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Patient mortality of active pulmonary tuberculosis requiring mechanical ventilation

¹ Dept of Internal Medicine, ² Dept of Pathology and ⁴ Dept of Laboratory Medicine, National Taiwan University Hospital, Taipei, and ³ Dept of Health Administration, Hung Kuang Institute of Technology, Taiwan

CORRESPONDENCE: C.J. Yu, Dept of Internal Medicine, National Taiwan University Hospital, 7 Chung-Shan South Road, Taipei 100, Taiwan. Fax: 886 223582867. E-mail: jeffery@ha.mc.ntu.edu.tw

Keywords: mechanical ventilation, pulmonary tuberculosis, respiratory failure

Received: May 9, 2002
Accepted January 31, 2003

Mortality remains high among patients with pulmonary tuberculosis requiring mechanical ventilation (TBMV). This study was carried out to establish the mortality rates of TBMV and to identify factors that contribute to in-hospital mortality.

From January 1996–April 2001, there were 825 patients with active pulmonary tuberculosis at the National Taiwan University Hospital, Taipei, Taiwan. Of these, 41 suffered acute respiratory failure and required mechanical ventilation in the intensive care unit (ICU). Of these 41 patients, 38 were followed up for 180 days. In-hospital deaths were documented in the medical records and all possible parameters contributing to mortality were collected.

Of the 41 patients, 27 died in the hospital and 14 were discharged alive (in-hospital mortality rate 65.9%), with (mean±sd) 40.7±35.4 admission days before death. Of the 27 that died, 25 died during ICU admission and two died after being transferred to the ward. The mortality rate for the 180-day monitoring period was 79%. Factors contributing to in-hospital mortality included consolidations on chest radiographs and multiple organ failure.

The mortality rate in the patients with pulmonary tuberculosis requiring mechanical ventilation is very high, with two factors affecting in-hospital mortality. These factors were multiple organ failure and consolidation on chest radiographs.

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