Fecha: 01/05/2003
Idioma: Inglés
Procedencia: Critical care medicine
Ubicación: España

Crit Care Med. 2003 May; 31(5): p.1312-1317

Warren DK, Shukla SJ, Olsen MA, Kollef MH, Hollenbeak CS, Cox MJ, Cohen MM, Fraser VJ.
Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA


OBJECTIVE: To determine the attributable cost of ventilator-associated pneumonia from a hospital-based cost perspective, after adjusting for potential confounders. DESIGN: Patients admitted between January 19, 1998, and December 31, 1999, were followed prospectively for the occurrence of ventilator-associated pneumonia. Hospital costs were defined by using the hospital cost accounting database.

SETTING: The medical and surgical intensive care units at a suburban, tertiary care hospital. PATIENTS: Patients requiring >24 hrs of mechanical ventilation. INTERVENTIONS: None.

MEASUREMENTS AND MAIN RESULTS: We measured occurrence of ventilator-associated pneumonia, in-hospital mortality rate, total intensive care unit (ICU) and hospital lengths of stay (LOS), and total hospital cost per patient. Ventilator-associated pneumonia occurred in 127 of 819 patients (15.5%). Compared with uninfected, ventilated patients, patients with ventilator-associated pneumonia had a higher Acute Physiology and Chronic Health Evaluation II score on admission (p <.001) and were more likely to require multiple intubations (p <.001), hemodialysis (p <.001), tracheostomy (p <.001), central venous catheters (p <.001), and corticosteroids (p <.001). Patients with ventilator-associated pneumonia were more likely to be bacteremic during their ICU stay (36 [28%] vs. 22 [3%]; p <.001). Patients with ventilator-associated pneumonia had significantly higher unadjusted ICU LOS (26 vs. 4 days; p <.001), hospital LOS (38 vs. 13 days; p <.001), mortality rate (64 [50%] vs. 237 [34%]; p <.001), and hospital costs (70,568 dollars vs. 21,620 dollars, p <.001). Multiple linear regression, controlling for other factors that may affect costs, estimated the attributable cost of ventilator-associated pneumonia to be 11,897 dollars (95% confidence interval = 5,265 dollars-26,214 dollars; p <.001). CONCLUSIONS: Patients with ventilator-associated pneumonia had significantly longer ICU and hospital LOS, with higher crude hospital cost and mortality rate compared with uninfected patients. After we adjusted for underlying severity of illness, the attributable cost of ventilator-associated pneumonia was approximately 11,897 dollars.
Warren, D.K. … [et al.]

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