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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">To determine the prevalence of malnutrition in outpatients with stable chronic obstructive pulmonary disease &#40;COPD&#41; followed at a respiratory clinic&#46;</p> <span class="elsevierStyleSectionTitle">Material and method</span><p class="elsevierStyleSimplePara elsevierViewall">In this prospective study&#44; we assessed the nutritional status of consecutive outpatients with stable COPD by investigating various anthropometric parameters&#46; Patients were malnourished &#40;low body weight&#41; if their body mass index was within the bottom quartile of a reference population&#46; Muscle mass was determined from the midarm muscle area and if this mass was at or within the bottom quartile&#44; muscle wasting was present&#46; Albumin and transferrin plasma concentrations were used as a measure of visceral protein stores&#46; Fat stores were assessed from body fat and if this value was at or within the bottom quartile&#44; calorific malnutrition was present&#46; All patients underwent arterial blood gas sampling at rest and spirometry&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">A total of 178 patients&#8212;one woman &#40;0&#46;6&#37;&#41; and 177 men &#40;99&#46;4&#37;&#41;&#8212;were enrolled in the study&#44; with a mean &#40;SD&#41; age of 69 &#40;9&#41; years&#46; We found low body weight in 19&#46;1&#37; of the patients&#44; muscle wasting in 47&#46;2&#37;&#44; visceral protein depletion in 17&#46;4&#37;&#44; and fat depletion in 19&#46;1&#37;&#46; Of the patients with normal weight&#44; 62&#46;9&#37; showed muscle wasting&#46; The proportion of patients with a body mass index or midarm muscle area at or within the bottom quartile increased significantly with increased bronchial obstruction &#40;<span class="elsevierStyleItalic">P</span> &#60;&#46;001 and <span class="elsevierStyleItalic">P</span>&#61;&#46;015&#44; respectively&#41;&#44; though 35&#46;7&#37; of the patients showed muscle wasting even when COPD was mild&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Many patients with stable COPD suffer malnutrition&#46; Nutritional state is worse with more severe COPD&#46; Depletion involves both fat stores and muscle and visceral protein stores&#44; but the greatest effect is seen in muscle wasting&#46; A significant number of patients with normal weight also suffer muscle wasting&#46; Although changes in body composition were common in our patients&#44; low body weight was less prevalent than has been reported for populations in countries that are socially and economically similar to Spain&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Determinar la prevalencia de la desnutrici&#243;n en pacientes con enfermedad pulmonar obstructiva cr&#243;nica &#40;EPOC&#41; estable&#44; controlados en una consulta especializada de neumolog&#237;a&#46;</p> <span class="elsevierStyleSectionTitle">Material Y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; un estudio prospectivo y con-secutivo en pacientes con EPOC estable controlados de forma ambulatoria&#46; Para valorar el estado nutricional empleamos diversos par&#225;metros antropom&#201;tricos&#46; Se defini&#243; desnutrici&#243;n global &#40;bajo peso corporal&#41; como la presencia de un &#237;ndice de masa corporal inferior al percentil 25 del valor de referencia&#46; Para valorar el compartimiento proteico muscular se determin&#243; el &#225;rea muscular del brazo y se defini&#243; la depleci&#243;n muscular como un valor de &#225;rea muscular del brazo igual o inferior al percentil 25&#46; Como valoraci&#243;n de la prote&#237;na visceral se midieron las concen-traciones plasm&#225;ticas de alb&#250;mina y transferrina&#46; El compartimiento graso se estudi&#243; mediante la determinaci&#243;n de la grasa corporal total&#46; Un valor de &#201;sta igual o inferior al percentil 25 se utiliz&#243; como criterio de desnutrici&#243;n cal&#243;rica&#46; Se realizaron a to-dos los pacientes espirometr&#237;a y gasometr&#237;a arterial en reposo&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Se incluy&#243; en el estudio a 178 pacientes -una mujer &#40;0&#44;6&#37;&#41; y 177 varones &#40;99&#44;4&#37;&#41;-&#44; con una edad media de 69 &#177; 9 a&#241;os&#46; Las prevalencias de bajo peso corporal&#44; desnutrici&#243;n proteica&#44; muscular o visceral y depleci&#243;n grasa fueron del 19&#44;1&#44; el 47&#44;2&#44; el 17&#44;4 y el 19&#44;1&#37;&#44; respectivamente&#46; Entre los pacientes con normopeso&#44; el 62&#44;9&#37; presentaba p&#201;rdida de masa muscular&#46; La proporci&#243;n de casos con &#237;ndice de masa corporal igual o menor del percentil 25 o &#225;rea muscular del brazo igual o inferior al percentil 25 aument&#243; de forma significativa a medida que empeora-ba el grado de obstrucci&#243;n bronquial &#40;p &#60; 0&#44;001 y p &#61; 0&#44;015&#44; respectivamente&#41;&#46; No obstante&#44; hasta un 35&#44;7&#37; de los pacientes con EPOC leve tambi&#201;n mostraron depleci&#243;n proteica muscular&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">La desnutrici&#243;n en pacientes con EPOC estable es un problema frecuente&#44; que aumenta con la gravedad de la enfermedad&#46; La depleci&#243;n afecta tanto al compartimiento graso como al proteico muscular y visceral&#46; No obstante&#44; existe un cierto efecto preferencial sobre la p&#201;rdida de masa muscular&#46; Una proporci&#243;n significativa de pacientes con normopeso tambi&#201;n sufre desnutrici&#243;n proteica muscular&#46; Pese a que las alteraciones en la composici&#243;n corporal son frecuentes&#44; nuestros resultados reflejan una prevalencia de bajo peso corporal menor que la de diversas series publicadas en pa&#237;ses de nuestro entorno social y econ&#243;mico&#46;</p>"
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Original Articles
Prevalence of Malnutrition in Outpatients With Stable Chronic Obstructive Pulmonary Disease
J.J. Solera,
Corresponding author
soler_juacat@gra.es

Correspondence: Dr. J.J. Soler Cataluña. Unidad de Neumología. Servicio de Medicina Interna. Hospital General de Requena. Paraje Casablanca, s/n. 46430 Requena. Valencia. España
, L. Sánchezb, P. Románb, M.A. Martíneza, M. Perpiñác
a Unidad de Neumología, Servicio de Medicina Interna, Hospital General de Requena, Requena, Valencia, Spain
b Servicio de Medicina Interna, Hospital General de Requena, Requena, Valencia, Spain
c Servicio de Neumología, Hospital Universitari La Fe, Valencia. Spain
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    "titulo" => "Prevalence of Malnutrition in Outpatients With Stable Chronic Obstructive Pulmonary Disease"
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            1 => "Malnutrition"
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            2 => "Medidas antropom&#201;tricas"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">To determine the prevalence of malnutrition in outpatients with stable chronic obstructive pulmonary disease &#40;COPD&#41; followed at a respiratory clinic&#46;</p> <span class="elsevierStyleSectionTitle">Material and method</span><p class="elsevierStyleSimplePara elsevierViewall">In this prospective study&#44; we assessed the nutritional status of consecutive outpatients with stable COPD by investigating various anthropometric parameters&#46; Patients were malnourished &#40;low body weight&#41; if their body mass index was within the bottom quartile of a reference population&#46; Muscle mass was determined from the midarm muscle area and if this mass was at or within the bottom quartile&#44; muscle wasting was present&#46; Albumin and transferrin plasma concentrations were used as a measure of visceral protein stores&#46; Fat stores were assessed from body fat and if this value was at or within the bottom quartile&#44; calorific malnutrition was present&#46; All patients underwent arterial blood gas sampling at rest and spirometry&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">A total of 178 patients&#8212;one woman &#40;0&#46;6&#37;&#41; and 177 men &#40;99&#46;4&#37;&#41;&#8212;were enrolled in the study&#44; with a mean &#40;SD&#41; age of 69 &#40;9&#41; years&#46; We found low body weight in 19&#46;1&#37; of the patients&#44; muscle wasting in 47&#46;2&#37;&#44; visceral protein depletion in 17&#46;4&#37;&#44; and fat depletion in 19&#46;1&#37;&#46; Of the patients with normal weight&#44; 62&#46;9&#37; showed muscle wasting&#46; The proportion of patients with a body mass index or midarm muscle area at or within the bottom quartile increased significantly with increased bronchial obstruction &#40;<span class="elsevierStyleItalic">P</span> &#60;&#46;001 and <span class="elsevierStyleItalic">P</span>&#61;&#46;015&#44; respectively&#41;&#44; though 35&#46;7&#37; of the patients showed muscle wasting even when COPD was mild&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Many patients with stable COPD suffer malnutrition&#46; Nutritional state is worse with more severe COPD&#46; Depletion involves both fat stores and muscle and visceral protein stores&#44; but the greatest effect is seen in muscle wasting&#46; A significant number of patients with normal weight also suffer muscle wasting&#46; Although changes in body composition were common in our patients&#44; low body weight was less prevalent than has been reported for populations in countries that are socially and economically similar to Spain&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Determinar la prevalencia de la desnutrici&#243;n en pacientes con enfermedad pulmonar obstructiva cr&#243;nica &#40;EPOC&#41; estable&#44; controlados en una consulta especializada de neumolog&#237;a&#46;</p> <span class="elsevierStyleSectionTitle">Material Y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; un estudio prospectivo y con-secutivo en pacientes con EPOC estable controlados de forma ambulatoria&#46; Para valorar el estado nutricional empleamos diversos par&#225;metros antropom&#201;tricos&#46; Se defini&#243; desnutrici&#243;n global &#40;bajo peso corporal&#41; como la presencia de un &#237;ndice de masa corporal inferior al percentil 25 del valor de referencia&#46; Para valorar el compartimiento proteico muscular se determin&#243; el &#225;rea muscular del brazo y se defini&#243; la depleci&#243;n muscular como un valor de &#225;rea muscular del brazo igual o inferior al percentil 25&#46; Como valoraci&#243;n de la prote&#237;na visceral se midieron las concen-traciones plasm&#225;ticas de alb&#250;mina y transferrina&#46; El compartimiento graso se estudi&#243; mediante la determinaci&#243;n de la grasa corporal total&#46; Un valor de &#201;sta igual o inferior al percentil 25 se utiliz&#243; como criterio de desnutrici&#243;n cal&#243;rica&#46; Se realizaron a to-dos los pacientes espirometr&#237;a y gasometr&#237;a arterial en reposo&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Se incluy&#243; en el estudio a 178 pacientes -una mujer &#40;0&#44;6&#37;&#41; y 177 varones &#40;99&#44;4&#37;&#41;-&#44; con una edad media de 69 &#177; 9 a&#241;os&#46; Las prevalencias de bajo peso corporal&#44; desnutrici&#243;n proteica&#44; muscular o visceral y depleci&#243;n grasa fueron del 19&#44;1&#44; el 47&#44;2&#44; el 17&#44;4 y el 19&#44;1&#37;&#44; respectivamente&#46; Entre los pacientes con normopeso&#44; el 62&#44;9&#37; presentaba p&#201;rdida de masa muscular&#46; La proporci&#243;n de casos con &#237;ndice de masa corporal igual o menor del percentil 25 o &#225;rea muscular del brazo igual o inferior al percentil 25 aument&#243; de forma significativa a medida que empeora-ba el grado de obstrucci&#243;n bronquial &#40;p &#60; 0&#44;001 y p &#61; 0&#44;015&#44; respectivamente&#41;&#46; No obstante&#44; hasta un 35&#44;7&#37; de los pacientes con EPOC leve tambi&#201;n mostraron depleci&#243;n proteica muscular&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">La desnutrici&#243;n en pacientes con EPOC estable es un problema frecuente&#44; que aumenta con la gravedad de la enfermedad&#46; La depleci&#243;n afecta tanto al compartimiento graso como al proteico muscular y visceral&#46; No obstante&#44; existe un cierto efecto preferencial sobre la p&#201;rdida de masa muscular&#46; Una proporci&#243;n significativa de pacientes con normopeso tambi&#201;n sufre desnutrici&#243;n proteica muscular&#46; Pese a que las alteraciones en la composici&#243;n corporal son frecuentes&#44; nuestros resultados reflejan una prevalencia de bajo peso corporal menor que la de diversas series publicadas en pa&#237;ses de nuestro entorno social y econ&#243;mico&#46;</p>"
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