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Weak effect of hypertension and other classic risk factors in the elderly who have already paid their toll

Journal of Human Hypertension volume 16, pages 21–31 (2002)Cite this article

Abstract

The aim of the CASTEL, a population-based (n = 3282) prospective study which began 14 years ago, was to identify those items which had a prognostic impact in the elderly, and to evaluate whether the typical cardiovascular risk factors, particularly arterial hypertension, play a role after the age of 65 years. Initial screening, final follow-up and annual detection of mortality were performed. Mantel–Hanszel approach and multivariate Cox model were used for statistics. Cardiovascular mortality was 23.3% in normotensive, 23.3% in borderline, and 25% in the sustained hypertensive subjects (insignificant difference). In women, the incidence of stroke and coronary artery disease weakly depended on pulse pressure. Historical stroke and myocardial infarction predicted cardiovascular mortality in women; diabetes, uricaemia and high heart rate in men. In the very old, the predictors were less numerous, and blood pressure was not a predictor whatsoever; pulse blood pressure and murmurs at the neck were especially predictive in women, historical heart failure, proteinuria and tachycardia in men, historical stroke and myocardial infarction, pulmonary disease, left ventricular hypertrophy, diabetes and uricaemia in both genders. The elderly have a different cardiovascular risk pattern compared to younger people. Hypertension is not a predictor of coronary and stroke mortality. Prognosis depends on pulse pressure rather than on the label ‘hypertension’. Hypercholesterolaemia is not a risk factor. This could simply indicate that elderly persons are the survivors in a population where significant mortality has already made its mark, eliminating those with the worst risk pattern. The two genders have a different risk profile due to sex-specific susceptibility to risk factors.

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  1. Department of Clinical and Experimental Medicine, Laboratory of Epidemiology, University of Padova, Italy

    E Casiglia, A Mazza, V Tikhonoff, A Pavei, G Privato, N Schenal & A C Pessina

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  1. E Casiglia
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Correspondence to E Casiglia.

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Casiglia, E., Mazza, A., Tikhonoff, V. et al. Weak effect of hypertension and other classic risk factors in the elderly who have already paid their toll. J Hum Hypertens 16, 21–31 (2002). https://doi.org/10.1038/sj.jhh.1001288

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