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Clinical and Experimental Otorhinolaryngology > Epub ahead of print
doi: https://doi.org/10.21053/ceo.2024.00025    [Epub ahead of print]
Level of Contamination of Positive Airway Pressure Devices Used in Obstructive Sleep Apnea
Jae Hyoung Choi1 , Il-Youp Kwak2 , Kyung Soo Kim1 , Hyun Jin Min1
1Department of Otorhinolaryngology-Head and Neck Surgery, Chung-Ang University College of Medicine, Seoul, Korea
2Department of Applied Statistics, Chung-Ang University, Seoul, Korea
Correspondence  Hyun Jin Min ,Tel: +82-2-6299-1782, Fax: +82-2-825-1765, Email: jjinient@cau.ac.kr
Received: January 22, 2024; Revised: March 13, 2024   Accepted: March 18, 2024.  Published online: March 19, 2024.
ABSTRACT
Objectives
. No study has yet evaluated the degree of contamination after the total disassembly of continuous positive airway pressure (CPAP) devices. We investigated the extent of contamination of CPAP devices used daily by patients with obstructive sleep apnea (OSA) by disassembling the systems and identifying the factors that influenced the degree of CPAP contamination.
Methods
. We conducted a chart review of the medical records of patients with OSA for whom the CPAP devices were disassembled and cleaned. Two skilled technicians photographed the levels of contamination of each component and scored them using a visual analog scale. Patients’ clinical characteristics and records of CPAP device usage were statistically analyzed to identify characteristics that were significantly associated with the degree of CPAP device contamination.
Results
. Among the 55 participants, both the external components, including the mask and tube, and the internal components, such as the humidifier and the interior of the main body, showed a substantial degree of contamination. The total and average daily duration of usage of the CPAP device did not show significant associations with the degree of contamination. Age was most consistently associated with the degree of contamination, such as in masks, humidifiers, and interior and exterior main parts. The degree of contamination of the internal components of the device was significantly correlated with the degree of contamination of the external components.
Conclusion
. Age-specific guidelines for managing the hygiene of external and internal CPAP components should be prepared.
Keywords: Continuous Positive Airway Pressure; Contamination; Obstructive Sleep Apnea; Humidifier; Age
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