Journal of Korean Academy of Fundamentals of Nursing (기본간호학회지)

Korean Academy of Fundamentals of Nursing (기본간호학회)
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A Study on Expiration Date on Ethylene Oxide Gas Sterilization Products - Related to Storage Environment -

Ethylene Oxide 가스 멸균물품의 유효기간에 관한 연구 - 보관환경을 중심으로 -

  • Son, Jeong Sook (Logistics Management Team, Seoul Metropolitan Government Boramae Medical Center, Nursing Graduate School, Chungang University) ;
  • Yu, Il Kyong (Seoul Metropolitan Government Boramae Medical Center, Logistics Management Team)
  • 손정숙 (서울특별시보라매병원, 물류자산팀, 중앙대학교 대학원) ;
  • 유일경 (서울특별시보라매병원, 물류자산팀 중앙공급파트)
  • Received : 2013.12.09
  • Accepted : 2014.03.25
  • Published : 2014.05.31
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Abstract

Purpose: This was a study on the expiration date of Ethylene Oxide (EO) gas sterilization and effects of the environmental factors of temperature, humidity and type of cabinet in sterile goods storage area on the expiration date. Methods: Sterile goods storage areas from 13 departments in one hospital were selected and 455 EO gas sterilization samples were prepared and kept in those areas over the 14 months of the study. Each sample was tested with a microbiological culture in the laboratory every week. If the result was positive, the sample was regarded as contaminated. The researcher visited once a month to check the temperature, humidity and type of cabinet. Results: With the exception of 1 sample which was positive at 56th week. 454 samples were confirmed as negative. The environment of the samples storage area was measured monthly. The annual average temperature was $24.2{\pm}1.6^{\circ}C$, and the mean relative humidity $34.7{\pm}15.2%$. The types of cabinet were 7 open and 6 closed. Conclusion: The results of the microbiological culture at 13 months showed that none of the samples were contaminated. Therefore the hospital's existing Expiration Date can be extended from 6 months to 13~14 months.

Keywords

References

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