Cardiovascular Outcome in White-Coat Versus Sustained Mild Hypertension
- 3 November 1998
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Circulation
- Vol. 98 (18), 1892-1897
- https://doi.org/10.1161/01.cir.98.18.1892
Abstract
Background —The aim of this study was to compare the risk conferred by white-coat versus sustained mild hypertension for the development of cardiovascular disease. Methods and Results —Patients (n=479) who underwent 24-hour intra-arterial ambulatory blood pressure monitoring on the basis of a persistently elevated clinic systolic blood pressure of 140 to 180 mm Hg were followed up for the development of subsequent cardiovascular events during a 9.1±4.2-year period. White-coat hypertension, defined as a clinic systolic blood pressure of 140 to 180 mm Hg associated with a 24-hour ambulatory systolic blood pressure P P P =0.002), sex ( P =0.007), race ( P =0.001), smoking ( P =0.005), and the presence of white-coat hypertension (hazard ratio, 0.29; 95% CI, 0.09 to 0.90; P =0.04) to be independent predictors of subsequent cardiovascular events. Subgroup analysis in patients without complications revealed a lower incidence of left ventricular hypertrophy and lesser degrees of carotid hypertrophy in the white-coat group. Conclusions —These findings indicate a relatively benign outcome in white-coat hypertension compared with sustained mild hypertension.Keywords
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