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        "resumen" => "<span class="elsevierStyleSectionTitle">Background and Objectives</span><p class="elsevierStyleSimplePara elsevierViewall">Chronic obstructive pulmonary disease &#40;COPD&#41; causes considerable morbidity and mortality in Spain&#46; The 1997 IBERPOC study&#44; applying the old criteria of the European Respiratory Society&#44; reported a COPD prevalence of 9&#46;1&#37; in the adult population of Spain&#46; The Epidemiologic Study of COPD in Spain &#40;EPI-SCAN&#41; aims to determine the current prevalence of COPD in residents of Spain aged 40 to 80 years&#46; Secondary objectives are&#44; among others&#44; to describe the current prevalence of smoking and changes in COPD prevalence relative to previous studies&#59; to describe treatments received by patients&#44; quality of life&#44; and the BODE index &#40;body mass index&#44; obstruction of airflow&#44; dyspnea&#44; and exercise tolerance&#41;&#59; and to measure inflammatory markers in blood and exhaled-breath condensate&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">EPI-SCAN is a population-based&#44; cross-sectional epidemiologic study targeting the general population of Spain aged between 40 and 80 years&#46; Participating centers were located in Barcelona&#44; Burgos&#44; Cordoba&#44; Huesca&#44; Madrid&#44; Oviedo&#44; Seville&#44; Valencia&#44; Vic&#44; and Vigo&#46; All subjects filled in an extensive questionnaire to collect social&#44; demographic&#44; and clinical information&#46; Slow and forced spirometry tests before and after a bronchodilator test were also undertaken&#46; Additionally&#44; selected subjects performed a 6-minute walk test and answered generic and specific quality-of-life questionnaires&#44; as well as an activities-of-daily-living questionnaire&#46; Exhaled-breath condensate and blood samples were also collected from these subjects for measurement of inflammatory and other biomarkers&#46;</p>"
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Vol. 45. Issue 1.
Pages 41-47 (January 2009)
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Vol. 45. Issue 1.
Pages 41-47 (January 2009)
Special Article
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The EPI-SCAN Survey to Assess the Prevalence of Chronic Obstructive Pulmonary Disease in Spanish 40-to-80-Year-Olds: Protocol Summary
Estudio EPI-SCAN: resumen del protocolo de un estudio para estimar la prevalencia de EPOC en personas de 40 a 80 años en España
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Julio Ancocheaa, Carlos Badiolab, Enric Duran-Tauleriac, Francisco García Ríod, Marc Miravitllese, Luis Muñozf, Víctor Sobradillog, Juan B. Sorianoh,
Corresponding author
jbsoriano@caubet-cimera.es

Corresponding author.
a Hospital de La Princesa, Madrid, Spain
b GlaxoSmithKline, Madrid, Spain
c IMIM/CREAL, Barcelona, Spain
d Hospital La Paz, Madrid, Spain
e Servei de Pneumologia, Institut Clínic del Tòrax (IDIBAPS), Hospital Clínic i Provincial, Barcelona, Spain
f Hospital Reina Sofía, Córdoba, Spain
g Hospital de Cruces, Barakaldo, Vizcaya, Spain
h Fundación Caubet-CIMERA Illes Balears, CIBER de Enfermedades Respiratorias, Bunyola, Mallorca, Illes Balears, Spain
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Article information
Abstract
Background and Objectives

Chronic obstructive pulmonary disease (COPD) causes considerable morbidity and mortality in Spain. The 1997 IBERPOC study, applying the old criteria of the European Respiratory Society, reported a COPD prevalence of 9.1% in the adult population of Spain. The Epidemiologic Study of COPD in Spain (EPI-SCAN) aims to determine the current prevalence of COPD in residents of Spain aged 40 to 80 years. Secondary objectives are, among others, to describe the current prevalence of smoking and changes in COPD prevalence relative to previous studies; to describe treatments received by patients, quality of life, and the BODE index (body mass index, obstruction of airflow, dyspnea, and exercise tolerance); and to measure inflammatory markers in blood and exhaled-breath condensate.

Patients and Methods

EPI-SCAN is a population-based, cross-sectional epidemiologic study targeting the general population of Spain aged between 40 and 80 years. Participating centers were located in Barcelona, Burgos, Cordoba, Huesca, Madrid, Oviedo, Seville, Valencia, Vic, and Vigo. All subjects filled in an extensive questionnaire to collect social, demographic, and clinical information. Slow and forced spirometry tests before and after a bronchodilator test were also undertaken. Additionally, selected subjects performed a 6-minute walk test and answered generic and specific quality-of-life questionnaires, as well as an activities-of-daily-living questionnaire. Exhaled-breath condensate and blood samples were also collected from these subjects for measurement of inflammatory and other biomarkers.

Keywords:
Epidemiology
Chronic obstructive pulmonary disease (COPD)
Spain
Population
Quality of life
Inflammation
Resumen
Introducción y objetivos

La enfermedad pulmonar obstructiva crónica (EPOC) es un trastorno que causa gran morbilidad y mortalidad en España. El estudio IBERPOC, realizado en 1997, identificó una prevalencia de EPOC en España, según el criterio antiguo de la European Respiratory Society, del 9,1% de la población adulta. El estudio EPI-SCAN (del inglés The Epidemiologic Study of COPD in Spain) pretende conocer la prevalencia de la EPOC en población de 40 a 80 años de edad residente en España en la actualidad y sus cambios en el último decenio. Otros objetivos secundarios que se plantean son describir la prevalencia de tabaquismo, la evolución de la prevalencia de EPOC respecto a estudios previos, el tratamiento recibido por los pacientes, la calidad de vida y el índice BODE (índice de masa corporal, obstrucción al flujo aéreo, disnea y capacidad de ejercicio), y determinar marcadores inflamatorios en sangre y en condensado exhalado.

Pacientes y método

EPI-SCAN es un estudio epidemiológico de base poblacional, transversal, de ámbito nacional, llevado a cabo en población general de 40 a 80 años residente en España. Las áreas participantes fueron: Barcelona, Burgos, Córdoba, Huesca, Madrid, Oviedo, Sevilla, Valencia, Vic y Vigo. Todos los participantes rellenaron un cuestionario sociodemográfico y clínico extenso, y realizaron una espirometría lenta y forzada antes y después de una prueba broncodilatadora. Además, algunos participantes seleccionados efectuaron las siguientes pruebas: prueba de la marcha de 6 min, medición de la calidad de vida mediante cuestionarios específico y genérico, y de actividades de la vida diaria, recogida del condensado de aire exhalado y obtención de una muestra de sangre para medición de biomarcadores y diferentes parámetros inflamatorios.

Palabras clave:
Epidemiología
EPOC
España
Población
Calidad de vida
Inflamación
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