UnknownNot Applicable

FFP3 Respirators and Ears - Effects on Middle Ear Pressure and Hearing

12 participantsStarted 2022-07-23

Plain-language summary

This is Prospective Basic Science Study whose aims are as follows: 1. To determine the effect of Filtering Facepiece (FFP3M) respirators on eustachian tube function and hearing 2. To evaluate the extent to which FFP3M respirators attenuate speech in decibels The outcome measures are as follows: 1. Changes in baseline pure tone audiometry and tympanometry post intervention. 2. SNOT-22 Questionnaires before and after use of respirator 3. ETDQ7 questionnaire 4. Measurement of speech attenuation in decibels.

Who can participate

Age range18 Years – 65 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Healthcare workers that already have their own masks, fitted and provided by the Trust for day-to-day clinical use * Participants without pre-existing sinonasal symptoms or previous sinonasal surgery * Participants without pre-existing hearing loss or a history of otological procedures Exclusion Criteria: * Participants with pre-existing sinonasal symptoms or previous sinonasal surgery * Participants with pre-existing hearing loss or a history of otological procedures * Participants who do not satisfy the requirements set out in the pre-registration questionnaire

What they're measuring

Changes in baseline pure tone audiometry post intervention.

Timeframe: 48 hours

Measurement of speech attenuation in decibels.

Timeframe: 1 hours

Changes in baseline tympanometry post intervention

Timeframe: 48 hours

Trial details

NCT IDNCT05222230

SponsorLiverpool University Hospitals NHS Foundation Trust

Sponsor typeOTHER_GOV

Study typeINTERVENTIONAL

Primary completion2022-12-31

Contact for this trial

Nazia Munir, FRCS ORL-HNS

07970921448 nazir.munir@liverpoolft.nhs.uk