Screening for latent tuberculosis infection among undocumented immigrants in Swiss healthcare centres; a descriptive exploratory study.

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Etat: Public
Version: de l'auteur
ID Serval
serval:BIB_FB275E546925
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Screening for latent tuberculosis infection among undocumented immigrants in Swiss healthcare centres; a descriptive exploratory study.
Périodique
BMC Infectious Diseases
Auteur(s)
Bodenmann P., Vaucher P., Wolff H., Favrat B., de Tribolet F., Masserey E., Zellweger J.P.
ISSN
1471-2334[electronic]
Statut éditorial
Publié
Date de publication
2009
Peer-reviewed
Oui
Volume
9
Pages
34
Langue
anglais
Résumé
BACKGROUND: Migration is one of the major causes of tuberculosis in developed countries. Undocumented patients are usually not screened at the border and are not covered by a health insurance increasing their risk of developing the disease unnoticed. Urban health centres could help identify this population at risk. The objective of this study is to assess the prevalence of latent tuberculosis infection (LTBI) and adherence to preventive treatment in a population of undocumented immigrant patients. METHODS: All consecutive undocumented patients that visited two urban healthcare centres for vulnerable populations in Lausanne, Switzerland for the first time were offered tuberculosis screening with an interferon-gamma assay. Preventive treatment was offered if indicated. Adherence to treatment was evaluated monthly over a nine month period. RESULTS: Of the 161 participants, 131 (81.4%) agreed to screening and 125 had complete examinations. Twenty-four of the 125 patients (19.2%; CI95% 12.7;27.2) had positive interferon-gamma assay results, two of which had active tuberculosis. Only five patients with LTBI completed full preventive treatments. Five others initiated the treatment but did not follow through. CONCLUSION: Screening for tuberculosis infection in this hard-to-reach population is feasible in dedicated urban clinics, and the prevalence of LTBI is high in this vulnerable population. However, the low adherence to treatment is an important public health concern, and new strategies are needed to address this problem.
Mots-clé
Adult, Community Health Centers, Emigrants and Immigrants, Female, Humans, Interferon-gamma/blood, Male, Mass Screening, Patient Compliance, Risk Factors, Switzerland/epidemiology, Tuberculosis/epidemiology
Pubmed
Web of science
Open Access
Oui
Création de la notice
30/09/2009 14:30
Dernière modification de la notice
20/08/2019 17:26
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