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Central blood pressure is an independent predictor of future hypertension in young to middle-aged stage 1 hypertensives

Abstract Aim. The aim of the present study was to evaluate the association of central blood pressure (BP) with organ damage and risk of future hypertension in a cohort of young to middle-aged patients. Methods. We studied 305 subjects screened for stage 1 hypertension to determine which subjects developed hypertension needing therapy according to current guidelines. Central BP was obtained from radial artery tonometry. Organ damage was the presence of left ventricular hypertrophy and/or microalbuminuria. Results. In a multiple logistic regression including ambulatory 24-h BP, central mean BP was associated with presence of end-organ damage (p = 0.003). In the subjects divided according to whether their central mean BP was above or below the median, subjects with high central mean BP presented an earlier impairment of arterial distensibility and developed sustained hypertension more frequently compared with those with low central mean BP (p < 0.001). In logistic analyses, central mean BP was an independent predictor of future hypertension (p < 0.001) and remained associated with outcome when 24-h BP was included in the same model (p = 0.006). Conclusions. In young to middle-aged subjects in the early stage of hypertension, central mean BP is a useful adjunct to brachial BPs to better define the individual risk profile.