The temporal course of COVID-19 anosmia and relation to other clinical symptoms

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dc.authorid0000-0003-0334-811X
dc.authorid0000-0002-9815-1848
dc.contributor.authorAltundağ, Aytuğ
dc.contributor.authorSaatçi, Özlem
dc.contributor.authorTekcan Şanlı, Deniz Esin
dc.contributor.authorArıcı Düz, Özge
dc.contributor.authorŞanlı, Ahmet Necati
dc.contributor.authorOlmuşçelik, Oktay
dc.contributor.authorTemirbekov, Dastan
dc.contributor.authorKandemirli, Sedat Giray
dc.contributor.authorBatıoğlu Karaaltın, Ayşegül
dc.date.accessioned2021-10-22T09:09:53Z
dc.date.available2021-10-22T09:09:53Z
dc.date.issued2021
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Nöroloji Ana Bilim Dalı
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, İç Hastalıkları Ana Bilim Dalı
dc.description.abstractObjective This study aimed to define the clinical course of anosmia in relation to other clinical symptoms. Methods 135 patients with COVID-19 were reached by phone and subsequently included in the study. Olfactory functions were evaluated using a questionnaire for assessment of self-reported olfactory function. Patients were divided into four subgroups according to the presence of olfactory symptoms and temporal relationship with the other symptoms: group1 had only olfactory complaints (isolated, sudden-onset loss of smell); group2 had sudden-onset loss of smell, followed by COVID-19 related complaints; group3 initially had COVID-19 related complaints, then gradually developed olfactory complaints; and group4 had no olfactory complaints. Results In total, 59.3% of the patients interviewed had olfactory complaints during the disease course. The olfactory dysfunction severity during COVID-19 infection was significantly higher in group1 compared to groups 2 and 3. In groups1-3, the odor scores after recovery from COVID-19 disease were significantly lower compared to the status prior to disease onset. The residual olfactory dysfunction was similar between groups1 and 2, but was more evident than group3. Mean duration for loss of smell was 7.8 +/- 3.1 (2-15) days. Duration of loss of smell was longer in groups1 and 2 than in group3. Odor scores completely returned back to the pre-disease values in 41 (51.2%) patients with olfactory dysfunction. Rate of complete olfactory dysfunction recovery was higher in group3 compared to groups1 and 2. Conclusion In isolated anosmia cases, anosmia is more severe, and complete recovery rates are lower compared to the patients who have other clinical symptoms.
dc.identifier.citationAltundağ, A., Saatçi, Ö., Tekcan Şanlı, D. E., Arıcı Düz, Ö., Şanlı, A. N., Olmuşçelik, O. ... Batıoğlu Karaaltın, A. (2021). The temporal course of COVID-19 anosmia and relation to other clinical symptoms. European Archives of Oto-Rhino-Laryngology, 278(6), 1891-1897. https://dx.doi.org/10.1007/s00405-020-06496-5
dc.identifier.doi10.1007/s00405-020-06496-5
dc.identifier.endpage1897
dc.identifier.issn0937-4477
dc.identifier.issn1434-4726
dc.identifier.issue6
dc.identifier.scopusqualityQ1
dc.identifier.startpage1891
dc.identifier.urihttps://dx.doi.org/10.1007/s00405-020-06496-5
dc.identifier.urihttps://hdl.handle.net/20.500.12511/8507
dc.identifier.volume278
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofEuropean Archives of Oto-Rhino-Laryngologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCOVID-19
dc.subjectAnosmia
dc.subjectSudden
dc.subjectRecoverable
dc.subjectOlfactory Dysfunction
dc.titleThe temporal course of COVID-19 anosmia and relation to other clinical symptoms
dc.typeArticle

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