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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">La mayor&#237;a de los neum&#243;logos asumen que el asma cr&#243;nica y el enfisema asociado al fumar difieren tanto en su origen como en el tipo de inflamaci&#243;n&#44; pero es dif&#237;cil que se estudie a individuos que presenten simult&#225;neamente ambos procesos&#46; Nosotros pretendemos averiguar mediante un an&#225;lisis prospectivo si una porci&#243;n de pacientes fumadores con enfisema avanzado tienen un perfil asm&#225;tico&#44; lo que supondr&#237;a un solapamiento de ambas entidades</p> <span class="elsevierStyleSectionTitle">Pacientes Y M&#233;todo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se estudi&#243; a una poblaci&#243;n de 23 fumadores afectados de obstrucci&#243;n moderada a grave al flujo a&#233;reo y con criterios radiol&#243;gicos de enfisema avanzado&#46; Se analiz&#243; en todos los pacientes el perfil asm&#225;tico definido mediante 5 caracter&#237;sticas&#58; respuesta aguda positiva a broncodilatadores&#44; eosinofilia en sangre perif&#233;rica&#44; eosin&#243;filos en esputo significativos&#44; IgE s&#233;rica total significativa e IgE espec&#237;fica positiva a alergenos comunes y hongos&#46; Se consider&#243; presente el perfil asm&#225;tico si se daban en un paciente tres o m&#225;s de las caracter&#237;sticas citadas&#46; El an&#225;lisis estad&#237;stico se hizo construyendo intervalos de confianza sobre los casos positivos totales para estimar la proporci&#243;n poblacional</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">De los 23 pacientes&#44; en 21 se pudo analizar al menos 4 de las caracter&#237;sticas&#46; De los 21 pacientes&#44; 10 &#40;48&#37;&#41; presentaban un perfil asm&#225;tico&#44; es decir&#44; ten&#237;an tres o m&#225;s de las caracter&#237;sticas antes se&#241;aladas&#46; Este dato supone una proporci&#243;n positiva de la presencia de caracter&#237;sticas asm&#225;ticas de entre el 17&#44;6 y el 79&#44;6&#37; de la poblaci&#243;n analizada con enfisema avanzado&#44; con un intervalo de confianza del 99&#44;9&#37; de probabilidad</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">En el enfisema asociado en principio al h&#225;bito de fumar se podr&#237;a admitir que al menos un 17&#44;6&#37; de los pacientes presentan un perfil asm&#225;tico evidente&#44; lo que supone un alto grado de solapamiento entre asma y enfisema del fumador&#44; y por eso no se desmiente la teor&#237;a holandesa sobre el origen com&#250;n de las enfermedades obstructivas cr&#243;nicas que sostiene una base inicial de sensibilizaci&#243;n al&#233;rgica e hiperreactividad bronquial e influencias diversas&#44; como el humo de tabaco&#44; en la evoluci&#243;n final a largo plazo</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objectives</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Most pneumologists assume that chronic asthma and emphysema associated with smoking differ both in their etiology and type of inflammation&#46; However&#44; it is difficult to study subjects who have both diseases simultaneously&#46; We designed a prospective study to determine whether or not some advanced emphysema patients who are smokers have an asthmatic profile suggesting the two diseases overlap</p> <span class="elsevierStyleSectionTitle">Patients And Method</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Twenty-three smokers with moderate to severe obstruction and radiologic signs of advanced emphysema were studied&#46; The following signs of asthma were analyzed for all patients&#58; positive acute response to bronchodilators&#44; eosinophilia in peripheral blood&#44; significant eosinophilia in sputum&#44; significant total serum immunoglobulin E &#40;IgE&#41; and specific IgE positive for common allergens and fungi&#46; An asthmatic profile was defined as the presence of 3 or more of the aforementioned signs&#46; Statistical analysis was by calculation of the confidence interval on the total number of positive cases to estimate the population percentage</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Data on at least 4 characteristics were available for 21 of the 23 patients&#46; Ten &#40;48&#37;&#41; of the 21 had asthmatic profiles &#40;3 or more of the aforementioned characteristics&#41;&#46; This finding suggests that asthmatic characteristics are present in between 17&#46;6 and 79&#46;6&#37; of the studied population with advanced emphysema&#44; with a confidence interval of 99&#46;9&#37;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">We conclude that emphysema initially associated with smoking may mean that at least 17&#46;6&#37; of patients have a clear asthmatic profile&#44; which indicates a high degree of overlap between asthma and emphysema in smokers&#46; Thus&#44; our findings are consistent with the Dutch theory that chronic obstructive diseases have a common origin in underlying allergic sensitization and bronchial hyperresponsiveness alongside various other influential factors such as tobacco smoking over the course of disease</p>"
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Características asmáticas en pacientes fumadores con enfisema avanzado
Asthmatic characteristics in smokers with advanced emphysema
A. Pachecoa,
, L. Máiza, J. Gaudóa, M.J. Pavóna, M. Cuevasb, S. Quircec
a Servicio de Neumología. Hospital Ramón y Cajal. Universidad de Alcalá. Madrid. España
b Servicio de Inmunología. Hospital Ramón y Cajal. Universidad de Alcalá. Madrid. España
c Servicio de Alergia. Fundación Jiménez Diaz. Madrid. España
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">La mayor&#237;a de los neum&#243;logos asumen que el asma cr&#243;nica y el enfisema asociado al fumar difieren tanto en su origen como en el tipo de inflamaci&#243;n&#44; pero es dif&#237;cil que se estudie a individuos que presenten simult&#225;neamente ambos procesos&#46; Nosotros pretendemos averiguar mediante un an&#225;lisis prospectivo si una porci&#243;n de pacientes fumadores con enfisema avanzado tienen un perfil asm&#225;tico&#44; lo que supondr&#237;a un solapamiento de ambas entidades</p> <span class="elsevierStyleSectionTitle">Pacientes Y M&#233;todo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se estudi&#243; a una poblaci&#243;n de 23 fumadores afectados de obstrucci&#243;n moderada a grave al flujo a&#233;reo y con criterios radiol&#243;gicos de enfisema avanzado&#46; Se analiz&#243; en todos los pacientes el perfil asm&#225;tico definido mediante 5 caracter&#237;sticas&#58; respuesta aguda positiva a broncodilatadores&#44; eosinofilia en sangre perif&#233;rica&#44; eosin&#243;filos en esputo significativos&#44; IgE s&#233;rica total significativa e IgE espec&#237;fica positiva a alergenos comunes y hongos&#46; Se consider&#243; presente el perfil asm&#225;tico si se daban en un paciente tres o m&#225;s de las caracter&#237;sticas citadas&#46; El an&#225;lisis estad&#237;stico se hizo construyendo intervalos de confianza sobre los casos positivos totales para estimar la proporci&#243;n poblacional</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">De los 23 pacientes&#44; en 21 se pudo analizar al menos 4 de las caracter&#237;sticas&#46; De los 21 pacientes&#44; 10 &#40;48&#37;&#41; presentaban un perfil asm&#225;tico&#44; es decir&#44; ten&#237;an tres o m&#225;s de las caracter&#237;sticas antes se&#241;aladas&#46; Este dato supone una proporci&#243;n positiva de la presencia de caracter&#237;sticas asm&#225;ticas de entre el 17&#44;6 y el 79&#44;6&#37; de la poblaci&#243;n analizada con enfisema avanzado&#44; con un intervalo de confianza del 99&#44;9&#37; de probabilidad</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">En el enfisema asociado en principio al h&#225;bito de fumar se podr&#237;a admitir que al menos un 17&#44;6&#37; de los pacientes presentan un perfil asm&#225;tico evidente&#44; lo que supone un alto grado de solapamiento entre asma y enfisema del fumador&#44; y por eso no se desmiente la teor&#237;a holandesa sobre el origen com&#250;n de las enfermedades obstructivas cr&#243;nicas que sostiene una base inicial de sensibilizaci&#243;n al&#233;rgica e hiperreactividad bronquial e influencias diversas&#44; como el humo de tabaco&#44; en la evoluci&#243;n final a largo plazo</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objectives</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Most pneumologists assume that chronic asthma and emphysema associated with smoking differ both in their etiology and type of inflammation&#46; However&#44; it is difficult to study subjects who have both diseases simultaneously&#46; We designed a prospective study to determine whether or not some advanced emphysema patients who are smokers have an asthmatic profile suggesting the two diseases overlap</p> <span class="elsevierStyleSectionTitle">Patients And Method</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Twenty-three smokers with moderate to severe obstruction and radiologic signs of advanced emphysema were studied&#46; The following signs of asthma were analyzed for all patients&#58; positive acute response to bronchodilators&#44; eosinophilia in peripheral blood&#44; significant eosinophilia in sputum&#44; significant total serum immunoglobulin E &#40;IgE&#41; and specific IgE positive for common allergens and fungi&#46; An asthmatic profile was defined as the presence of 3 or more of the aforementioned signs&#46; Statistical analysis was by calculation of the confidence interval on the total number of positive cases to estimate the population percentage</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Data on at least 4 characteristics were available for 21 of the 23 patients&#46; Ten &#40;48&#37;&#41; of the 21 had asthmatic profiles &#40;3 or more of the aforementioned characteristics&#41;&#46; This finding suggests that asthmatic characteristics are present in between 17&#46;6 and 79&#46;6&#37; of the studied population with advanced emphysema&#44; with a confidence interval of 99&#46;9&#37;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">We conclude that emphysema initially associated with smoking may mean that at least 17&#46;6&#37; of patients have a clear asthmatic profile&#44; which indicates a high degree of overlap between asthma and emphysema in smokers&#46; Thus&#44; our findings are consistent with the Dutch theory that chronic obstructive diseases have a common origin in underlying allergic sensitization and bronchial hyperresponsiveness alongside various other influential factors such as tobacco smoking over the course of disease</p>"
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Article information
ISSN: 03002896
Original language: Spanish
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