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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">The purpose of this study was to explore the association between tuberculin reaction size in contacts with positive tuberculin skin test results and a variety of contact and index patient variables&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">We reviewed the contact investigation records for tuberculosis patients identified by the Tuberculosis Prevention and Control Center of Lleida&#44; Spain&#44; over a period of 7 years&#46; Patients with pulmonary and&#47;or extrapulmonary disease were included&#46; Tuberculosis infection had been diagnosed using the Mantoux skin test with 2 tuberculin units of purified protein derivative RT-23&#44; and tuberculosis disease had been detected on the basis of clinical data&#44; chest radiographs&#44; and cultures&#46; We examined the association between tuberculin reaction size and contact age&#44; close contact with index patients with positive sputum smears&#44; and diagnosis of tuberculosis disease in contacts&#46; Associations were analyzed using the &#967;<span class="elsevierStyleSup">2</span> test for linear trend&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Tuberculin reaction size was 10 mm or greater in 85&#46;9&#37; of the 768 contacts analyzed and 15 mm or greater in 63&#46;8&#37;&#46; The percentage of contacts under 15 years of age &#40;P&#61;&#46;006&#41; who had close contact with an index patient with a positive sputum smear &#40;P&#61;&#46;013&#41; and who were diagnosed with tuberculosis disease &#40;P&#61;&#46;029&#41; increased with tuberculin reaction size&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">We found that larger tuberculin reaction size in contacts with positive tuberculin skin test results was most frequently associated with recent infections in the contact&#44; close contact with an index patient with a positive sputum smear&#44; and diagnosis of tuberculosis disease in contact&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">En este trabajo se ha analizado la asociaci&#243;n del tama&#241;o de las reacciones tubercul&#237;nicas con diversas variables del contacto y del caso &#237;ndice en contactos de pacientes tuberculosos con prueba de la tuberculina positiva&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se revisaron los estudios de contactos realizados a pacientes tuberculosos en el Centro de Prevenci&#243;n y Control de la Tuberculosis de Lleida durante un per&#237;odo de 7 a&#241;os&#46; Se incluyeron en el trabajo las revisiones realizadas a pacientes tuberculosos con localizaci&#243;n pulmonar y&#47;o extrapulmonar&#46; Para el diagn&#243;stico de infecci&#243;n tuberculosa se realiz&#243; el test de Mantoux con 2 UT de tuberculina PPD-RT23&#46; Para detectar la enfermedad tuberculosa se examinaron la situaci&#243;n cl&#237;nica&#44; la radiograf&#237;a de t&#243;rax y la bacteriolog&#237;a&#46; Se analiz&#243; la asociaci&#243;n entre el tama&#241;o de la reacci&#243;n tubercul&#237;nica con la edad del contacto&#44; con ser conviviente de un caso &#237;ndice con baciloscopia positiva y con el diagn&#243;stico de enfermedad tuberculosa en el contacto&#46; Para el an&#225;lisis de las asociaciones anteriores se utiliz&#243; la prueba de la &#967;<span class="elsevierStyleSup">2</span> de tendencia lineal&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">El 85&#44;9&#37; de los 768 contactos con prueba de la tuberculina positiva presentaron un di&#225;metro de induraci&#243;n de la reacci&#243;n tubercul&#237;nica igual o superior a 10 mm&#44; y el 63&#44;8&#37; una induraci&#243;n igual o superior a 15 mm&#46; Al aumentar el tama&#241;o de la induraci&#243;n tubercul&#237;nica se detect&#243; un incremento del porcentaje de contactos menores de 15 a&#241;os &#40;p &#61; 0&#44;006&#41;&#44; convivientes de caso &#237;ndice con baciloscopia positiva &#40;p &#61; 0&#44;013&#41; y con diagn&#243;stico de enfermedad tuberculosa &#40;p &#61; 0&#44;029&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Los contactos con prueba de la tuberculina positiva que presentan reacciones de mayor tama&#241;o se han asociado con mayor frecuencia a contactos con infecciones recientes&#44; a contactos convivientes de caso &#237;ndice con baciloscopia positiva y a contactos con enfermedad tuberculosa&#46;</p>"
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Original Articles
Tuberculin Reaction Size in Tuberculosis Patient Contact
Miquel Alsedà
Corresponding author
miquel.alseda@gencat.net

Correspondence: Dr. M. Alsedà. Camp de Mart, 39, 3.º, 2.ª. 25004 Lleida. España
, Pere Godoy
Sección de Epidemiología, Delegación Territorial del Departamento de Sanidad y Seguridad Social de Lleida, Facultad de Medicina, Universidad de Lleida, Lleida, Spain
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">The purpose of this study was to explore the association between tuberculin reaction size in contacts with positive tuberculin skin test results and a variety of contact and index patient variables&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">We reviewed the contact investigation records for tuberculosis patients identified by the Tuberculosis Prevention and Control Center of Lleida&#44; Spain&#44; over a period of 7 years&#46; Patients with pulmonary and&#47;or extrapulmonary disease were included&#46; Tuberculosis infection had been diagnosed using the Mantoux skin test with 2 tuberculin units of purified protein derivative RT-23&#44; and tuberculosis disease had been detected on the basis of clinical data&#44; chest radiographs&#44; and cultures&#46; We examined the association between tuberculin reaction size and contact age&#44; close contact with index patients with positive sputum smears&#44; and diagnosis of tuberculosis disease in contacts&#46; Associations were analyzed using the &#967;<span class="elsevierStyleSup">2</span> test for linear trend&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Tuberculin reaction size was 10 mm or greater in 85&#46;9&#37; of the 768 contacts analyzed and 15 mm or greater in 63&#46;8&#37;&#46; The percentage of contacts under 15 years of age &#40;P&#61;&#46;006&#41; who had close contact with an index patient with a positive sputum smear &#40;P&#61;&#46;013&#41; and who were diagnosed with tuberculosis disease &#40;P&#61;&#46;029&#41; increased with tuberculin reaction size&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">We found that larger tuberculin reaction size in contacts with positive tuberculin skin test results was most frequently associated with recent infections in the contact&#44; close contact with an index patient with a positive sputum smear&#44; and diagnosis of tuberculosis disease in contact&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">En este trabajo se ha analizado la asociaci&#243;n del tama&#241;o de las reacciones tubercul&#237;nicas con diversas variables del contacto y del caso &#237;ndice en contactos de pacientes tuberculosos con prueba de la tuberculina positiva&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se revisaron los estudios de contactos realizados a pacientes tuberculosos en el Centro de Prevenci&#243;n y Control de la Tuberculosis de Lleida durante un per&#237;odo de 7 a&#241;os&#46; Se incluyeron en el trabajo las revisiones realizadas a pacientes tuberculosos con localizaci&#243;n pulmonar y&#47;o extrapulmonar&#46; Para el diagn&#243;stico de infecci&#243;n tuberculosa se realiz&#243; el test de Mantoux con 2 UT de tuberculina PPD-RT23&#46; Para detectar la enfermedad tuberculosa se examinaron la situaci&#243;n cl&#237;nica&#44; la radiograf&#237;a de t&#243;rax y la bacteriolog&#237;a&#46; Se analiz&#243; la asociaci&#243;n entre el tama&#241;o de la reacci&#243;n tubercul&#237;nica con la edad del contacto&#44; con ser conviviente de un caso &#237;ndice con baciloscopia positiva y con el diagn&#243;stico de enfermedad tuberculosa en el contacto&#46; Para el an&#225;lisis de las asociaciones anteriores se utiliz&#243; la prueba de la &#967;<span class="elsevierStyleSup">2</span> de tendencia lineal&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">El 85&#44;9&#37; de los 768 contactos con prueba de la tuberculina positiva presentaron un di&#225;metro de induraci&#243;n de la reacci&#243;n tubercul&#237;nica igual o superior a 10 mm&#44; y el 63&#44;8&#37; una induraci&#243;n igual o superior a 15 mm&#46; Al aumentar el tama&#241;o de la induraci&#243;n tubercul&#237;nica se detect&#243; un incremento del porcentaje de contactos menores de 15 a&#241;os &#40;p &#61; 0&#44;006&#41;&#44; convivientes de caso &#237;ndice con baciloscopia positiva &#40;p &#61; 0&#44;013&#41; y con diagn&#243;stico de enfermedad tuberculosa &#40;p &#61; 0&#44;029&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Los contactos con prueba de la tuberculina positiva que presentan reacciones de mayor tama&#241;o se han asociado con mayor frecuencia a contactos con infecciones recientes&#44; a contactos convivientes de caso &#237;ndice con baciloscopia positiva y a contactos con enfermedad tuberculosa&#46;</p>"
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    ]
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Article information
ISSN: 15792129
Original language: English
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2013 December 49 7 56
2013 November 27 5 32
2013 October 32 9 41
2013 September 36 9 45
2013 August 49 9 58
2013 July 55 10 65
2013 June 48 6 54
2013 May 33 6 39
2013 April 13 1 14
2013 March 5 1 6
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Archivos de Bronconeumología

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