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Assessment of Noise Exposure and Its Characteristics in the Intensive Care Unit of a Tertiary Hospital

Authors
 Seungho Jung  ;  Jeongmin Kim  ;  Jiho Lee  ;  Chooljae Rhee  ;  Sungwon Na  ;  Jin-Ha Yoon 
Citation
 INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, Vol.17(13) : e4670, 2020-06 
Journal Title
 INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 
ISSN
 1661-7827 
Issue Date
2020-06
Keywords
critical care ; facility design and construction ; intensive care unit ; noise
Abstract
Noise generated in the intensive care unit (ICU) adversely affects both critically ill patients and medical staff. Recently, several attempts have been made to reduce ICU noise levels, but reliable and effective solutions remain elusive. This study aimed to provide evidence on noise distributions in the ICU to protect patient health. For one week, we measured noise levels in isolated rooms, open units, and nursing stations in medical, surgical, and pediatric ICUs, respectively. We additionally analyzed the noise generated by medical equipment that is frequently used in ICUs. The median (interquartile range) noise exposure level (dBA) of all ICU units was 54.4 dB (51.1-57.5) over 24 h. The highest noise exposure was noted in the surgical ICU's daytime open unit at 57.6 dB (55.0-61.1). Various ICU medical devices continuously generated low-frequency noise. Mechanical noise levels ranged from a minimum of 41 dB to a maximum of 91 dB. It was also confirmed that patient-monitoring devices generated loud, high-frequency noise at 85 dB. ICU noise levels were much higher than expected. Noise reduction that focuses on behavior modification of medical staff has limited potential; instead, structural improvements should be considered to reduce the transmission of noise.
Files in This Item:
T202002197.pdf Download
DOI
10.3390/ijerph17134670
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jeongmin(김정민) ORCID logo https://orcid.org/0000-0002-0468-8012
Na, Sungwon(나성원) ORCID logo https://orcid.org/0000-0002-1170-8042
Yoon, Jin Ha(윤진하) ORCID logo https://orcid.org/0000-0003-4198-2955
Jung, Seungho(정승호) ORCID logo https://orcid.org/0000-0001-6220-6766
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178136
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