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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Otolaryngol+Head+Neck+Surg 2021 ; 164 (1): 87-90 Nephropedia Template TP
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Effect of Powered Air-Purifying Respirators on Speech Recognition Among Health Care Workers #MMPMID32689877
Kempfle JS; Panda A; Hottin M; Vinik K; Kozin ED; Ito CJ; Remenschneider AK
Otolaryngol Head Neck Surg 2021[Jan]; 164 (1): 87-90 PMID32689877show ga
Powered air-purifying respirators (PAPRs) are used as personalized protective equipment for health care personnel. PAPRs offer health care workers added protection when dealing with patients who have high-risk infectious disease such as COVID-19. Unfortunately, PAPRs can produce notable levels of background noise. We hypothesize that PAPR use may be associated with increased hearing thresholds and impaired word discrimination and may ultimately have a negative impact on effective communication. Herein, we (1) determined sound levels generated by PAPRs and (2) measured hearing thresholds and word discrimination with and without operational PAPRs. All participants had normal hearing. When the PAPR was operational, mean +/- SD thresholds increased from 4.5 +/- 3.6 to 38.6 +/- 5.6 dB HL (P < .001). Word discrimination dropped from 100% in all participants in quiet to a mean 48% +/- 14% with operational PAPR (P < .001). Thus, we find that use of PAPR hoods results in hearing impairment comparable to moderate to severe hearing loss, and we suspect that users will experience communication difficulties as a result.Level of Evidence. Prospective study.