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Revista Colombiana de Cardiología

Print version ISSN 0120-5633

Abstract

PATINO, Santiago et al. Correlation between the blood pressure measurement in office and ambulatory monitoring in hypertensive patients in Medellín, Colombia. Rev. Colomb. Cardiol. [online]. 2013, vol.20, n.4, pp.190-197. ISSN 0120-5633.

Introduction: Recent studies reported higher correlation between ambulatory blood pressure monitoring (ABPM) and end-organ damage. This study aims to establish the correlation between office blood pressure measurement (OBPM) and ABPM in patients with newly diagnosed hypertension. Methods: Patients newly diagnosed with hypertension without other cardiovascular risk factors. OBPM and ABPM were performed. We evaluated the correlation between OBPM and ABPM variables. Hypertensive control was categorized in accordance with the Joint National Committee 7 and American Heart Association guidelines. Results: 239 ABPM in 149 subjects with a mean (SD) office SBP and DBP 134.5 (13.8) mmHg and 87.5 (9) mmHg and 24-hours SBP of 129 (10.4) mmHg and 24-hours DBP 80.1 (7.5) mmHg, a difference of -4.95 mmHg (95% CI: -2.7, -7.2) and -7.4 mmHg (95% CI: -5.9, -8.9) with respect to office BP. Positive correlation was found between office BP and ABPM variables (SBP r = 0.4, p <0.01, DBP r = 0.48, p <0.01).Sensitivity and specificity of office BP versus AMPB for hypertensive control were 43.7% and 72.4% respectively. Conclusion: There is positive correlation between OBPM and ABPM, but the sensitivity and specificity of a single measurement at office with regard to ABPM, makes it inadequate for evaluation of hypertensive control.

Keywords : blood pressure monitoring; ambulatory; hypertension; blood pressure; sensitivity; specificity.

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