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KMID : 0364020080410060736
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Korean Journal of Thoracic and Cardiovascular Surgery
2008 Volume.41 No. 6 p.736 ~ p.741
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Clinical Analysis of Ventilator-Associated Pneumonia in Chest Trauma
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Yun Ju-Sik
Ryu Sang-Woo
Oh Bong-Suk
Jang Won-Chae
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Abstract
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Background: Pneumonia continues to be the most common major infection in trauma patients. Despite the advances in prevention, diagnosis, and treatment for pneumonia, it remains a major cause of morbidity and mortality. The aim of this retrospective study is to identify the risk factors and clinical features of ventilator-associated pneumonia among chest trauma patients.
Material and Method: The study population consisted of 78 mechanically ventilated patients admitted to the ICU of Chonnam National University Hospital between January, 2001, and December, 2006. The patients were divided into two groups: those with pneumonia (Group I) and without pneumonia (Group II). Clinical predictors of the occurrence and mortality for ventilator associated pneumonia were analyzed.
Result: There were 57 men and 21 women, with a mean age of 48.3±19.9 years. Almost half of the patients, 48.7% (38 of 78), had pneumonia. The mortality rate was 21.0% (8 of 38) in Group I and 2.5% (1 of 40) in Group II. The predictors of ventilator-associated pneumonia were the duration of mechanical ventilation (17.4 days vs 6.5 days, p＜0.001), the mean stay in the ICU (21.7 days vs 9.7 days, p＜0.001), the use of inotropics due to hemodynamic instability (63.1% vs 25.0%, p=0.001), and the serum level of CRP (11.3±7.8 vs 6.4±7.3, p= 0.006).
Conclusion: Posttraumatic ventilator-associated pneumonia was significantly related with the duration of mechanical ventilation, the mean stay in ICU, and the use of inotropics due to hemodynamic instability. The serum level of CRP at admission was higher in the pneumonia group. Morbidity and mortality can be reduced by early identification of predictive factors for developing pneumonia in chest trauma patients.
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KEYWORD
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Lung infection, Respiration, artificial, Trauma
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