Universität zu Köln

Otte, Martin Sylvester, Eckel, Hans Nikolaus Caspar, Poluschkin, Leonard, Klussmann, Jens Peter ORCID: 0000-0002-8223-7954 and Luers, Jan Christoffer (2020). Olfactory dysfunction in patients after recovering from COVID-19. Acta Oto-Laryngol., 140 (12). S. 1032 - 1036. ABINGDON: TAYLOR & FRANCIS LTD. ISSN 1651-2251

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Abstract

Background Smell and taste disorders occur in COVID-19 with a high prevalence, but little is known about the duration of the symptoms. In particular, studies using validated olfactory tests are very rare to date. Aims/Objectives The aim of this study was to determine the olfactory function of COVID-19 recoveries by a detailed olfactory test. Methods 91 patients with PCR-confirmed, past COVID-19 disease were included. Olfactory history was taken using a questionnaire. Olfactory function was evaluated with the sniffin' sticks test, tasting function with taste sprays. Results 80 patients had experienced sudden olfactory loss during the course of disease and at the time of testing, 33 patients subjectively still had an impaired olfactory sense. Around 8 weeks had passed since the onset of symptoms. 45.1% of the tested individuals were still hyposmic according to the olfactory test while 53.8% showed an olfactory performance within the normal range. Patients' self-assessment correlated poorly with the measured olfactory performance. Conclusions and significance Half of the patients with an olfactory loss as a symptom of COVID-19 still have olfactory impairments after two months, although not all of these patients subjectively notice a restriction. Long-term measurements must confirm whether all affected patients will make full recovery.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Otte, Martin Sylvester UNSPECIFIED UNSPECIFIED UNSPECIFIED Eckel, Hans Nikolaus Caspar UNSPECIFIED UNSPECIFIED UNSPECIFIED Poluschkin, Leonard UNSPECIFIED UNSPECIFIED UNSPECIFIED Klussmann, Jens Peter UNSPECIFIED orcid.org/0000-0002-8223-7954 UNSPECIFIED Luers, Jan Christoffer UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-322620
DOI:	10.1080/00016489.2020.1811999
Journal or Publication Title:	Acta Oto-Laryngol.
Volume:	140
Number:	12
Page Range:	S. 1032 - 1036
Date:	2020
Publisher:	TAYLOR & FRANCIS LTD
Place of Publication:	ABINGDON
ISSN:	1651-2251
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Otorhinolaryngology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32262