Journal of Korean Biological Nursing Science

Korean society of Biological Nursing Science (한국기초간호학회)
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Colony Counts by Different Disinfecting Processes and Operating Time for Humidifiers in an Intensive Care Unit

중환자실 내 가습기의 소독방법과 시간적 경과에 따른 균집락 수

  • Park, Soon-Mi (Nursing Team, Department of Nursing, Pusan National University Yangsan Hospital) ;
  • Jeong, Ihn-Sook (College of Nursing, Pusan National University) ;
  • Chang, Chul-Hun L. (Department of Laboratory Medicine, Pusan National University School of Medicine) ;
  • Lee, Young-Soon (Nursing Team, Department of Nursing, Pusan National University Yangsan Hospital)
  • 박순미 (양산부산대학교병원 간호부 간호행정팀) ;
  • 정인숙 (부산대학교 간호대학) ;
  • 장철훈 (부산대학교 의학전문대학원 진단검사의학교실) ;
  • 이영순 (양산부산대학교병원 간호부 특수간호팀)
  • Received : 2009.04.29
  • Accepted : 2009.05.30
  • Published : 2009.06.30
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Abstract

Purpose: This study was aimed to investigate the colony counts by different disinfecting processes and duration of the operation for humidifiers in an intensive care unit (ICU) in Busan. Method: The four steps of disinfecting process were taken with four different humidifiers according to the use of disinfectant (1:100 $Deconex^{(R)}$ 50FF/nothing) and refilling water (tap water/distilled water). First, the colony counts using water sample from wick was conducted at 0 hr, 24 hr, and 48 hr respectively after turning on the humidifiers. Next, the colony counts using waterdrop from the outlet was done at 0 hr, 24 hr, 48 hr, and 72 hr respectively after turning on the humidifiers. Result: No colony was counted after disinfecting with 1:100 $Deconex^{(R)}$ 50FF until 72 hr after turning on the humidifiers. However, without disinfecting with $Deconex^{(R)}$ 50FF, the colony count was increased in the humidifiers from 24 hr after turning on the humidifiers. The result was the same regardless of the refilling water. Conclusion: According to the results, the study found that disinfection of humidifiers in the ICUs with 1:100 $Deconex^{(R)}$ 50FF every 72 hr is effective to remove general bacteria.

Keywords

References

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