National profile and treatment outcomes of adult smear-negative pulmonary TB patients in Benin

Ade, Serge; Harries, AnthonyD; Trebucq, Arnaud; Hinderaker, SvenGudmund; Ade, Gabriel; Agodokpessi, Gildas; Affolabi, Dissou; Anagonou, Severin; (2013) National profile and treatment outcomes of adult smear-negative pulmonary TB patients in Benin. Transactions of the Royal Society of Tropical Medicine and Hygiene, 107 (12). pp. 783-788. ISSN 0035-9203 DOI:

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In Benin, patients with smear-negative pulmonary TB (SNPTB) are of low priority in the National Tuberculosis Programme (NTP) and little is known about their profile or treatment outcomes. A retrospective cohort study was carried out to determine characteristics and treatment outcomes in all adults registered with SNPTB in 2009. Findings were compared with patients with new smear-positive pulmonary tuberculosis (PTB) diagnosed in the same period. Of 3140 patients with PTB, 273 (8.7) had SNPTB, with higher rates in northern and southwestern regions. SNPTB was associated with female gender, older age and HIV-positive status (p0.01). Patients with SNPTB had a higher proportion of unsuccessful treatment outcomes compared with smear-positive PTB owing to death and loss to follow-up (LFU) (p0.01). The region with the capital city had the highest rate of LFU. Differences in unsuccessful outcomes between SNPTB and smear-positive PTB were more apparent in persons who were HIV-negative, and among HIV-positives not on antiretroviral treatment. In Benin, treatment outcomes of SNPTB patients were inferior to those with smear-positive PTB, with LFU being a major problem. The Benin NTP needs to better address the problem of patients with SNPTB in terms of monitoring and reporting, treatment management including that associated with HIV care, and reducing LFU.

Item Type: Article
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Clinical Research
Web of Science ID: 327461400006


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