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Estimated rates of recurrence, cure, and treatment abandonment in patients with pulmonary tuberculosis treated with a ­four-drug fixed-dose combination regimen at a tertiary health care facility in the city of Rio de Janeiro, Brazil / Estimativas das taxas de recidiva, cura e abandono de tratamento em pacientes com tuberculose pulmonar tratados com esquema de dose fixa combinada de quatro drogas em uma unidade de saúde terciária na cidade do Rio de Janeiro
Silva, Vangie Dias da; Mello, Fernanda Carvalho de Queiroz; Figueiredo, Sonia Catarina de Abreu.
  • Silva, Vangie Dias da; Universidade Federal do Rio de Janeiro. Programa de Pós-Graduação. Rio de Janeiro. BR
  • Mello, Fernanda Carvalho de Queiroz; Universidade Federal do Rio de Janeiro. Programa de Pós-Graduação. Rio de Janeiro. BR
  • Figueiredo, Sonia Catarina de Abreu; Universidade Federal do Rio de Janeiro. Programa de Pós-Graduação. Rio de Janeiro. BR
J. bras. pneumol ; 43(2): 113-120, Mar.-Apr. 2017. tab, graf
Article in English | LILACS | ID: biblio-841272
ABSTRACT
ABSTRACT

Objective:

To estimate the rates of recurrence, cure, and treatment abandonment in patients with pulmonary tuberculosis treated with a four-drug fixed-dose combination (FDC) regimen, as well as to evaluate possible associated factors.

Methods:

This was a retrospective observational study involving 208 patients with a confirmed diagnosis of pulmonary tuberculosis enrolled in the Hospital Tuberculosis Control Program at the Institute for Thoracic Diseases, located in the city of Rio de Janeiro, Brazil. Between January of 2007 and October of 2010, the patients were treated with the rifampin-isoniazid-pyrazinamide (RHZ) regimen, whereas, between November of 2010 and June of 2013, the patients were treated with the rifampin-isoniazid-pyrazinamide-ethambutol FDC (RHZE/FDC) regimen. Data regarding tuberculosis recurrence and mortality in the patients studied were retrieved from the Brazilian Case Registry Database and the Brazilian Mortality Database, respectively. The follow-up period comprised two years after treatment completion.

Results:

The rates of cure, treatment abandonment, and death were 90.4%, 4.8%, and 4.8%, respectively. There were 7 cases of recurrence during the follow-up period. No significant differences in the recurrence rate were found between the RHZ and RHZE/FDC regimen groups (p = 0.13). We identified no factors associated with the occurrence of recurrence; nor were there any statistically significant differences between the treatment groups regarding adverse effects or rates of cure, treatment abandonment, or death.

Conclusions:

The adoption of the RHZE/FDC regimen produced no statistically significant differences in the rates of recurrence, cure, or treatment abandonment; nor did it have any effect on the occurrence of adverse effects, in comparison with the use of the RHZ regimen.
RESUMO
RESUMO

Objetivo:

Estimar as taxas de recidiva, cura e abandono de tratamento em pacientes com tuberculose pulmonar tratados com o esquema de dose fixa combinada (DFC) de quatro drogas e avaliar possíveis fatores associados.

Métodos:

Estudo observacional retrospectivo com 208 pacientes com diagnóstico confirmado de tuberculose pulmonar registrados no Programa de Controle da Tuberculose Hospitalar do Instituto de Doenças do Tórax, localizado na cidade do Rio de Janeiro. Os pacientes tratados entre janeiro de 2007 e outubro de 2010 receberam o esquema rifampicina-isoniazida-pirazinamida (RHZ), e aqueles tratados entre novembro de 2010 e junho de 2013 receberam o esquema rifampicina-isoniazida-pirazinamida-etambutol em DFC (RHZE/DFC). Os dados dos pacientes sobre recidiva e óbito foram obtidos no Sistema de Informação de Agravos de Notificação e no Sistema de Informação de Mortalidade, respectivamente. O período de acompanhamento foi de dois anos após o encerramento do tratamento.

Resultados:

As taxas de cura, abandono e óbito foram de 90,4%, 4,8% e 4,8%, respectivamente. Houve 7 casos de recidivas durante o período de acompanhamento. Não houve diferenças significativas na taxa de recidiva entre os grupos de tratamento RHZ e RHZE/DFC (p = 0,13). Não foram identificados fatores associados com a ocorrência de recidiva, nem houve diferenças estatisticamente significativas na ocorrência dos efeitos adversos ou nas taxas de cura, abandono e óbito entre os grupos de tratamento.

Conclusões:

A adoção do esquema de tratamento RHZE/DFC não produziu diferenças estatisticamente significativas nas taxas de recidiva, cura e abandono nem na ocorrência de efeitos adversos em comparação com o esquema RHZ.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Tuberculosis, Pulmonary / Antibiotics, Antitubercular Type of study: Diagnostic study / Etiology study / Incidence study / Observational study / Prognostic study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio de Janeiro/BR

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Full text: Available Index: LILACS (Americas) Main subject: Tuberculosis, Pulmonary / Antibiotics, Antitubercular Type of study: Diagnostic study / Etiology study / Incidence study / Observational study / Prognostic study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio de Janeiro/BR