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학술저널
저자정보
윤선희 (가톨릭대학교) 최희영 (가톨릭대학교) 이선희 (가톨릭대학교) 백은희 (가톨릭대학교) 유양숙 (가톨릭대학교)
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한국성인간호학회 성인간호학회지 성인간호학회지 제32권 제1호
발행연도
2020.2
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1 - 9 (9page)

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Purpose: This study aimed to investigate the actual noise conditions in adult Intensive Care Units (ICUs) according to type, time, day of the week, and area. Methods: This study was conducted from February to March 2018. ICU noise levels were examined using a noise meter with a microphone an amplifier, auditory correction circuit, and indicator meter capable of directly reading A-weighted decibels (dBA). Noise was measured for 24 hours for seven days and the average dBA, maximum dBA, and minimum dBA were recorded. Results: The highest mean noise level was 58.48 dBA (range of 57.62~65.27), while lowest was 51.65 dBA (range of 51.36~52.86). Average noise levels on weekdays and weekends were over 50 dBA(the open zone was measured at 56.61 dBA, while the isolation zone was measured at 52.45 dBA. Further, daytime, evening work-times and weekdays were measured above 60 dBA, while nighttime noise levels were below 60 dBA. Finally, average noise levels during turnarounds, shift changes, and rounding times were above 60 dBA; open zone had higher average noise levels than the isolation zone. Conclusion: This study showed that ICU noise levels exceeded those recommended by the World Health Organization regardless of type of noise, day of the week, or time. Therefore, studies are proposed to identify the need or importance of noise management by ICU personnel to reduce noise in ICUs. It also proposes studies to develop and apply noise reduction strategies that can be easily used in practice, reflecting the various characteristics of noise in ICUs.

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