After 8 years of studying 656 men, none of testosterone-treated men died from cardiovascular events vs 19 without therapy. (2017)
From the article:
The researchers followed a group of men for eight years who had been on TTh [testosterone therapy] and compared them with another group of men who remained untreated for the same time period. They found there were only two deaths in the TTh group and neither was related to CV events. In the non-treated control group, there were 21 deaths, 19 of which were related to CV events. Furthermore, there were 26 non-fatal myocardial infarctions and 30 non-fatal strokes in the control group but none in the T-treated group.
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According to the researchers, long-term TTh [testosterone therapy] in men with hypogonadism appears to be an effective approach to achieve sustained improvements in cardiometabolic function and reduces the risk of CV events. “The low CV events observed in the T-group compared to the untreated (control) group strongly suggest that TTh is protective. We believe that the protective effect of T on the CV system provides clinicians with the opportunity to utilize this approach for secondary prevention for hypogonadal men with a history of CV events,” explained corresponding author Abdulmaged M. Traish, PhD, professor of biochemistry and urology at BUSM.