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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
Decreased testosterone, DHT and estradiol were associated with higher mortality in men.
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<blockquote data-quote="Nelson Vergel" data-source="post: 75111" data-attributes="member: 3"><p><strong>Temporal Changes in Androgens and Estrogens Are Associated With All-Cause and Cause-Specific Mortality in Older Men.</strong></p><p>Hsu B, et al. J Clin Endocrinol Metab. 2016.</p><p></p><p></p><p>Abstract</p><p>CONTEXT: The dynamic temporal relationship between changes in serum reproductive hormones and mortality in men has not been reported.</p><p></p><p>OBJECTIVE: The objective of the study was to examine the relationship between progressive changes in circulating reproductive hormones over time with all-cause and cause-specific mortality in older men.</p><p></p><p>DESIGN, SETTING, AND PARTICIPANTS: Community-dwelling men aged 70 years and older from the Concord Health and Ageing in Men Project study were assessed at baseline (2005-2007, n = 1705) and at 2-year (n = 1367) and 5-year follow-up (n = 958).</p><p></p><p>MAIN OUTCOMES AND MEASURES: At all three time-points, T, DHT, estradiol (E2), and estrone (E1) were measured by liquid chromatography-tandem mass spectrometry, and SHBG, LH, and FSH were determined by immunoassay and calculated free T (cFT) was calculated. Mortality was ascertained through the state death registry. Statistical modeling was by general estimating equations with the Poisson regression.</p><p></p><p>RESULTS: Serum T over time (relative risk [RR] per 1 SD decrease in concentration: 1.18, 95% confidence interval [CI] 1.05-1.32), DHT (RR 1.17, 95% CI 1.05-1.32), and E2 (RR 1.46, 95% CI 1.30-1.63) as well as cFT (RR 1.27, 95% CI 1.13-1.41) was associated with all-cause mortality. After adjusting for multiple covariables, the decline in serum T (RR 1.17, 95% CI 1.03-1.32), DHT (RR 1.17, 95% CI 1.03-1.32), and cFT (RR 1.13, 95% CI 1.08-1.19) remained significantly associated with all-cause mortality. Similar relationships were observed for cancer but not cardiovascular mortality. Progressive decline in serum E2 levels remained significantly associated with all-cause (RR 1.49, 95% CI 1.31-1.69), cancer (RR 1.82, 95% CI 1.45-2.28), and cardiovascular (RR 1.37, 95% CI 1.13-1.66) mortality, even after adjustment for covariables. Serum E1, LH, FSH, and SHBG were not associated with all-cause, cancer, or cardiovascular mortality.</p><p></p><p>CONCLUSION:<strong> Dynamic temporal changes in serum T, cFT, DHT, and E2 (but not E1, LH, FSH, and SHBG) in older men are associated with all-cause and cause-specific mortality in distinct patterns.</strong></p></blockquote><p></p>
[QUOTE="Nelson Vergel, post: 75111, member: 3"] [B]Temporal Changes in Androgens and Estrogens Are Associated With All-Cause and Cause-Specific Mortality in Older Men.[/B] Hsu B, et al. J Clin Endocrinol Metab. 2016. Abstract CONTEXT: The dynamic temporal relationship between changes in serum reproductive hormones and mortality in men has not been reported. OBJECTIVE: The objective of the study was to examine the relationship between progressive changes in circulating reproductive hormones over time with all-cause and cause-specific mortality in older men. DESIGN, SETTING, AND PARTICIPANTS: Community-dwelling men aged 70 years and older from the Concord Health and Ageing in Men Project study were assessed at baseline (2005-2007, n = 1705) and at 2-year (n = 1367) and 5-year follow-up (n = 958). MAIN OUTCOMES AND MEASURES: At all three time-points, T, DHT, estradiol (E2), and estrone (E1) were measured by liquid chromatography-tandem mass spectrometry, and SHBG, LH, and FSH were determined by immunoassay and calculated free T (cFT) was calculated. Mortality was ascertained through the state death registry. Statistical modeling was by general estimating equations with the Poisson regression. RESULTS: Serum T over time (relative risk [RR] per 1 SD decrease in concentration: 1.18, 95% confidence interval [CI] 1.05-1.32), DHT (RR 1.17, 95% CI 1.05-1.32), and E2 (RR 1.46, 95% CI 1.30-1.63) as well as cFT (RR 1.27, 95% CI 1.13-1.41) was associated with all-cause mortality. After adjusting for multiple covariables, the decline in serum T (RR 1.17, 95% CI 1.03-1.32), DHT (RR 1.17, 95% CI 1.03-1.32), and cFT (RR 1.13, 95% CI 1.08-1.19) remained significantly associated with all-cause mortality. Similar relationships were observed for cancer but not cardiovascular mortality. Progressive decline in serum E2 levels remained significantly associated with all-cause (RR 1.49, 95% CI 1.31-1.69), cancer (RR 1.82, 95% CI 1.45-2.28), and cardiovascular (RR 1.37, 95% CI 1.13-1.66) mortality, even after adjustment for covariables. Serum E1, LH, FSH, and SHBG were not associated with all-cause, cancer, or cardiovascular mortality. CONCLUSION:[B] Dynamic temporal changes in serum T, cFT, DHT, and E2 (but not E1, LH, FSH, and SHBG) in older men are associated with all-cause and cause-specific mortality in distinct patterns.[/B] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
Decreased testosterone, DHT and estradiol were associated with higher mortality in men.
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