Sex-steroid hormones and electrocardiographic qt-interval duration

Findings from the third national health and nutrition examination survey and the multi-ethnic study of atherosclerosis

Yiyi Zhang, Pamela Ouyang, Wendy S Post, Darshan Dalal, Dhananjay Vaidya, Elena Blasco-Colmenares, Elsayed Z. Soliman, Gordon F. Tomaselli, Eliseo Guallar

Research output: Contribution to journalArticle

Abstract

The association between physiologic levels of sex hormones and QT-interval duration in humans was evaluated using data from 727 men enrolled in the Third National Health and Nutrition Examination Survey and 2,942 men and 1,885 postmenopausal women enrolled in the Multi-Ethnic Study of Atherosclerosis (MESA). Testosterone, estradiol, and sex hormone-binding globulin levels were measured in serum and free testosterone was calculated from those values. QT interval was measured using a standard 12-lead electrocardiogram. In men from the Third National Health and Nutrition Survey, the multivariate adjusted differences in average QT-interval duration comparing the highest quartiles with the lowest quartiles of total testosterone and free testosterone were-8.5 ms (95% confidence interval (CI):-15.5,-1.4) and-8.0 ms (95% CI:-13.2,-2.8), respectively. The corresponding differences were-1.8 ms (95% CI:-3.8,-0.2), and-4.7 ms (95% CI:-6.7,-2.6), respectively, in men from MESA and-0.6 ms (95% CI:-3.0, 1.8) and 0.8 ms (95% CI:-1.6, 3.3), respectively, in postmenopausal women from MESA. Estradiol levels were not associated with QT-interval duration in men, but there was a marginally significant positive association in postmenopausal women. The findings suggest that testosterone levels may explain differences in QT-interval duration between men and women and could be a contributor to population variability in QT-interval duration among men.

Original languageEnglish (US)
Pages (from-to)403-411
Number of pages9
JournalAmerican Journal of Epidemiology
Volume174
Issue number4
DOIs
StatePublished - Aug 15 2011

Fingerprint

Nutrition Surveys
Gonadal Steroid Hormones
Atherosclerosis
Testosterone
Confidence Intervals
Estradiol
Sex Hormone-Binding Globulin
Health Surveys
Electrocardiography
Serum
Population

Keywords

  • Electrocardiography
  • estradiol
  • gonadal sex hormones
  • testosterone

ASJC Scopus subject areas

  • Epidemiology

Cite this

Sex-steroid hormones and electrocardiographic qt-interval duration : Findings from the third national health and nutrition examination survey and the multi-ethnic study of atherosclerosis. / Zhang, Yiyi; Ouyang, Pamela; Post, Wendy S; Dalal, Darshan; Vaidya, Dhananjay; Blasco-Colmenares, Elena; Soliman, Elsayed Z.; Tomaselli, Gordon F.; Guallar, Eliseo.

In: American Journal of Epidemiology, Vol. 174, No. 4, 15.08.2011, p. 403-411.

Research output: Contribution to journalArticle

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