Comfort should be considered when choosing N95 masks for health care workers

N95 mask
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The comfort and usability of N95 respirator masks, as rated by healthcare workers who wear them, should be incorporated into procurement decision making to optimize respiratory protection, say the authors of research published today by the Medical Journal of Australia.

"Health care workers often do not comply with recommendations for using respirators, particularly N95 respirators," wrote the authors, led by Dr. Irene Ng, a staff consultant anesthetist at The Royal Melbourne Hospital (RMH).

"Explanations for non-compliance include the lack of standardization of donning and doffing techniques, and design features of respirators that reduce and usability."

Health care workers from RMH who had undergone N95 fit testing were invited to complete an online usability and comfort assessment for respirators which passed the test.

"The overall fit test pass rates were 65.0% for the semi-rigid cup respirators (1029/1583 tests), 32.4% for the flat-fold respirator (660/2035 tests), 59.2% for the duckbill respirators (2005/3387 tests), and 96.4% for the three-panel flat-fold respirator (1876/1946 tests)," Ng and colleagues reported.

"[A total of] 378 completed the comfort and usability survey. Overall comfort and assessment ratings each differed by respirator group; the median overall comfort and overall assessment values were highest for the three-panel flat-fold respirator and lowest for the semi-rigid cup respirators.

"The fit test pass rate was very high for three-panel flat-fold type N95 respirator (96%), and health care workers rated their comfort and overall higher than those of semi-rigid cup, flat-fold cup, and duckbill type N95 respirators."

Ng and colleagues concluded that "the three-panel flat-fold N95 respirator type should therefore be preferred for health care workers."

"Further investigations based on large respiratory protection programs and the development of a standardized performance evaluation tool would be useful.

"To achieve maximum respiratory protection for our health care workers, respiratory protection program administrators and state and federal health departments should select and stockpile the most effective respirator models by incorporating into their decisions."

More information: Irene Ng et al, N95 respirators: quantitative fit test pass rates and usability and comfort assessment by health care workers, Medical Journal of Australia (2022). DOI: 10.5694/mja2.51585

Journal information: Medical Journal of Australia
Provided by Medical Journal of Australia
Citation: Comfort should be considered when choosing N95 masks for health care workers (2022, June 20) retrieved 29 March 2024 from https://medicalxpress.com/news/2022-06-comfort-n95-masks-health-workers.html
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