Please use this identifier to cite or link to this item:
https://observatorio.fm.usp.br/handle/OPI/39914
Title: | Chemosensory Dysfunction in COVID-19: Prevalences, Recovery Rates, and Clinical Associations on a Large Brazilian Sample |
Authors: | BRANDAO NETO, Deusdedit; FORNAZIERI, Marco Aurelio; DIB, Caroline; FRANCESCO, Renata Cantisani Di; DOTY, Richard L.; VOEGELS, Richard Louis; PINNA, Fabio de Rezende |
Citation: | OTOLARYNGOLOGY-HEAD AND NECK SURGERY, v.164, n.3, p.512-518, 2021 |
Abstract: | Objective. Our study aimed to measure the percentage of reported olfactory or taste losses and their severity, recovery time, and association with other features in a large cohort of patients with COVID-19. Study Design. Prospective survey. Setting. Quaternary medical center and online survey. Methods. The perceived chemosensory capacities of 655 patients with confirmed COVID-19 were assessed with 11-point category rating scales (0, no function; 10, normal function). Patients were contacted in hospital, by phone calls, or by internet regarding their ability to smell or taste, and 143 were interviewed by phone 1 to 4 months later to assess the recovery of their chemosensory abilities. Results. The prevalence of self-reported olfactory, general taste, and taste quality-specific disturbances (sweet, sour, bitter, and salty) in the patients with COVID-19 were 82.4% (95% CI, 79.5%-85.3%), 76.2% (95% CI, 72.9%-79.4%), and 52.2% (95% CI, 48.3%-56.1%), respectively. The majority reported anosmia (42.9%). The presence of chemosensory symptoms was not associated with COVID-19 severity. At a median time >2 months after the onset of symptoms, rates of total and partial olfaction recovery were 53.8% and 44.7%, while complete or partial return to previous taste function was 68.3% and 27.6%. Less than 5% of the patients reported no chemosensory function improvement at all. Conclusion. The prevalence of self-reported chemosensory dysfunction is high among patients with COVID-19. Almost all patients seem to recover a significant part of their smell and taste abilities in the first 4 months after the onset of symptoms. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - COVID-19 Artigos e Materiais de Revistas Científicas - FM/MOF Artigos e Materiais de Revistas Científicas - HC/ICHC Artigos e Materiais de Revistas Científicas - LIM/32 Artigos e Materiais de Revistas Científicas - ODS/03 |
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art_BRANDAO NETO_Chemosensory_Dysfunction_in_COVID19_Prevalences_Recovery_Rates_and_2021.PDF | publishedVersion (English) | 742.27 kB | Adobe PDF | View/Open |
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