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Costs and risk factors for ventilator-associated pneumonia in a Turkish university hospital's intensive care unit: a case-control study



Costs and risk factors for ventilator-associated pneumonia in a Turkish university hospital's intensive care unit: a case-control study



Bmc Pulmonary Medicine 4: 3



Ventilator-associated pneumonia (VAP) which is an important part of all nosocomial infections in intensive care unit (ICU) is a serious illness with substantial morbidity and mortality, and increases costs of hospital care. We aimed to evaluate costs and risk factors for VAP in adult ICU. This is a-three year retrospective case-control study. The data were collected between 01 January 2000 and 31 December 2002. During the study period, 132 patients were diagnosed as nosocomial pneumonia of 731 adult medical-surgical ICU patients. Of these only 37 VAP patients were assessed, and multiple nosocomially infected patients were excluded from the study. Sixty non-infected ICU patients were chosen as control patients. Median length of stay in ICU in patients with VAP and without were 8.0 (IQR: 6.5) and 2.5 (IQR: 2.0) days respectively (P < 0.0001). Respiratory failure (OR, 11.8; 95%, CI, 2.2-62.5; P < 0.004), coma in admission (Glasgow coma scale < 9) (OR, 17.2; 95% CI, 2.7-107.7; P < 0.002), depressed consciousness (OR, 8.8; 95% CI, 2.9-62.5; P < 0.02), enteral feeding (OR, 5.3; 95% CI, 1.0-27.3; P = 0.044) and length of stay (OR, 1.3; 95% CI, 1.0-1.7; P < 0.04) were found as important risk factors. Most commonly isolated microorganism was methicillin resistant Staphylococcus aureus (30.4%). Mortality rates were higher in patients with VAP (70.3%) than the control patients (35.5%) (P < 0.003). Mean cost of patients with and without VAP were 2832.2+/-1329.0 and 868.5+/-428.0 US Dollars respectively (P < 0.0001). Respiratory failure, coma, depressed consciousness, enteral feeding and length of stay are independent risk factors for developing VAP. The cost of VAP is approximately five-fold higher than non-infected patients.

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Accession: 048676090

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PMID: 15109397

DOI: 10.1186/1471-2466-4-3


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