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Αλέξανδρος Γ. Σφακιανάκης

Sunday, May 9, 2021

Self-reported smell and taste recovery in coronavirus disease 2019 patients: a one-year prospective study

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Eur Arch Otorhinolaryngol. 2021 May 7. doi: 10.1007/s00405-021-06839-w. Online ahead of print.

ABSTRACT

PURPOSE: The aim of the present study was to estimate the 1 year prevalence and recovery rate of self-reported chemosensory dysfunction in a series of subjects with previous mild-to-moderate symptomatic COVID-19.

METHODS: Prospective study based on the SNOT-22, item "sense of smell or taste" and additional outcomes.

RESULTS: 268/315 patients (85.1%) completing the survey at baseline also completed the follow-up interview. The 12 months prevalence of self-reported COVID-19 associated chemosensory dysfunction was 21.3% (95% CI 16.5-26.7%). Of the 187 patients who complained of COVID-19 associated chemosensory dysfunction at baseline, 130 (69.5%; 95% CI 62.4-76.0%) reported complete resolution of smell or taste impairment, 41 (21.9%) reported a decrease in the severity, and 16 (8.6%) reported the symptom was unchanged or wor se 1 year after onset. The risk of persistence was higher for patients reporting a baseline SNOT-22 score ≥ 4 (OR = 3.32; 95% CI 1.32-8.36) as well as for those requiring ≥ 22 days for a negative swab (OR = 2.18; 95% CI 1.12-4.27).

CONCLUSION: A substantial proportion of patients with previous mild-to-moderate symptomatic COVID-19 characterized by new onset of chemosensory dysfunction still complained on altered sense of smell or taste 1 year after the onset.

PMID:33963433 | DOI:10.1007/s00405-021-06839-w

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