Frequency and outcome of olfactory impairment and sinonasal involvement in hospitalized patients with COVID-19.
Maryam JalessiMitra BaratiMohammad RohaniElahe AminiAnis OurangZahra AzadFarideh HosseinzadehFrancesco CavallieriReza GhadirpourFranco ValzaniaCorrado IaccarinoArman AhmadzadehMohammad FarhadiPublished in: Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology (2020)
Sudden olfactory dysfunction and sinonasal symptoms have a considerable prevalence in patients with COVID-19. No significant association was noted between the sinonasal symptoms and the olfactory loss, which may suggest that other mechanisms beyond upper respiratory tract involvement are responsible for the olfactory loss.