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Testosterone and the heart.

¹Consultant Urologist, Heartlands Hospital, Birmingham, UK. geoff.hackett@virgin.net

International Journal of Clinical Practice

|June 16, 2012

Summary

This summary is machine-generated.

Low testosterone levels are linked to higher cardiovascular mortality in men, particularly those with type 2 diabetes. Testosterone replacement therapy may offer cardiovascular benefits and improve well-being.

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Area of Science:

Endocrinology
Cardiology
Metabolic Health

Background:

Large studies indicate increased cardiovascular mortality in men with low testosterone, especially those with cardiovascular disease and type 2 diabetes.
Variations in findings may stem from cohort differences in age, obesity, and metabolic syndrome.
Low testosterone is prevalent in at-risk patient groups but often underdiagnosed and undertreated.

Purpose of the Study:

To review the association between testosterone levels and cardiovascular outcomes.
To evaluate the benefits of testosterone replacement therapy (TRT) on cardiovascular risk factors and patient well-being.
To highlight the underutilization of TRT in at-risk populations.

Main Methods:

Review of large-scale observational studies and smaller intervention trials.
Analysis of testosterone levels (total, free, bioavailable) and their correlation with cardiovascular events.
Assessment of TRT effects on metabolic parameters, body composition, sexual function, and mood.

Main Results:

Low testosterone is associated with increased cardiovascular mortality, particularly in men with comorbid conditions.
TRT demonstrates consistent benefits, including reduced insulin resistance, improved lipid profiles (lower LDL-cholesterol, triglycerides), decreased HbA1c, and reduced inflammatory markers.
TRT leads to significant reductions in visceral and lean fat mass, alongside improvements in sexual function, mood, and quality of life scores.

Conclusions:

Physiological testosterone replacement shows potential cardiovascular benefits and is associated with reduced cardiovascular mortality in early non-randomized studies.
The combined effect of TRT on surrogate cardiovascular risk markers is considerable, with significant improvements in patient well-being.
Underdiagnosis and undertreatment of testosterone deficiency persist due to interdisciplinary challenges and reluctance to manage the condition.