Effect of Varicocele and Its Treatment on Testosterone in Hypogonadal Men with Varicocele: Review of the Literature.
Level 5 - mechanism / opinion, no new human data
Narrative literature review without systematic search or meta-analytic pooling
PubMed 32070086 · doi:10.4274/balkanmedj.galenos.2020.2020.1.85
What was done
This narrative review synthesized published literature assessing the impact of varicoceles on Leydig cell function and total plasma testosterone levels, comparing varicocele repair (specifically microsurgical repair) with exogenous testosterone replacement therapy in hypogonadal men.
What was found
No numerical data, effect sizes, sample sizes, or statistical metrics are reported in the abstract. The authors state that clinical studies suggest varicocele repair may increase serum testosterone levels in hypogonadal men with clinically palpable varicoceles while preserving fertility status.
Why it matters
Varicocele repair may serve as a non-pharmacologic intervention to improve endogenous testosterone production without causing the spermatogenic suppression associated with exogenous testosterone replacement therapy.
Limits
This is a narrative review rather than a systematic review or meta-analysis, lacking predefined search criteria, risk-of-bias evaluation, and quantitative synthesis. The abstract contains no empirical data or effect estimates, and the authors note that further research is required to clarify mechanisms and therapeutic efficacy.
Cited by
- supports A varicocele impairs testicular thermoregulation and significantly impedes local testosterone production and fertility.