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Revista chilena de enfermedades respiratorias

versión On-line ISSN 0717-7348


MEDINA A, CRISTIÁN et al. Fatality rate and survival amongst discharged inpatients with tuberculosis, Instituto Nacional del Torax, Chile. Rev. chil. enferm. respir. [online]. 2016, vol.32, n.4, pp.217-223. ISSN 0717-7348.

Background: Tuberculosis (TB) still is a public health issue in Chile. In the year 2015 TB incidence rate was 16 cases per 100.000 habitants and case fatality rate reached 10,8% of patients belonging to the last TB treatment follow-up of pulmonary cases cohort (2013). It is well noted higher case fatality rate in TB hospitalized patients. The aim of this study is to determine our hospital case-fatality rate, recognize main risks factors involved and establish survival at 6 months since hospital discharge. Methods: We conducted an observational retrospective study in the Instituto Nacional del Tórax (INT) including inpatients adults over 15 years old between July 2012 and June 2015 whose diagnosis at discharge time was tuberculosis. Demographic data, comorbidities, laboratory, microbiological and radiological test, hospital stay, treatment, complications and mortality at 6 months were recorded. We used a logistic regression model to identify mortality-associated factors and to analyze the survival using Kaplan-Meier’s method. Results: 100 patients whose average age was 46 ± 19 years-old were included. 64% were male. Pulmonary tuberculosis predominated (79 cases). The hospital stay was 27 ± 32 days. In-hospital case fatality rate was higher in pulmonary TB compared to other TB forms (11.4% and 8% respectively). Survival at 6 months was 91%. Multivariate analysis showed that increased case fatality rate was associated with albumin 3.0 g/dL, thrombocytopenia, and shock. Conclusions: case fatality rate in our hospitalized TB patients is similar to that described in the country. We must pay attention in pulmonary TB inpatients, which have decreased levels of albumin and platelet, or develop septic shock.

Palabras clave : Tuberculosis; Hospital Mortality; lethality; riskfactors; public health.

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