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Psicothema was founded in Asturias (northern Spain) in 1989, and is published jointly by the Psychology Faculty of the University of Oviedo and the Psychological Association of the Principality of Asturias (Colegio Oficial de Psicólogos del Principado de Asturias).
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Psicothema, 2007. Vol. Vol. 19 (nº 2). 276-279




Efecto de la valoración negativa del personal de enfermería sobre la medida de la presión arterial. Implicaciones en la etiología de la hipertensión de bata blanca

Isaac Amigo, Silvia Castro y Concepción Fernández

Universidad de Oviedo

El objetivo de este trabajo fue mostrar cómo una valoración negativa hecha por la enfermera sobre los resultados de la medida de la presión arterial (PA) puede inducir una elevación de la PA en la siguiente medida. Participaron en este estudio 25 sujetos normotensos a los que se les había dicho que iban a participar en un estudio epidemiológico de la PA y que fueron asignados a dos grupos. A los sujetos del grupo experimental, tras tomarles por primera vez la tensión arterial, se les sugería que su tensión era normal pero alta para su edad. En el grupo control se sugería que su tensión era normal para su edad. Los resultados mostraron que este comentario provocó un incremento significativo de la PA diastólica en grupo experimental. Se discuten las implicaciones de este efecto sobre la denominada hipertensión de bata blanca desde el punto de vista de la teoría de la incubación.

The consequences of a nurse´s negative evaluation of a blood pressure reading. Implications for the etiology of white-coat hypertension. The aim of this study was to show how a nurses negative evaluation of a blood pressure (BP) reading can cause an increase in BP in the following reading. Twenty-five subjects with normal pressure who had been informed that they were to participate in an epidemiological BP study took part and they were divided into two groups. After taking the first BP reading, participants from the experimental group were informed that their pressure was normal but high for their age, whereas those in the control group were told that their pressure was normal for their age. The results showed that this comment caused a significant increase in the diastolic BP of the experimental group. The theoretical and clinical implications of this reaction are discussed in relation to the phenomenon known as White-Coat Hypertension from the perspective of the theory of incubation.

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