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dc.contributorVall d'Hebron Barcelona Hospital Campus
dc.contributor.authorGil Olivas, Eva
dc.contributor.authorAixut, Sandra
dc.contributor.authorMoreno, Milagros
dc.contributor.authorZacarias, Adriano
dc.contributor.authorNindia, Arlette
dc.contributor.authorSánchez Montalvá, Adrián
dc.contributor.authorAznar, María Luisa
dc.contributor.authorMolina Romero, Israel
dc.contributor.authorMartínez-Campreciós, Joan
dc.contributor.authorEspinosa-Pereiro, Juan
dc.date.accessioned2024-03-06T07:30:53Z
dc.date.available2024-03-06T07:30:53Z
dc.date.issued2024-03-01
dc.identifier.citationMartínez-Campreciós J, Gil E, Aixut S, Moreno M, Zacarias A, Nindia A, et al. Tuberculosis contact tracing, Angola. Bull World Health Organ. 2024 Mar;102(3):196–203.
dc.identifier.issn1564-0604
dc.identifier.urihttps://hdl.handle.net/11351/11161
dc.descriptionContact tracing; Tuberculosis; Angola
dc.description.abstractObjective: To assess the outcomes of a contact-tracing programme to increase the diagnosis of tuberculosis in Cubal, Angola and offer preventive treatment to high-risk groups. Methods: A health centre-based contact-tracing programme was launched in Hospital Nossa Senhora da Paz in March 2015 and we followed the programme until 2022. In that time, staffing and testing varied which we categorized as four periods: medical staff reinforcement, 2015-2017, with a doctor seconded from Vall d'Hebron University Hospital, Spain; routine staff, 2017-2021, with no external medical support; community directly observed treatment (DOT), 2018-2019 with community worker support; and enhanced contact tracing, 2021-2022, with funding that allowed free chest radiographs, molecular and gastric aspirate testing. We assessed differences in contacts seen each month, and testing and treatment offered across the four periods. Findings: Overall, the programme evaluated 1978 contacts from 969 index cases. Participation in the programme was low, although it increased significantly during the community DOT period. Only 16.6% (329/1978) of contacts had a chest radiograph. Microbiological confirmation increased to 72.2% (26/36) after including molecular testing, and 10.1% (200/1978) of contacts received treatment for tuberculosis. Of 457 contacts younger than 5 years, 36 (7.9%) received preventive tuberculosis treatment. Half of the contacts were lost to follow-up before a final decision was taken on treatment. Conclusion: Contact tracing increased the diagnosis of tuberculosis although engagement with the programme was low and loss to follow-up was high. Participation increased during community DOT. Community-based screening should be explored to improve participation and diagnosis.
dc.language.isoeng
dc.publisherWorld Health Organization
dc.relation.ispartofseriesBulletin of the World Health Organization;102(3)
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceScientia
dc.subjectTuberculosi - Diagnòstic
dc.subjectTuberculosi - Epidemiologia
dc.subject.meshContact Tracing
dc.subject.meshTuberculosis
dc.subject.mesh/diagnosis
dc.titleTuberculosis contact tracing, Angola
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.2471/BLT.23.290068
dc.subject.decsrastreo de contactos
dc.subject.decstuberculosis
dc.subject.decs/diagnóstico
dc.relation.publishversionhttps://doi.org/10.2471/BLT.23.290068
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.audienceProfessionals
dc.contributor.organismesInstitut Català de la Salut
dc.contributor.authoraffiliation[Martínez-Campreciós J, Gil E, Aixut S, Espinosa-Pereiro J, Sánchez-Montalvá A, Aznar ML, Molina I] Unitat de Salut Internacional, Drassanes-Vall d’Hebron Hospital Universitari, Barcelona, Spain. Servei de Malalties Infeccioses, Vall d’Hebron Hospital Universitari, Barcelona, Spain. PROSICS Barcelona, Barcelona, Spain. [Moreno M, Zacarias A, Nindia A] Hospital Nossa Senhora da Paz, Cubal, Benguela, Angola
dc.identifier.pmid38420572
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess


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