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Acute respiratory failure in active tuberculosis.

H Levy, J M Kallenbach, C Feldman

    Critical Care Medicine
    |March 1, 1987
    PubMed
    Summary
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    Acute respiratory failure in tuberculosis patients is uncommon but serious, often requiring mechanical ventilation and leading to high mortality rates. Histology revealed tuberculous bronchopneumonia, not adult respiratory distress syndrome.

    Area of Science:

    • Pulmonology
    • Infectious Diseases
    • Critical Care Medicine

    Background:

    • Pulmonary tuberculosis can lead to severe respiratory complications requiring intensive care.
    • Acute respiratory failure (ARF) in tuberculosis (TB) patients presents diagnostic and therapeutic challenges.

    Purpose of the Study:

    • To investigate the incidence, clinical course, and outcomes of ARF in hospitalized TB patients.
    • To differentiate ARF in TB from adult respiratory distress syndrome (ARDS) using histological analysis.

    Main Methods:

    • Retrospective analysis of 15 patients admitted to the ICU over 42 months for ARF associated with pulmonary TB.
    • Documented incidence, need for ventilatory support, duration of ventilation, and mortality.
    • Reviewed pulmonary histology in five cases.

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    Main Results:

    • ARF occurred in 1.5% of hospitalized TB patients.
    • 11 of 15 patients required mechanical ventilation for a mean of 17.3 days.
    • ICU mortality was 33% (5/15), with overall 3-month mortality at 47% (7/15).
    • Histology in five patients showed tuberculous bronchopneumonia, not ARDS.

    Conclusions:

    • ARF in TB patients is associated with significant morbidity and mortality.
    • Clinical presentation may mimic ARDS, but histology confirms tuberculous bronchopneumonia.
    • Prompt initiation of anti-tuberculous chemotherapy is crucial.