Coronavirus SARS-CoV-2 infection: cranial nerve disorders

Evidence-based neurology checklist on coronavirus sars-cov-2 infection: cranial nerve disorders: Olfactory and gustatory features: epidemiology Both smell and taste impairments occur in more > 50% of COVID19 cases Both symptoms appear simultaneously and within 4 days of infection Smell and taste…

Olfactory and gustatory features: epidemiology

  • Both smell and taste impairments occur in more > 50% of COVID19 cases
  • Both symptoms appear simultaneously and within 4 days of infection
  • Smell and taste are not affected in about 40% of cases
  • Smell impairment alone occurs in 3.8% of cases
  • Taste impairment alone occurs in 1.5% of cases

Olfactory and gustatory features: presentation

Olfactory and gustatory features: prognosis

Post viral olfactory dysfunction

Other cranial neuropathies

Synonym

References

  1. Abalo-Lojo JM, Pouso-Diz JM, Gonzalez F. Taste and smell dysfunction in COVID-19 patients. Ann Otol Rhinol Laryngol 2020; 129:1041-1042.
  2. Boscolo-Rizzo P, Borsetto D, Fabbris C, et al. Evolution of altered sense of smell or taste in patients with mildly symptomatic COVID-19. JAMA Otolaryngol Head Neck Surg 2020; 146:729-32.
  3. Yan CH, Faraji F, Prajapati DP, Ostrander BT, DeConde AS. Self-reported olfactory loss associates with outpatient clinical course in Covid-19. Int Forum Allergy Rhinol 2020 (Epub ahead of print).
  4. Laurendon T, Radulesco T, Mugnier J, et al. Bilateral transient olfactory bulb edema during COVID-19-related anosmia. Neurology 2020; 95:224-225.
  5. Strauss SB, Lantos JE, Heier LA, Shatzkes DR, Phillips CD. Olfactory bulb signal abnormality in patients with COVID-19 who present with neurologic symptoms. AJNR 2020; 41:1882-1887.
  6. And 11 more. Subscribe to see the full list

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