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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">El objetivo del estudio fue analizar las variaciones de la percepci&#243;n de obstrucci&#243;n bronquial aguda en los asm&#225;ticos de nuestra poblaci&#243;n e intentar definir las variables que condicionan dichas diferencias interindividuales&#46; Se estudi&#243; a 153 asm&#225;ticos en situaci&#243;n estable&#44; midiendo la disnea que percib&#237;an en una escala de Borg durante la realizaci&#243;n de una prueba de provocaci&#243;n bronquial con histamina&#46; Para el an&#225;lisis de la percepci&#243;n individual se valoraron tanto la PS20 &#40;disnea en la escala de Borg al caer el FEV 1 un 20&#37;&#41; como la diferencia matem&#225;tica entre la PS20 y la disnea ba-sal &#40;&#8221;cambio en Borg&#8220; &#91;CB&#93;&#41;&#46; Seg&#250;n nuestros resultados&#58; a&#41; el conjunto de factores que determinan la PS20 &#40;regresi&#243;n li-neal m&#250;ltiple&#41; ha sido la ansiedad&#44; la disnea basal y la PC20&#59; b&#41; dentro de cada grupo de gravedad de asma existen dife-rencias en la disnea percibida cuando el FEV 1 desciende un 20&#37; &#40;an&#225;lisis de la varianza de medidas repetidas&#41;&#44; de modo que los pacientes con asma leve y sin obstrucci&#243;n bronquial perciben m&#225;s el cambio de disnea&#59; c&#41; el an&#225;lisis del CB du-rante la prueba de provocaci&#243;n bronquial nos ha permitido distinguir 4 formas de percibir la disnea&#58; un 15&#37; de los pa-cientes son disperceptores&#44; un 13&#37; hipoperceptores&#44; un 48&#37; normoperceptores y el 24&#37; hiperperceptores&#59; d&#41; los hipoperceptores y disperceptores tienen mayor riesgo de agudizaciones graves&#44; mientras que los hiperperceptores ge-neran innecesarias consultas m&#233;dicas&#44; y e&#41; los grupos con una peor calidad de vida son los disperceptores&#44; seguidos de los hiperperceptores</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">En conclusi&#243;n&#44; un elevado porcentaje de asm&#225;ticos no per-cibe de forma adecuada la obstrucci&#243;n bronquial aguda&#44; y el m&#233;todo sencillo de conocer c&#243;mo es dicha percepci&#243;n consis-te en calcular su cambio de disnea &#40;en la escala de Borg&#41; du-rante una prueba de provocaci&#243;n bronquial&#46; La forma de percibir la disnea no puede inferirse de antemano y tiene re-percusiones importantes&#44; entre otras&#44; en la utilizaci&#243;n de re-cursos m&#233;dicos y en la calidad de vida de los pacientes</p>"
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        "resumen" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The aim of this study was to analyze variations in the per-ception of acute bronchial obstruction among asthmatics in our practice and to try to define the variables that influence inter-individual differences&#46; We studied 153 asthmatics in stable condition&#44; using a Borg scale to measure dyspnea per-ceived during a histamine bronchial challenge test&#46; To study individual perception we analyzed both absolute magnitude of perception of dyspnea on the Borg scale when forced ex-piratory volume in 1 second &#40;FEV1&#41; fell 20&#37; &#40;perception score 20-PS20&#41; and the mathematical difference between PS20 and baseline dyspnea &#40;change in Borg&#44; CB&#41;&#46; The re-sults were as follows&#46; 1&#41; The factors that affected PS20 ac-cording to multiple linear regression were anxiety&#44; baseline dyspnea and the provocative concentration required to pro-duce a 20&#37; fall in FEV1 &#40;PC20&#41;&#46; 2&#41; Within each level of asthma severity&#44; there were differences in dyspnea percep-tion when FEV1 fell 20&#37; &#40;analysis of variance of repeated measures&#41;&#44; such that patients with mild asthma and no bronchial obstruction perceived more change in dyspnea&#46; 3&#41; CB during the bronchial challenge test distinguished four ways of perceiving dyspnea&#58; 15&#37; were dysperceivers&#44; 13&#37; were hypoperceivers&#44; 48&#37; were normoperceivers and 24&#37; were hyperperceivers&#46; 4&#41; Hypoperceivers and dysperceivers were at greater risk of severe exacerbation whereas hyper-perceivers requested unnecessary medical consultations&#46; 5&#41; Subjects with poorer quality of life were usually dyspercei-vers&#59; hyperperceivers were the second most common type among those with poorer quality of life</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">In conclusion&#44; a large percentage of asthmatics do not ap-propriately perceive acute bronchial obstruction&#44; and the simplest way to evaluate their perception is to calculate the change in dyspnea &#40;on a Borg scale&#41; during the bronchial challenge test&#46; The manner of perceiving dyspnea can not be predicted beforehand&#44; yet it has a significant impact on the use of medical resources and patient quality of life&#44; among other aspects</p>"
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Percepción de la disnea durante la broncoconstricción aguda en los pacientes con asma
Asthma patients' perception of dyspnea during acute bronchoconstriction
E. Martínez-Moragóna,
Corresponding author
emm01v@nacom.es

Correspondencia: Avda. Pérez Galdós, 12–10. 46007 Valencia. España
, M. Perpiñáb, A. Bellochc, A. De Diegob, M.E. Martínez-Francésb
a Servicio de Neumología. Hospital de Sagunto. España
b Servicio de Neumología. Hospital Universitario La Fe. Valencia. España
c Departamento de Personalidad, Evaluación y Tratamientos Psicológicos. Facultad de Psicología. Universidad de Valencia. España
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            "correspondencia" => "Correspondencia&#58; Avda&#46; P&#233;rez Gald&#243;s&#44; 12&#8211;10&#46; 46007 Valencia&#46; Espa&#241;a"
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      "en" => array:1 [
        "titulo" => "Asthma patients&#39; perception of dyspnea during acute bronchoconstriction"
      ]
    ]
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    "fechaRecibido" => "2002-02-07"
    "fechaAceptado" => "2002-08-28"
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            0 => "Disnea"
            1 => "Asma"
            2 => "Percepci&#243;n"
            3 => "Broncoconstricci&#243;n aguda"
            4 => "Histamina"
          ]
        ]
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          "clase" => "keyword"
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          "palabras" => array:5 [
            0 => "Dyspnea"
            1 => "Asthma"
            2 => "Perception"
            3 => "Acute bronchocons-triction"
            4 => "Histamine"
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        ]
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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">El objetivo del estudio fue analizar las variaciones de la percepci&#243;n de obstrucci&#243;n bronquial aguda en los asm&#225;ticos de nuestra poblaci&#243;n e intentar definir las variables que condicionan dichas diferencias interindividuales&#46; Se estudi&#243; a 153 asm&#225;ticos en situaci&#243;n estable&#44; midiendo la disnea que percib&#237;an en una escala de Borg durante la realizaci&#243;n de una prueba de provocaci&#243;n bronquial con histamina&#46; Para el an&#225;lisis de la percepci&#243;n individual se valoraron tanto la PS20 &#40;disnea en la escala de Borg al caer el FEV 1 un 20&#37;&#41; como la diferencia matem&#225;tica entre la PS20 y la disnea ba-sal &#40;&#8221;cambio en Borg&#8220; &#91;CB&#93;&#41;&#46; Seg&#250;n nuestros resultados&#58; a&#41; el conjunto de factores que determinan la PS20 &#40;regresi&#243;n li-neal m&#250;ltiple&#41; ha sido la ansiedad&#44; la disnea basal y la PC20&#59; b&#41; dentro de cada grupo de gravedad de asma existen dife-rencias en la disnea percibida cuando el FEV 1 desciende un 20&#37; &#40;an&#225;lisis de la varianza de medidas repetidas&#41;&#44; de modo que los pacientes con asma leve y sin obstrucci&#243;n bronquial perciben m&#225;s el cambio de disnea&#59; c&#41; el an&#225;lisis del CB du-rante la prueba de provocaci&#243;n bronquial nos ha permitido distinguir 4 formas de percibir la disnea&#58; un 15&#37; de los pa-cientes son disperceptores&#44; un 13&#37; hipoperceptores&#44; un 48&#37; normoperceptores y el 24&#37; hiperperceptores&#59; d&#41; los hipoperceptores y disperceptores tienen mayor riesgo de agudizaciones graves&#44; mientras que los hiperperceptores ge-neran innecesarias consultas m&#233;dicas&#44; y e&#41; los grupos con una peor calidad de vida son los disperceptores&#44; seguidos de los hiperperceptores</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">En conclusi&#243;n&#44; un elevado porcentaje de asm&#225;ticos no per-cibe de forma adecuada la obstrucci&#243;n bronquial aguda&#44; y el m&#233;todo sencillo de conocer c&#243;mo es dicha percepci&#243;n consis-te en calcular su cambio de disnea &#40;en la escala de Borg&#41; du-rante una prueba de provocaci&#243;n bronquial&#46; La forma de percibir la disnea no puede inferirse de antemano y tiene re-percusiones importantes&#44; entre otras&#44; en la utilizaci&#243;n de re-cursos m&#233;dicos y en la calidad de vida de los pacientes</p>"
      ]
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        "resumen" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The aim of this study was to analyze variations in the per-ception of acute bronchial obstruction among asthmatics in our practice and to try to define the variables that influence inter-individual differences&#46; We studied 153 asthmatics in stable condition&#44; using a Borg scale to measure dyspnea per-ceived during a histamine bronchial challenge test&#46; To study individual perception we analyzed both absolute magnitude of perception of dyspnea on the Borg scale when forced ex-piratory volume in 1 second &#40;FEV1&#41; fell 20&#37; &#40;perception score 20-PS20&#41; and the mathematical difference between PS20 and baseline dyspnea &#40;change in Borg&#44; CB&#41;&#46; The re-sults were as follows&#46; 1&#41; The factors that affected PS20 ac-cording to multiple linear regression were anxiety&#44; baseline dyspnea and the provocative concentration required to pro-duce a 20&#37; fall in FEV1 &#40;PC20&#41;&#46; 2&#41; Within each level of asthma severity&#44; there were differences in dyspnea percep-tion when FEV1 fell 20&#37; &#40;analysis of variance of repeated measures&#41;&#44; such that patients with mild asthma and no bronchial obstruction perceived more change in dyspnea&#46; 3&#41; CB during the bronchial challenge test distinguished four ways of perceiving dyspnea&#58; 15&#37; were dysperceivers&#44; 13&#37; were hypoperceivers&#44; 48&#37; were normoperceivers and 24&#37; were hyperperceivers&#46; 4&#41; Hypoperceivers and dysperceivers were at greater risk of severe exacerbation whereas hyper-perceivers requested unnecessary medical consultations&#46; 5&#41; Subjects with poorer quality of life were usually dyspercei-vers&#59; hyperperceivers were the second most common type among those with poorer quality of life</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">In conclusion&#44; a large percentage of asthmatics do not ap-propriately perceive acute bronchial obstruction&#44; and the simplest way to evaluate their perception is to calculate the change in dyspnea &#40;on a Borg scale&#41; during the bronchial challenge test&#46; The manner of perceiving dyspnea can not be predicted beforehand&#44; yet it has a significant impact on the use of medical resources and patient quality of life&#44; among other aspects</p>"
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Article information
ISSN: 03002896
Original language: Spanish
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