Journal
AMERICAN JOURNAL OF OTOLARYNGOLOGY
Volume 41, Issue 5, Pages -Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.amjoto.2020.102581
Keywords
Coronavirus; SARS-CoV-2; COVID-19; Anosmia; Smell; Olfactory dysfunction; Otolaryngology
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The pandemic of Coronavirus Disease 2019 (COVID-19) has caused a vast disaster throughout the world. There is increasing evidence that olfactory dysfunction can present in COVID-19 patients. Anosmia can occur alone or can be accompanied by other symptoms of COVID-19, such as a dry cough. However, the pathogenic mechanism of olfactory dysfunction and its clinical characteristics in patients with COVID-19 remains unclear. Multiple cross-sectional studies have demonstrated that the incidence rate of olfactory dysfunction in COVID-19 patients varies from 33.9-68% with female dominance. Anosmia and dysgeusia are often comorbid in COVID-19 patients. Otolaryngologists should be mindful of the symptom of anosmia in outpatients so as not to delay the diagnosis of COVID-19. In this paper, we have reviewed the relevant knowledge based on up-to-date literature.
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