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. 2014 Mar 21;4(1):53-5.
doi: 10.5588/pha.13.0085.

Effectiveness of reporting on latent tuberculous infection in Massachusetts, 2006-2008

N S Hochberg  1 , R W Kubiak  2 , A Tibbs  3 , H Elder  2 , S Sharnprapai  3 , S Etkind  3 , C R Horsburgh Jr  2
Affiliations

Effectiveness of reporting on latent tuberculous infection in Massachusetts, 2006-2008

N S Hochberg et al. Public Health Action. .

Abstract
in English, French, Spanish

Massachusetts is one of five states that mandate the reporting of latent tuberculous infection (LTBI). We assessed 2006-2008 Massachusetts surveillance data for LTBI to describe the system and examine the characteristics of persons with LTBI. Over 3 years, 15 301 LTBI cases were reported (4742-5398/year). Among those with known country of birth (n = 11 655), 9983 (85.7%) were foreign-born. Substantial under-ascertainment and/or under-reporting appear likely; mandatory reporting does not appear sufficient for LTBI detection. Enhanced targeted testing, active LTBI surveillance, or laboratory-based surveillance may be needed to eliminate tuberculosis disease in the United States.

Le Massachusetts est l'un des cinq états qui exige la déclaration de l'infection tuberculeuse latente (LTBI). Nous avons évalué les données de surveillance de la LTBI au Massachusetts de 2006 à 2008 afin de décrire le système et d'étudier les caractéristiques des patients. En trois ans, 15 301 cas ont été rapportés (4742 à 5398 par an). Parmi les 11 655 patients dont le pays d'origine était connu, 9983 (85,7%) étaient nés à l'étranger. Il est probable que ce système de déclaration et de surveillance est déficient, car la déclaration obligatoire ne parait pas suffire à la détection de la LTBI. L'élimination de la tuberculose aux Etats-Unis pourrait nécessiter de mettre l'accent sur le dépistage ciblé, la surveillance active de la LTBI ou une surveillance basée sur les examens de laboratoire.

Massachusetts es uno de los cinco estados en los cuales la notificación de la infección tuberculosa latente (LTBI) es obligatoria. En el presente estudio se evaluaron los datos de la vigilancia de esta afección entre el 2006 y el 2008, con el objeto de describir el sistema de vigilancia y examinar las características de las personas con diagnóstico de LTBI en Massachusetts. Durante el período de 3 años del estudio se notificaron 15 301 casos (de 474 a 5398 por año). De los casos en los cuales se conocía el país de origen (n = 11 655), 9983 personas habían nacido en el extranjero (85,7%). Es muy probable que exista una considerable deficiencia en la verificación y la notificación; la declaración obligatoria no parece una medida suficiente para detectar la LTBI. Se precisa una intensificación de las pruebas diagnósticas dirigidas, una vigilancia activa o una vigilancia de laboratorio de esta afección, con el propósito de eliminar la enfermedad tuberculosa en los Estados Unidos de América.

Keywords: epidemiology; interferon-gamma release test; surveillance; tuberculin test.

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