before and after ejaculation within the BPH group.
- PSA levels did not differ significantly between the BPH group and the asymptomatic control group.
- These findings indicate no discernible physiological relationship between ejaculation and PSA levels in this study population.
Conclusions:
- Sexual activity, including ejaculation, does not appear to significantly alter PSA levels in men with symptomatic BPH.
- The study concludes that PSA testing remains a reliable tool for prostate cancer screening in sexually active men.
- These results support current clinical guidelines regarding PSA screening protocols in the presence of regular sexual activity.