Olfactory dysfunction at six months after coronavirus disease 2019 infection
AuthorLeedman, SR; Sheeraz, M; Sanfilippo, PG; Edgar, DW; D'Aulerio, G; Robb, DM; Richards, T; Blyth, CC; Mackey, DA
Source TitleJournal of Laryngology and Otology
PublisherCAMBRIDGE UNIV PRESS
University of Melbourne Author/sSanfilippo, Paul
AffiliationOphthalmology (Eye & Ear Hospital)
Document TypeJournal Article
CitationsLeedman, S. R., Sheeraz, M., Sanfilippo, P. G., Edgar, D. W., D'Aulerio, G., Robb, D. M., Richards, T., Blyth, C. C. & Mackey, D. A. (2021). Olfactory dysfunction at six months after coronavirus disease 2019 infection. JOURNAL OF LARYNGOLOGY AND OTOLOGY, 135 (9), pp.839-843. https://doi.org/10.1017/S0022215121002085.
Access StatusAccess this item via the Open Access location
Open Access URLPublished version
OBJECTIVE: This study aimed to assess olfactory dysfunction in patients at six months after confirmed coronavirus disease 2019 infection. METHODS: Coronavirus disease 2019 positive patients were assessed six months following diagnosis. Patient data were recoded as part of the adapted International Severe Acute Respiratory and Emerging Infection Consortium Protocol. Olfactory dysfunction was assessed using the University of Pennsylvania Smell Identification Test. RESULTS: Fifty-six patients were included. At six months after coronavirus disease 2019 diagnosis, 64.3 per cent of patients (n = 36) were normosmic, 28.6 per cent (n = 16) had mild to moderate microsmia and 7 per cent (n = 4) had severe microsmia or anosmia. There was a statistically significant association between older age and olfactory dysfunction. Hospital or intensive care unit admission did not lead to worse olfactory outcomes compared to those managed in the out-patient setting. CONCLUSION: At six months after coronavirus disease 2019 diagnosis, approximately two-thirds of patients will be normosmic. This study is the first to describe six-month outcomes for post-coronavirus disease 2019 patients in terms of olfactory dysfunction.
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