Clinical outcomes and prognostic factors in patients with tuberculous destroyed lung

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Abstract

OBJECTIVE: To characterise the prognosis and identify factors contributing to mortality in patients with tuberculous destroyed lung (TDL).DESIGN: Following a retrospective review of clinical data and radiographic fi ndings, 169 patients with TDL were enrolled in this study.All patients were graded on a 4-point scale (fi eld score 1-4) based on the extent of destroyed lung parenchyma on chest radiography.RESULTS: The mean patient age was 64 years (range 33- 90); 103 (61%) were male.The median number of hospitalizations was 1 (range 0-11) during follow-up, with a mean duration of 31 months (range 0-172).Pneumonia developed in 96 patients (57%), while 50 patients (30%) developed acute respiratory failure requiring mechanical ventilation, 37 (22%) haemoptysis, 24 (14%) spontaneous pneumothorax and 22 (13%) reactivation of tuberculosis.Overall mortality was 28% (47/169), with a median survival of 39 months (range 0-176) after diagnosis.TDL-related mortality was 19% (32/169),and a fi eld score ?3 was the only independent predictor of shorter survival based on a Cox proportional hazards model (HR 3.520, 95%CI 1.51-8.20, P = 0.004).CONCLUSION: TDL has a poor prognosis, particularly in patients with more extensive lung destruction.

Original languageEnglish
Pages (from-to)246-250
Number of pages5
JournalInternational Journal of Tuberculosis and Lung Disease
Volume15
Issue number2
StatePublished - Feb 2011

Keywords

  • Mortality
  • Prognosis
  • Pulmonary tuberculosis

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