Assessing real-time performances of N95 respirators for health care workers by simulated workplace protection factors
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- KIM Hyunwook
- Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Republic of Korea
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- BAEK Jung-Eun
- Deptartment of Occupational and Environmental Hygiene, Graduate School of Public Health, The Catholic University of Korea, Republic of Korea
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- SEO Hye-Kyung
- Deptartment of Occupational and Environmental Hygiene, Graduate School of Public Health, The Catholic University of Korea, Republic of Korea
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- LEE Jong-Eun
- College of Nursing, The Catholic University of Korea, Republic of Korea
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- MYONG Jun-Pyo
- Deptartment of Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea, Republic of Korea
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- LEE Seung-Joo
- 3 M Personal Safety Division, APAC Laboratory, 3 M Korea, Republic of Korea
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- LEE Jin-Ho
- 3 M Personal Safety Division, APAC Laboratory, 3 M Korea, Republic of Korea
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抄録
To assess performances of N95 respirators for Health Care Workers (HCWs) in a simulated health-care setting, we measured the Simulated Workplace Protection Factors (SWPFs) in real-time from the volunteers. A total of 49 study subjects, wearing 3 M respirator Model N95 1860 and 1860S, were fit tested using the OSHA Exercise Regimen. The test subjects were asked to perform simulated scenarios, including patient assessments, suction, and intravenous injection (IV) treatment. Two TSI PortaCount instruments continuously measured concentrations in the respirator and the room concentration. For Quantitative Fit Testing (QNFT), 36 out of 49 (73.5%) passed the fit factor (FF) criteria set at 100 and 13 (26.5%) failed. The results of QNFT were found to have a low correlation with SWPF, with R2=0.32. The geometric means (GM) and geometric standard deviations (GSD) of SWPF were 68.8 (1.1) for those subjects who passed and 39.6 (1.3) for those who failed. Real-time assessments of SWPF showed that lower SWPFs were; moving head up and down, and bending at the waist. This study identifies the needs for providing different sizes of respirators for HCWs and the importance of performing fit tests for HCWs regularly. And particular movements were identified as attributing factors affecting more on SWPFs.
収録刊行物
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- Industrial health
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Industrial health 53 (6), 553-561, 2015
独立行政法人 労働者健康安全機構 労働安全衛生総合研究所
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詳細情報 詳細情報について
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- CRID
- 1390001204279817728
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- NII論文ID
- 130005112253
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- NII書誌ID
- AA00672955
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- ISSN
- 18808026
- 00198366
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- NDL書誌ID
- 026973212
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- PubMed
- 26320728
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可