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• W2079344764 abstract "A ausência de conversão dos exames micobacteriológicos direto e/ou cultural de expetoração após 2 meses de tratamento para a tuberculose (TB) tem sido considerado um preditor do grau de infeciosidade do doente e de falência terapêutica. Os autores estabeleceram por objetivo a identificação dos fatores associados com a conversão tardia dos exames direto e cultural de expetoração num grupo de doentes com TB pulmonar sob tratamento antibacilar. Coorte retrospetiva de 136 doentes adultos com TB pulmonar, confirmada por exame cultural de expetoração, referenciados a um Centro de Diagnóstico Pneumológico urbano. Foram analisadas variáveis sócio-demográficas, clínicas, radiológicas, microbiológicas e relacionadas com a terapêutica. A mediana de idades foi 41,0 (intervalo interquartil [IIQ] 18,0) anos e 75,0% dos doentes eram do género masculino. A conversão tardia dos exames de expetoração direto e cultural ocorreu em 25,4% (30/118) e 27,2% (37/136) dos doentes, respetivamente. Pela análise multivariada, a idade ≥ 50 anos (odds ratio [OR] 4,4, intervalo de confiança [IC] 95% 1,5-13,3), o género masculino (OR 10,8, IC 95% 1,3-91,1), e a carga bacilar > 1-9 bacilos álcool-ácido resistentes (BAAR)/campo (3+) (OR 11,7, IC 95% 1,4-100,6) estiveram significativamente associados com a positividade persistente do exame direto, após 2 meses de tratamento. O envolvimento radiológico bilateral (OR 3,7, IC 95% 1,5-9,0) e a contagem de colónias > 100 (3+) (OR 5,8, IC 95% 1,2-27,4) estiveram significativamente associados com a positividade persistente do exame cultural. A conversão tardia dos exames direto e cultural de expetoração ocorreu em cerca de um terço dos doentes. A idade mais avançada, o género masculino e a elevada carga bacilar estiveram independentemente associados com a conversão tardia do exame direto de expetoração. O envolvimento radiológico bilateral e a contagem de colónias mais elevada estiveram independentemente associados com a conversão tardia do exame cultural. Failure of sputum smear and/or culture conversion after 2 months of tuberculosis (TB) treatment has been considered a predictor of patient infectivity and treatment failure. We aimed to identify the factors associated with delayed sputum smear and culture conversion in patients with pulmonary TB who were given anti-TB treatment. Retrospective cohort of 136 adult patients with sputum culture-proven pulmonary TB referred to an urban Chest Disease Centre. Socio-demographic, clinical, radiological, microbiological, and therapeutic data were evaluated. The median age was 41.0 (interquartile range [IQR] 18.0) years and 75.0% of patients were male. Delayed sputum smear and culture conversion occurred in 25.4% (30/118) and 27.2% (37/136) of patients, respectively. Multivariate analysis indicated that age ≥ 50 years (odds ratio [OR] 4.4, 95% confidence interval [CI] 1.5-13.3), male gender (OR 10.8, 95% CI 1.3-91.1), and smear grade > 1-9 acid fast bacilli (AFB)/field (3+) (OR 11.7, 95% CI 1.4-100.6) were significantly associated with persistent smear positivity after 2 months of treatment. Bilateral radiological involvement (OR 3.7, 95% CI 1.5-9.0) and colony count > 100 (3+) (OR 5.8, 95% CI 1.2-27.4) were significantly associated with persistent culture positivity. Delayed sputum smear and culture conversion occurred in about one third of patients. Older age, male gender, and higher bacillary load were independently associated with delayed smear conversion. Bilateral radiological involvement and higher colony count were independently associated with delayed culture conversion." @default.
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• W2079344764 title "Preditores de conversão tardia dos exames micobacteriológicos direto e cultural de expetoração numa população portuguesa com tuberculose pulmonar" @default.
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