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Mortality and time to extubation in severe hospital-acquired pneumonia
Sarah M Connelly1, Jane V Trinh, Melissa D Johnson
1Department of Internal Medicine, Duke University Medical Center, Durham, NC 27710, USA.
Background:
This study examined predictors of in-hospital mortality and time to extubation among patients with acute, severe hospital-acquired pneumonia (HAP) managed in the intensive care unit (ICU).
Methods:
Patients with HAP prospectively identified between June 2001 and May 2003 were included in the study if they (1) met the Centers for Disease Control and Prevention's definition for HAP, (2) were treated in the ICU within 1 day of the HAP diagnosis, and (3) required intubation acutely or had a bloodstream infection within 48 hours of the HAP diagnosis.
Results:
The cohort included 219 patients, 83 of whom died (37.9%). Independent predictors of mortality included cancer (odds ratio [OR] = 4.2; 95% confidence interval [CI] = 1.7 to 10.5), age over 60 years (OR = 2.7; 95% CI = 1.3 to 5.6), APACHE-II score >15 (OR = 2.0; 95% CI = 1.0 to 4.1), and receiving care in the medical ICU (OR = 3.0; 95% CI = 1.1 to 8.2). The following predictors were associated with an increased time to extubation: receipt of vancomycin (1.81-fold increase; P = .001), immunocompromised status (1.92-fold increase; P = .07), and treatment in the surgical or neurosurgical ICU (1.95-fold increase, P = .01; 1.83-fold increase, P = .03).
Conclusion:
Vancomycin was associated with increased time to extubation. Alternatives to vancomycin for treating patients with acute, severe HAP should be studied.
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