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Characteristics and outcome of patients with active pulmonary tuberculosis requiring intensive care

¹ Depts of Chest and Infectious Diseases, and ² Microbiology, Helios Klinikum Emil von Behring, affiliated Freie Universität Berlin, Germany.

CORRESPONDENCE: R. Erbes, Helios Klinikum Emil von Behring, Zum Heckeshorn 33, D-14109 Berlin, Germany. Fax: 49 3080022623. E-mail: r.erbes{at}berlin-behring.helios-kliniken.de

Keywords: Intensive care unit, mortality, risk factors, tuberculosis

Received: July 28, 2005
Accepted January 18, 2006

Severe tuberculosis (TB) requiring intensive care unit (ICU) care is rare but commonly known to be of markedly bad prognosis. The present study aimed to describe this condition and to determine the mortality rate and risk factors associated with mortality.

Patients with confirmed TB admitted to ICU between 1990 and 2001 were retrospectively identified and enrolled. Clinical, radiological and bacteriological data at admission and during hospital stay were recorded. A multivariate analysis was performed to identify the predictive factors for mortality.

A total of 58 TB patients (12 females, mean age 48 yrs) admitted to ICU were included. Mean Acute Physiology and Chronic Health Evaluation (APACHE) II score at admission was 13.1±5.6 and 22 of 58 (37.9%) patients required mechanical ventilation. The in-hospital mortality was 15 of 58 (25.9%); 13 (22.4%) patients died in the ICU. The mean survival of patients who died was 53.6 days (range 1–229), with 50% of the patients dying within the first 32 days. The factors independently associated with mortality were: acute renal failure, need for mechanical ventilation, chronic pancreatitis, sepsis, acute respiratory distress syndrome, and nosocomial pneumonia.

These data indicate a high mortality of patients with tuberculosis requiring intensive care unit care and identifies new independently associated risk factors.