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Improved outcomes for patients with multidrug-resistant tuberculosis
G S Turett1, E E Telzak, L V Torian
1Department of Medicine, Bronx-Lebanon Hospital Center, New York 10457, USA.
Summary
Prompt treatment for multidrug-resistant tuberculosis (MDR-TB) improves patient outcomes. Early initiation and continuation of appropriate MDR-TB therapy significantly enhance clinical response and survival rates, even in HIV-infected individuals.
Area of Science:
- Infectious Diseases
- Public Health
- Clinical Medicine
Background:
- Multidrug-resistant tuberculosis (MDR-TB) poses a significant global health challenge.
- High rates of human immunodeficiency virus (HIV) coinfection in MDR-TB patients complicate treatment and worsen prognosis.
- Limited data exist on factors influencing treatment response and survival in MDR-TB patients, particularly in high-HIV prevalence settings.
Purpose of the Study:
- To identify factors affecting clinical and microbiological responses and survival in patients with MDR-TB.
- To evaluate the impact of timely and appropriate therapy on MDR-TB outcomes.
- To assess the role of HIV coinfection in MDR-TB treatment response and survival.
Main Methods:
- Retrospective study of 38 patients with culture-confirmed MDR-TB.
- Analysis of factors including time to susceptibility reporting, duration of appropriate therapy, and disease localization.
- Bivariate and multivariate analyses to determine predictors of response and survival.
Main Results:
- Median time for drug susceptibility reporting was 30 days.
- 89% of patients were coinfected with HIV.
- Appropriate therapy for ≥2 consecutive weeks was significantly associated with improved response and survival.
- Lung-limited tuberculosis and prompt initiation of therapy also showed positive associations.
Conclusions:
- Outcomes for MDR-TB patients can be improved with prompt diagnosis and appropriate treatment.
- Early and consistent administration of effective antitubercular therapy is crucial for enhancing response and survival.
- These findings are particularly relevant for improving care in HIV-coinfected MDR-TB populations.