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Hypertension. 2019 Mar;73(3):736-742. doi: 10.1161/HYPERTENSIONAHA.118.12187.

Unattended Versus Attended Blood Pressure Measurement.

Author information

1
From the Department of Clinical and Experimental Sciences, University of Brescia, 2a Medicina ASST Spedali Civili di Brescia, Italy.

Abstract

It has been suggested that measurement of unattended or automated oscillatory blood pressure (BP) values may provide advantages over conventional BP measurement. Some international guidelines now suggest automated oscillatory BP as the preferred approach for measuring BP. Data on the relationship between automated oscillatory BP and cardiovascular events are much less solid as compared to those obtained with the standard approach; preliminary data suggested that automated oscillatory BP might be more strictly correlated with organ damage. The aim of our study was to evaluate the relationship between attended or unattended BP and organ damage in 564 subjects undergoing an echocardiogram and carotid ultrasound at an European Society of Hypertension Excellence Center.Both unattended BP (patient alone in the room, an oscillometric device programmed to perform 3 BP measurements, at 1-minute intervals, after 5 minutes) and attended BP were measured with the same device, on the same day of the ultrasonographic examination, in random order. In 564 patients (age 61±15 years, 41% female 78% hypertensives) systolic unattended BP was lower as compared with attended BP (128.0±15.5 versus 134.5±19.9 mm Hg). Left ventricular mass index was similarly correlated with attended and unattended systolic BP ( r=0.205 and r=0.194, respectively). Carotid intima-media thickness was also significantly correlated with both attended and unattended systolic BP (mean max intima-media thickness: r=0.206 and r=0.194, respectively, P<0.0001). The differences between correlations were not statistically significant. Our results suggest that attended and unattended BP values are similarly related with hypertensive organ damage.

KEYWORDS:

automated office blood pressure measurement; blood pressure; carotid intima media thickness; echocardiography; hypertension; left ventricular hypertrophy; unattended blood pressure measurement

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