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KMID : 0806120110410020175
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대한간호학회지
2011 Volume.41 No. 2 p.175 ~ p.181
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Endotracheal Colonization and Ventilator-associated Pneumonia in Mechanically Ventilated Patients according to Type of Endotracheal Suction System
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Cha Kyeong-Sook
Park Ho-Ran
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Abstract
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Purpose: This study was conducted to identify endotracheal colonization and the incidence of ventilator-associated pneumonia related to the type of endotracheal suction system.
Methods: The participants in this study were ICU patients hospitalized between October 2009 to March 2010 who used ventilators for over 48 hr with closed (CSS, n=30) or open (OSS, n=32) suction systems. To standardize the pre-intervention suction system, a suctioning protocol was taught to the ICU nurses. Collected data were analyzed using χ2-test, Fisher’s exact test, Wilcoxon rank sums test, Wilcoxon test, Log-rank test and Poisson regression.
Results: Endotracheal colonization was higher in OSS than CSS from day 1 to day 8 while using a ventilator and there was a significant difference between the two groups. The CSS reached 50% of endotracheal colonization by the 4th day, whereas for the OSS, it was the 2nd day (p=.04). The incidence of ventilator-associated pneumonia showed no significant difference.
Conclusion: For patients with a high risk of pneumonia, CSS must be used to lower endotracheal colonization.
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KEYWORD
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Suction, Colonization, Ventilator-associated Pneumonia
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