Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Comparison of Fit Factor for Healthcare Workers Before and After Training with the N95 Mask

의료용 N95 마스크 착용방법에 대한 교육 전·후 밀착계수 비교

  • Kim, Hyunwook (Dept. of Prev. Med, College of Medicine, The Catholic University of Korea) ;
  • Baek, Jung Eun (Dept. of Prev. Med, College of Medicine, The Catholic University of Korea) ;
  • Seo, Hye Kyung (Dept. of Prev. Med, College of Medicine, The Catholic University of Korea) ;
  • Lee, Jong-Eun (College of Nursing, The Catholic University of Korea) ;
  • Myong, Jun-Pyo (Dept. of Occup. and Environ. Med., College of Medicine, The Catholic University of Korea) ;
  • Lee, Seung-Joo (3M Personal Safety Division, APAC Laboratory, 3M Korea) ;
  • Lee, Jin-Ho (3M Personal Safety Division, APAC Laboratory, 3M Korea)
  • 김현욱 (가톨릭대학교 의과대학 예방의학교실) ;
  • 백정은 (가톨릭대학교 의과대학 예방의학교실) ;
  • 서혜경 (가톨릭대학교 의과대학 예방의학교실) ;
  • 이종은 (가톨릭대학교 간호대학) ;
  • 명준표 (가톨릭대학교 직업환경의학과/직업환경의학센터) ;
  • 이승주 (한국쓰리엠 기술연구소) ;
  • 이진호 (한국쓰리엠 기술연구소)
  • Received : 2014.09.19
  • Accepted : 2014.12.17
  • Published : 2014.12.31
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Abstract

Objectives: This study compares the differences of fit factors before and after training on the N95 mask. The results will be utilized to suggest the need of providing effective training on respirator use. Methods: A total of 49 study subjects were tested, comprised of nurses from a general hospital and undergraduate nursing students from a medical school. Anthropometric measurements of face length and face width were compared with the NIOSH(National Institute for Occupational Safety and Health) panel. Fit factors(FF) were measured with TSI Portacount Pro+8038 before and after on-site training regarding the proper use of respirators. The FF pass/fail criterion was set at 100. Results: Two subjects(4.1 %) passed the fit test before training on use of the N95. However, 36(73.5%) of the 49 passed the test after training. Overall the FF(GM(GSD)) was 13.4(3.2) before training, but improved to 106.6(2.1) after training, which was statistically significant. These findings suggest the efficacy of educational intervention, and the performance of the direct on-site training proved to be better than that of the traditional educational methods. Conclusions: This study showed the effect of on-site training of the N95 respirator among health care workers(HCW). Therefore, providing effective training on the use of N95 for HCWs before their work assignments will greatly reduce exposure to harmful agents. It is recommended that fit testing be mandated to check for adequate protection being provided by the given respirators.

Keywords

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