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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">TO assess the prevalence of tuberculous infection and disease in recent economic immigrants in Barcelona&#46;</p> <span class="elsevierStyleSectionTitle">Subjects And Method</span><p class="elsevierStyleSimplePara elsevierViewall">Examination and testing of immigrants&#46; Tuberculin tests &#40;TTs&#41; were given and the presence of scars from tuberculosis vaccinations were noted&#46; Thresholds of 5 and 15 mm were established for positivity in unvaccinated and vaccinated individuals&#44; respectively&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">A total of 3651 persons were examined&#44; but only 3151 completed the study&#46; Eighteen were diagnosed with tuberculosis &#40;571&#46;2 per 100&#8200;000&#41; and 50&#46;6&#37; were classified as positive TT reactors&#44; 34&#46;4&#37; because of infection and 16&#46;3&#37; possibly because of tuberculosis vaccination&#46; The percentage of reactors was significantly higher in the sample of economic immigrants than in the local population&#46; Age&#44; male sex&#44; place of origin&#44; greater poverty&#44; and higher prevalence of disease in the country of origin were associated with tuberculous infection in the sample&#46;</p> <span class="elsevierStyleSectionTitle">Discussion</span><p class="elsevierStyleSimplePara elsevierViewall">Active case finding proved efficient&#46; Interference from tuberculosis vaccination greatly affects TT findings&#44; depending on the positivity threshold that is established&#46; We recommend that chest radiographs be used in addition to TTs&#46; Immigration will change the nature of endemic tuberculosis in Spain&#44; and strategies should be specifically designed to deal with the new challenges that will appear&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Conocer la prevalencia de la infecci&#243;n y de la enfermedad tuberculosa en inmigrantes econ&#243;micos y recientes en Barcelona&#46;</p> <span class="elsevierStyleSectionTitle">Sujetos Y M&#233;todo</span><p class="elsevierStyleSimplePara elsevierViewall">Reconocimiento m&#233;dico de inmigrantes&#46; Se practic&#243; la prueba de tuberculina &#40;PT&#41; y se indag&#243; la presencia de cicatriz posvacunaci&#243;n antituberculosa&#46; Se estableci&#243; el dintel de positividad de la PT en 5 mm para los no vacunados y en 15 mm para los vacunados&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Se examin&#243; a 3&#46;651 personas&#44; pero s&#243;lo se incluy&#243; en el an&#225;lisis a las 3&#46;151 que completaron el estudio&#46; Se diagnostic&#243; a 18 enfermos &#40;tasa de 571&#44;2 por 100&#46;000&#41; y el 50&#44;6&#37; se catalog&#243; como reactores positivos a la PT&#44; siendo el 34&#44;4&#37; reactores por infecci&#243;n y 16&#44;3&#37; por posible vacunaci&#243;n antituberculosa&#46; El porcentaje de reactores es estad&#237;sti-camente superior al encontrado en una poblaci&#243;n aut&#243;ctona&#46; La edad&#44; ser var&#243;n&#44; la regi&#243;n de procedencia&#44; la mayor po-breza y la mayor tasa de enfermedad en el pa&#237;s de origen se mostraron asociados a la prevalencia de la infecci&#243;n tuberculosa de los inmigrantes&#46;</p> <span class="elsevierStyleSectionTitle">Discusi&#243;n</span><p class="elsevierStyleSimplePara elsevierViewall">La b&#250;squeda activa se ha mostrado eficiente&#46; La interferencia de la vacunaci&#243;n antituberculosa modifica mucho los resultados&#44; seg&#250;n el dintel de positividad de la PT que se establezca&#46; Se recomienda realizar la PT junto con la radiolog&#237;a del t&#243;rax&#46; La inmigraci&#243;n modificar&#225; la endemia tuberculosa del pa&#237;s y se han de dise&#241;ar estrategias espec&#237;fi-cas para afrontar este nuevo reto de la tuberculosis&#46;</p>"
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Journal Information
Vol. 40. Issue 10.
Pages 453-458 (October 2004)
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Vol. 40. Issue 10.
Pages 453-458 (October 2004)
Original Articles
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Active Tuberculosis Case Finding Among Immigrants in Barcelona
Visits
4120
J. Alcaide Megías
Corresponding author
4862jam@comb.es

Correspondence: Dr. J. Alcaide Megías. CAP Drassanes. Avda. Drassanes, 17-19. 08001 Barcelona. España
, M.N. Altet Gómez, M.L. de Souza Galvao, M.A. Jiménez Fuentes, C. Milà Auge, J. Solsona Peiró
Centro de Prevención y Control de la Tuberculosis, CAP Drassanes, Institut Català de la Salut, Barcelona, Spain
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Article information
Objective

TO assess the prevalence of tuberculous infection and disease in recent economic immigrants in Barcelona.

Subjects And Method

Examination and testing of immigrants. Tuberculin tests (TTs) were given and the presence of scars from tuberculosis vaccinations were noted. Thresholds of 5 and 15 mm were established for positivity in unvaccinated and vaccinated individuals, respectively.

Results

A total of 3651 persons were examined, but only 3151 completed the study. Eighteen were diagnosed with tuberculosis (571.2 per 100 000) and 50.6% were classified as positive TT reactors, 34.4% because of infection and 16.3% possibly because of tuberculosis vaccination. The percentage of reactors was significantly higher in the sample of economic immigrants than in the local population. Age, male sex, place of origin, greater poverty, and higher prevalence of disease in the country of origin were associated with tuberculous infection in the sample.

Discussion

Active case finding proved efficient. Interference from tuberculosis vaccination greatly affects TT findings, depending on the positivity threshold that is established. We recommend that chest radiographs be used in addition to TTs. Immigration will change the nature of endemic tuberculosis in Spain, and strategies should be specifically designed to deal with the new challenges that will appear.

Key Words:
Tuberculosis and immigration
Epidemiology
Tuberculin test
Objetivo

Conocer la prevalencia de la infección y de la enfermedad tuberculosa en inmigrantes económicos y recientes en Barcelona.

Sujetos Y Método

Reconocimiento médico de inmigrantes. Se practicó la prueba de tuberculina (PT) y se indagó la presencia de cicatriz posvacunación antituberculosa. Se estableció el dintel de positividad de la PT en 5 mm para los no vacunados y en 15 mm para los vacunados.

Resultados

Se examinó a 3.651 personas, pero sólo se incluyó en el análisis a las 3.151 que completaron el estudio. Se diagnosticó a 18 enfermos (tasa de 571,2 por 100.000) y el 50,6% se catalogó como reactores positivos a la PT, siendo el 34,4% reactores por infección y 16,3% por posible vacunación antituberculosa. El porcentaje de reactores es estadísti-camente superior al encontrado en una población autóctona. La edad, ser varón, la región de procedencia, la mayor po-breza y la mayor tasa de enfermedad en el país de origen se mostraron asociados a la prevalencia de la infección tuberculosa de los inmigrantes.

Discusión

La búsqueda activa se ha mostrado eficiente. La interferencia de la vacunación antituberculosa modifica mucho los resultados, según el dintel de positividad de la PT que se establezca. Se recomienda realizar la PT junto con la radiología del tórax. La inmigración modificará la endemia tuberculosa del país y se han de diseñar estrategias específi-cas para afrontar este nuevo reto de la tuberculosis.

Palabras clave:
Tuberculosis e inmigración
Epidemiología
Prueba de la tuberculina
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Copyright © 2004. Sociedad Española de Neumología y Cirugía Torácica (SEPAR)
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