Published online before print October 30, 2006, doi: 10.1161/01.HYP.0000250557.63490.55
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(Hypertension. 2007;49:62.)
© 2007 American Heart Association, Inc.
Original Articles |
Effectiveness of Blood Pressure Control Outside the Medical Setting
From the Department of Preventive Medicine and Public Health (J.R.B., F.R-A., J.J.d.l.C.), Autonomous University of Madrid, Madrid, Spain; the Hypertension Unit (J.S., L.M.R.), Doce de Octubre Hospital, Madrid, Spain; the Hypertension Unit (J.S.), Esperit Sant Hospital, Santa Coloma de Gramenet, Barcelona, Spain; the Hypertension Unit (A.d.l.S.), Clinic Hospital, Barcelona, Spain; the Nephrology Section (M.G.), San Agustín Hospital, Avilés, Asturias, Spain; and the Health Technology Assessment Agency (A.S.), Carlos III Institute of Public Health, Madrid, Spain.
Correspondence to José R. Banegas, Departamento de Medicina Preventiva y Salud Pública, Facultad de Medicina, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain. E-mail joseramon.banegas{at}uam.es
We studied the effectiveness of blood pressure (BP) control outside the clinic by using ambulatory BP monitoring (ABPM) among a large number of hypertensive subjects treated in primary care centers across Spain. The sample consisted of 12 897 treated hypertensive subjects who had indications for ABPM. Office-based BP was calculated as the average of 2 readings. Twenty-four–hour ABPM was then performed using a SpaceLabs 90207 monitor under standardized conditions. A total of 3047 patients (23.6%) had their office BP controlled, and 6657 (51.6%) were controlled according to daytime ABPM. The proportion of office resistance or underestimation of patients’ BP control by physicians in the office (office BP 
140/90 mm Hg and average daytime ambulatory BP <135/85 mm Hg) was 33.4%, and the proportion of isolated office control or overestimation of control (office BP <140/90 mm Hg and average daytime ambulatory BP 135/85 mm Hg) was 5.4%. BP control was more frequently underestimated in patients who were older, female, obese, or with morning BP determination than in their counterparts. BP control was more frequently overestimated in those who were younger, male, nonobese, smokers, or with evening BP determination. Ambulatory-based hypertension control was far better than office-based hypertension control. This conveys an encouraging message to clinicians, namely that they are actually doing better than is evidenced by office-based data. However, the burden of underestimation and overestimation of BP control at the office is still remarkable. Physicians should be aware that the likelihood of misestimating BP control is higher in some hypertensive subjects.
Key Words: office blood pressure • ambulatory blood pressure • treatment goals • guidelines • control
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Hypertension 2007 49: 17-18.
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