Related Experiment Video
Updated: Jul 13, 2026

Combined Supine and Standing Imaging for Varicocele: An Improved Diagnostic Approach
Published on: November 22, 2024
Is varicocele prevalence increasing with age?
1Department of Medicine B, Rabin Medical Center, Petah Tikqa and Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Insights
Varicocele, a vein condition, impairs testosterone production and accelerates male aging. Effective treatment can reverse these effects, potentially slowing the aging process.
Area of Science:
- Urology
- Andrology
- Vascular Biology
Background:
- Varicocele is a common vascular disease affecting testicular venous drainage.
- Malfunctioning valves in spermatic veins cause abnormal blood flow and pressure.
- This leads to Leydig cell hypoxia and reduced testosterone production.
Purpose of the Study:
- To investigate the impact of varicocele on testosterone production.
- To analyze the prevalence of varicocele with age.
- To explore the potential of varicocele treatment in mitigating male aging.
Main Methods:
- Fluid-mechanics analysis to understand blood flow dynamics.
- Assessment of hydrostatic pressure in the testicular venous microcirculatory system.
- Correlation of varicocele prevalence with age and testosterone levels.
Main Results:
- Varicocele creates pathological hydrostatic pressure, reversing normal pressure gradients.
- This results in persistent hypoxia in Leydig cells, decreasing testosterone production.
- Varicocele prevalence increases with age, reaching 75% by the eighth decade.
Conclusions:
- Bilateral varicocele significantly reduces testosterone production.
- Varicocele treatment effectively restores testosterone levels.
- Varicocele may accelerate male aging, and its treatment could potentially retard this process.
Abstract:
Varicocele is a bilateral vascular disease which occurs when the one-way valves in the internal spermatic veins, the testicular venous drainage system, malfunction. Based on new findings and fluid-mechanics analysis we showed that this process results in vertical blood columns, which cause pathological hydrostatic pressure in the testicular venous microcirculatory system. Ultimately, these pressures exceed the pressure in the arteriolar system. This unique phenomenon of reversal of pressures gradient between the arteriolar and venular systems leads to persistent hypoxia in the testosterone production site, namely, the Leydig cells. The result of bilateral varicocele is decreased testosterone production. Adequate treatment of bilateral varicocele significantly elevates the testosterone production. We found that the prevalence of varicocele increases with age with a rise of about 10% for each decade of life with the incidence reaching 75% in the eight decade of life. Based on our findings the following statements can be made: (1) varicocele prevalence is increased over time. (2) The rise of the incidence is about 10% for each decade of life. (3) 75% of men in the eight decade of their life have varicocele. As varicocele decreases testosterone production and it is reversible by appropriate treatment, it raises two interesting and important issues to be studied: (i) it is possible that varicocele accelerates the process of the ageing male. (ii) It is possible to retard, at least partially, the process of ageing in men by adequate treatment of bilateral varicocele.
Related Concept Videos
Varicose Veins I: Introduction
Disorders of the Male Reproductive System
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Varicose Veins II: Diagnostic Studies and Interprofessional Care
Infertility in Males
Esophageal Varices-I: Introduction
Changes in the Appendicular Skeleton with Age
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...

