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Breath Res."],"published-print":{"date-parts":[[2025,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Patients with respiratory infections (e.g. COVID-19, antimicrobial resistant bacteria) discharge pathogens to the environment, exposing healthcare workers and inpatients to deleterious complications. This study tested the performance of SPEAR-P1 (synchronized personal exhaled air removal system-prototype 1), which actively detects expiration and removes exhaled air using an open, non-sealing lightweight facemask connected to a deep vacuum generating unit. Fourteen healthy examinees practiced breathing through facemasks at 30, 25 and 20 breaths per minute; oxygen and nebulized saline were added at later steps. To test the efficacy of removing exhaled air, CO<jats:sub>2<\/jats:sub> was used as a proxy and its level was measured from the outer surface of the open facemask. Compared to the baseline recording, SPEAR-P1 reduced CO<jats:sub>2<\/jats:sub> escaping from the facemask by 66% on average for all study steps and respiratory rates (<jats:italic>p<\/jats:italic> &lt; 0.001), reaching 85.55% on average at 20 breaths per minute (<jats:italic>p<\/jats:italic> &lt; 0.001). This study shows that removing exhaled air from examinees using an open, non-sealing lightweight facemask is feasible. Future development of this system will enhance its efficacy and provide a method to remove a patient\u2019s contaminating aerosol without the need to \u2018seal\u2019 the patient, especially in settings where isolation rooms are not readily available.<\/jats:p>","DOI":"10.1088\/1752-7163\/ad836d","type":"journal-article","created":{"date-parts":[[2024,10,4]],"date-time":"2024-10-04T22:51:30Z","timestamp":1728082290000},"page":"016002","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["A novel system for removing examinee\u2019s exhaled air using an open, lightweight non-sealing facemask-a proof-of-concept study"],"prefix":"10.1088","volume":"19","author":[{"given":"Danial","family":"Abu Shkara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4948-4707","authenticated-orcid":false,"given":"Yoav","family":"Keynan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5956-5909","authenticated-orcid":true,"given":"Shay","family":"Brikman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8752-6731","authenticated-orcid":true,"given":"Guy","family":"Dori","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"266","published-online":{"date-parts":[[2024,10,17]]},"reference":[{"key":"jbrad836dbib1","doi-asserted-by":"publisher","first-page":"501","DOI":"10.1097\/JOM.0000000000000448","article-title":"Aerosol transmission of infectious disease","volume":"57","author":"Jones","year":"2015","journal-title":"J. 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