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Revista médica de Chile

Print version ISSN 0034-9887


MONTERO, Joaquín; MANSILLA, Cristián  and  MARGOZZINI, Paula. Effects of incorporating additional blood pressure measurements during The National Health Survey in Chile. Rev. méd. Chile [online]. 2016, vol.144, n.3, pp.285-290. ISSN 0034-9887.

Background: It is of utmost importance to identify hypertensive subjects in a country, in order to use efficiently public resources. The National Health Survey 2009-10 in Chile incorporated a third measurement of blood pressure (BP) during the home visit performed by a nurse, and a second day of measurement in a representative sub-sample. Aim: To study the effect of these two additional actions over both the average value of BP and the national prevalence of hypertension. Material and Methods: A third blood pressure measurement was carried out in 5,058 subjects, and it was measured in a second day in 930 individuals. The effect of these additional measurements on absolute blood pressure values and the prevalence of hypertension were assessed. Results: A small but statistically significant reduction in mean systolic pressure (0.52 mmHg) and the prevalence of hypertension (1%) was observed after the incorporation of the third blood pressure measurement. No effects in these figures were observed after the measurement performed on a second day. Conclusions: These findings should be considered when designing the new National Health Survey in Chile.

Keywords : Blood Pressure; Health Surveys; Hypertension.

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