Retronasal olfactory testing in early diagnosed and suspected COVID-19 patients: a 7-week follow-up study
European Archives of Oto-Rhino-Laryngology, ISSN: 1434-4726, Vol: 279, Issue: 1, Page: 257-265
2022
- 10Citations
- 28Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations10
- Citation Indexes9
- CrossRef2
- Policy Citations1
- Policy Citation1
- Captures28
- Readers28
- 28
Article Description
Objectives: Olfactory dysfunction (OD) constitutes a major symptom in Coronavirus Disease 2019 (COVID-19). Yet, most data on smell loss rely on the evaluation of orthonasal olfactory performance. Therefore, we aimed to assess retronasal olfactory function (ROF) over a period of several weeks in proven and suspected COVID-19 patients. Methods: One hundred and one subjects with suspected or laboratory-proven COVID-19 participated in this study. In patients with OD no longer than 4 weeks after initial symptom onset, ROF was measured with the 7-item Candy Smell Test ten times over 7 weeks. Results: Olfactory function was decreased in the investigated patients and remained decreased over the course of 7 weeks. One-way repeated-measures ANOVA revealed no significant difference of ROF between different measurement time points. However, self-assessment of smell and flavour improved significantly (p = 0.013 and p = 0.043), but did not show complete recovery. Conclusion: The current investigation revealed significant improvements in subjective smell and flavour perception over the course of 7 weeks in proven and suspected COVID-19 patients suffering from acute OD. However, objectively measured ROF based on a screening test revealed no improvements within the same time period.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85105910966&origin=inward; http://dx.doi.org/10.1007/s00405-021-06826-1; http://www.ncbi.nlm.nih.gov/pubmed/33987699; https://link.springer.com/10.1007/s00405-021-06826-1; https://dx.doi.org/10.1007/s00405-021-06826-1; https://link.springer.com/article/10.1007/s00405-021-06826-1
Springer Science and Business Media LLC
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