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Endotracheal Colonization and Ventilator-associated Pneumonia in Mechanically Ventilated Patients according to Type of Endotracheal Suction System

기관 흡인술 유형에 따른 인공호흡기 적용 환자의 기관 내 균집락화와 폐렴 발생률

  • Cha, Kyeong-Sook (Department of Infection Control, St. Vincent's Hospital) ;
  • Park, Ho-Ran (College of Nursing, The Catholic University of Korea)
  • 차경숙 (가톨릭대학교 성빈센트병원 감염관리실) ;
  • 박호란 (가톨릭대학교 간호대학)
  • Received : 2010.08.02
  • Accepted : 2011.04.15
  • Published : 2011.04.30

Abstract

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 ${\chi}^2$-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.

Keywords

References

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