2019
DOI: 10.1371/journal.pone.0218299
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Predictive factors for unfavourable treatment in MDR-TB and XDR-TB patients in Rio de Janeiro State, Brazil, 2000-2016

Abstract: SettingThe State of Rio de Janeiro stands out as having the second highest incidence and the highest mortality rate due to TB in Brazil. This study aims at identifying the factors associated with the unfavourable treatment of MDR/XDR-TB patients in that State.MethodData on 2269 MDR-TB cases reported in 2000–2016 in Rio de Janeiro State were collected from the Tuberculosis Surveillance System. Bivariate and multivariate logistic regressions were run to estimate the factors associated with unfavourable outcomes … Show more

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Cited by 31 publications
(40 citation statements)
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References 20 publications
(22 reference statements)
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“…Another study conducted in RJ showed that approximately 30% of XDR-TB cases had no previous treatment for multidrug resistance. This suggests that a high proportion of cases of XDR-TB is due to primary infection in RJ ( 16 ). It may also mean that patients with primary resistance can begin basic TB treatment, with the diagnosis delayed by the absence of initial drug resistance detection.…”
Section: Discussionmentioning
confidence: 99%
“…Another study conducted in RJ showed that approximately 30% of XDR-TB cases had no previous treatment for multidrug resistance. This suggests that a high proportion of cases of XDR-TB is due to primary infection in RJ ( 16 ). It may also mean that patients with primary resistance can begin basic TB treatment, with the diagnosis delayed by the absence of initial drug resistance detection.…”
Section: Discussionmentioning
confidence: 99%
“…Nuestro estudio muestra que casi la mitad (42%) de los casos de TB-XDR no tuvieron tratamiento antituberculoso previo, cifra cuatro veces mayor a lo reportado 10 años antes para nuestro país ( 7 ), donde solo 12% de casos de TB-XDR no tenían tratamiento previo. Bhering et al ( 17 ) reportaron, en Brasil, una cifra menor (29%) a la de nuestro estudio. Es importante también mencionar los esfuerzos del país por mejorar el acceso y la cobertura del diagnóstico de la TB resistente ( 6 ) que contribuye a evidenciar, en cierta medida, el incremento de la transmisión de la TB-XDR en comunidad.…”
Section: Discussionunclassified
“…Por otro lado, es importante resaltar que, todavía, un grupo de pacientes tuvo el antecedente de haber recibido tratamiento antituberculoso previo (aproximadamente 58%), y que fue menor que lo reportado en estudios anteriores para nuestro país ( 7 ) y para Brasil ( 17 ). Se ha descrito que el tratamiento previo con drogas de segunda línea, así como la prescripción inadecuada de terapia combinada de medicamentos para la tuberculosis, incluida la selección, dosificación y dispensación incorrectas del medicamento, además de retrasos en el diagnóstico de tuberculosis farmacorresistente, pueden contribuir con la aparición de un mayor número de formas resistentes ( 4 , 8 , 18 ) y el consiguiente aumento en la proporción de casos de TB-XDR primaria.…”
Section: Discussionunclassified
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