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  • Title: Hot flushes and night sweats are associated with coronary heart disease risk in midlife: a longitudinal study.
    Author: Herber-Gast G, Brown WJ, Mishra GD.
    Journal: BJOG; 2015 Oct; 122(11):1560-7. PubMed ID: 25377022.
    Abstract:
    OBJECTIVE: The purpose of this study was to investigate associations between vasomotor menopausal symptoms (VMS), i.e. hot flushes and night sweats, and the incidence of coronary heart disease (CHD). DESIGN: A prospective cohort study. SETTING AND POPULATION: 11 725 women, aged 45-50 years at baseline in 1996, were followed up at 3-year intervals for 14 years. METHODS: Self-reported VMS and incident CHD were measured at each survey. MAIN OUTCOME MEASURE: We determined the association between VMS and CHD at the subsequent survey, using generalised estimating equation analysis, adjusting for time-varying covariates. RESULTS: At baseline, 14% reported rarely, 17% reported sometimes, and 7% reported often having night sweats. During follow-up, 187 CHD events occurred. In the age-adjusted analysis, women who reported their frequency of experiencing hot flushes and night sweats as 'often' had a greater than two-fold increased odds of CHD (OR hot flushes 2.18, 95% CI 1.49-3.18; OR night sweats 2.38, 95% CI 1.62-3.50) compared with women with no symptoms (P trend < 0.001 for frequency of symptoms). Adjustment for menopausal status, lifestyle factors, body mass index, diabetes, and hypertension attenuated the associations (OR hot flushes 1.70, 95% CI 1.16-2.51, P trend = 0.01; OR night sweats 1.84, 95% CI 1.24-2.73), P trend = 0.004). CONCLUSIONS: Women who report having hot flushes or night sweats 'often' have an increased risk of developing CHD over a period of 14 years, even after taking the effects of age, menopause status, lifestyle, and other chronic disease risk factors into account.
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