Measurement of blood pressure in consultation and automated mesurement (BPTru(®)) to evaluate the white coat effect

White coat effect (WCE) is one of the main bias that can affect office blood pressure (BP) measurement. Therefore, it is a factor must be considered in hypertensives to avoid mistakes in diagnosis and/or treatment. Employment of automated office BP (AOBP) devices could diminish that effect. Two stud...

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Bibliographic Details
Published in:	Medicina clinica Vol. 138; no. 14; p. 597
Main Authors:	García-Donaire, José Antonio, Dalfó Baqué, Antoni, Sanclemente Ansó, Carmen, Urdiales Castillo, Daniel, Martínez Debén, Francisco, Ortega López, Nicolás, Pizarro Núñez, Juan Luis, Martín Oterino, José Ángel, García-Norro Herreros, Javier, Mediavilla García, Juan Diego, Vara González, Luis Alberto, Prieto Díaz, Miguel Ángel, Vila Coll, María Antònia, Gómez Fernández, Pablo, Rossique Delmas, Pilar, Gascón Becerril, Ramón, Pérez Álvarez, Roberto, Delgado Zamora, Rodrigo, de Vega Santos, Tomás, Cerezo Olmos, Cesar, Segura de La Morena, Julián, Ruilope, Luis M
Format:	Journal Article
Language:	Spanish
Published:	Spain 19-05-2012
Subjects:	Adult Aged Blood Pressure Determination - instrumentation Blood Pressure Determination - methods Female Humans Hypertension - diagnosis Male Middle Aged Reproducibility of Results Sphygmomanometers White Coat Hypertension - diagnosis White Coat Hypertension - prevention & control
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Summary:	White coat effect (WCE) is one of the main bias that can affect office blood pressure (BP) measurement. Therefore, it is a factor must be considered in hypertensives to avoid mistakes in diagnosis and/or treatment. Employment of automated office BP (AOBP) devices could diminish that effect. Two studies were designed with the objective of evaluating differences between routinely office and AOBP measurements. WCE was also assessed. First, the TRUE-ESP study included normotensive and hypertensive patients attending specialized consultations at Cardiology, Nephrology, Internal Medicine, Endocrinology and Family Practice. Second, the TRUE-HTA study included hypertensives attending a protocoled Hypertension Unit, with a trained staff. TRUE-ESP study included 300 patients, 76% being hypertensives. A significant difference between office BP and AOBP measurement (SBP/DBP 9.8±11.6/3.4±7.9 mmHg, P<.001) was observed. Percentage of patients gathering WCE criteria was 27.7%. TRUE-HTA study included 101 hypertensive patients. A significant difference between office BP and AOBP measurement (SBP/DBP 5.7±9.3/2.1±5.3 mmHg, P<.001) and activity period-ABPM (SBP/DBP 8.5±6.7/3.5±2.5 mmHg, P<.001) was observed. Percentage of WCE patients was 32.1%. Use of AOBP devices can contribute to decrease WCE and to improve accuracy of office BP measurement.
ISSN:	1578-8989
DOI:	10.1016/j.medcli.2011.10.030