2014 Study: Low-T Drugs May Triple Heart Attack Risk

Association of Testosterone Therapy With Mortality, Myocardial Infarction, and Stroke in Men With Low Testosterone Levels

JAMA Study: Association of Testosterone Therapy With Mortality, Myocardial Infarction, and Stroke in Men With Low Testosterone LevelsJAMA Testosterone Therapy Study (PDF File)

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Millions of Men at Potential Risk for Fatal Harm Due to Unnecessary ‘Low T’ Therapy

If you, or a loved one, have been prescribed any of the following low testosterone drugs, you may be entitled to compensation, and should speak to an attorney about your legal rights.
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Importance
Rates of testosterone therapy are increasing and the effects of testosterone therapy on cardiovascular outcomes and mortality are unknown. A recent randomized clinical trial of testosterone therapy in men with a high prevalence of cardiovascular diseases was stopped prematurely due to adverse cardiovascular events raising concerns about testosterone therapy safety.

Objectives
To assess the association between testosterone therapy and all-cause mortality, myocardial infarction (MI), or stroke among male veterans and to determine whether this association is modified by underlying coronary artery disease.

Design, Setting, and Patients
A retrospective national cohort study of men with low testosterone levels (

Main Outcomes and Measures
Primary outcome was a composite of all-cause mortality, MI, and ischemic stroke.

Results
Of the 8709 men with a total testosterone level lower than 300 ng/dL, 1223 patients started testosterone therapy after a median of 531 days following coronary angiography. Of the 1710 outcome events, 748 men died, 443 had MIs, and 519 had strokes. Of 7486 patients not receiving testosterone therapy, 681 died, 420 had MIs, and 486 had strokes. Among 1223 patients receiving testosterone therapy, 67 died, 23 had MIs, and 33 had strokes.

At 3 years after coronary angiography, the Kaplan-Meier estimated cumulative percentages with events were 19.9% in the no testosterone therapy group vs 25.7% in the testosterone therapy group, with an absolute risk difference of 5.8% (95% CI, -1.4% to 13.1%). In Cox proportional hazards models adjusting for the presence of coronary artery disease, testosterone therapy use as a time-varying covariate was associated with increased risk of adverse outcomes (hazard ratio, 1.29; 95% CI, 1.04 to 1.58). There was no significant difference in the effect size of testosterone therapy among those with and without coronary artery disease (test for interaction, P?=?.41).

Conclusions and Relevance
Among a cohort of men in the VA health care system who underwent coronary angiography and had a low serum testosterone level, the use of testosterone therapy was associated with increased risk of adverse outcomes. These findings may inform the discussion about the potential risks of testosterone therapy.

Contributors and Researchers
Rebecca Vigen, MD, MSCS1; Colin I. O’Donnell, MS2,3; Anna E. Barón, PhD2,3; Gary K. Grunwald, PhD2,3; Thomas M. Maddox, MD, MSc2,3,4; Steven M. Bradley, MD, MPH2,3,4; Al Barqawi, MD3; Glenn Woning, MD3; Margaret E. Wierman, MD2,3; Mary E. Plomondon, PhD2,3,4; John S. Rumsfeld, MD, PhD2,3,4; P. Michael Ho, MD, PhD2,3,4

Author Affiliations
1The University of Texas at Southwestern Medical Center, Dallas
2VA Eastern Colorado Health Care System, Denver
3University of Colorado Denver, Aurora
4Colorado Cardiovascular Outcomes Research (CCOR) Consortium, Denver
JAMA. 2013;310(17):1829-1836. doi:10.1001/jama.2013.280386.

Source: The Journal of American Medical Association (JAMA)

Paul Lauricella (Google+)

2016-11-23T19:14:20+00:00 By |Categories: Personal Injury & Medical Malpractice|

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