Olfactory, trigeminal, facial, glossopharyngeal and vagus nerves: links with sars-cov-2 and neurosemiological prospects

Olfactory, trigeminal, facial, glossopharyngeal and vagus nerves: links with sars-cov-2 and neurosemiological prospects

Main Article Content

Jorge Duque Parra
Alex Pava Ripoll
José Fernando Marín Arias

Abstract

A brief review of olfactory, facial, glossopharyngeal and vagus nerves is presented, the first one functionally related to odoriferous chemosensory innervation in the nasal mucosa, the following four cranial nerves to endocranial headache and oropharyngeal mucosa for purposes of gustatory sensory transduction. These nerves are associated with symptoms in Covid-19 positive patients, which dysosmia, anosmia, dysgeusia, ageusia manifestation, among other neurosemiological characteristics. It is concluded that these semiological characteristics may be due to neurotropic and transynaptic mechanisms, therefore a more rigorous neurological examination should be performed on symptoms and signs of Covid-19 patients.

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