• Gokhan Yalciner, Mehmet Ali Babademez, Fatih Gul, Serkan Serifler, Kadir Sinasi Bulut, and Levent Ozturk.
• Department of Otorhinolaryngology, Ankara City Hospital, Ankara, Turkey. gkhnyalciner@gmail.com.
• Ir J Med Sci. 2021 Nov 1; 190 (4): 1565-1569.

Objectives/HypothesisTo investigate the effect of FFP3 mask usage on venous blood gases (VBG) and some subjective symptoms METHODS: VBG analyses and subjective symptom questionary were obtained from 15 healthcare proffesionals before and after 4-h FFP3 mask usage.ResultsWearing an FFP3 mask for 4 hours did not change any venous blood gas parameters between pre- and post-values, statistically. According to an 8-symptom questionary, only nausea did not show any significance. Headache, lightheadedness, visual difficulties, shortness of breath, palpitation, confusion, and difficult communication showed statistically significant difference between pre and post values.ConclusionFour-hour use of FFP3 mask did not cause any significant VBG change. Although the participants complained about some subjective symptoms, this study indicated that long-term use of FFP3 mask did not cause any significant discomforts, and it was well tolerated.© 2021. Royal Academy of Medicine in Ireland.

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