Epidemiology of benign prostatic hyperplasia: present knowledge and studies needed

Area of Science:

• Urology
• Epidemiology
• Gerontology

Background:

• Benign prostatic hyperplasia (BPH) is a highly prevalent condition in aging men, observed in 88% of autopsies in men over 80.
• Despite its commonality, BPH epidemiology and risk factors beyond age, sex, and testicular function are not well-established.
• The direct link between aging and BPH, and the role of age-related hormonal changes, require further scientific validation.

Purpose of the Study:

• To highlight the significant knowledge gaps in the epidemiology of benign prostatic hyperplasia (BPH).
• To emphasize the need for increased epidemiologic research into BPH risk factors and incidence.
• To underscore the potential benefits of applying more rigorous epidemiologic methods to BPH research.

Main Methods:

• Review of existing autopsy data indicating high morphological prevalence of BPH in elderly males.
• Analysis of current understanding regarding BPH prevalence and incidence trends with age.
• Discussion of established and hypothesized risk factors for benign prostatic hyperplasia (BPH).

Main Results:

• Benign prostatic hyperplasia (BPH) prevalence increases significantly with age.
• Approximately 30% of men may require surgery for BPH based on current prevalence estimates.
• Limited certainty exists regarding specific risk factors for BPH, with male sex and advanced age being primary determinants.

Conclusions:

• Epidemiological research on benign prostatic hyperplasia (BPH) is underdeveloped despite its high prevalence.
• Further investigation is needed to confirm the association between aging, hormonal changes, and BPH development.
• Enhanced epidemiologic study of BPH could yield significant clinical insights, potentially improving prostate screening efficacy.