Intravenous olfactory test latency correlates with improvement in post-infectious olfactory dysfunction

Acta Oto-laryngologica
Kyohei HorikiriKenji Kondo

Abstract

This cohort study showed that onset latency in the intravenous olfactory test (IVO) may help predict when olfaction in patients with post-infectious olfactory dysfunction (PIOD) improves. To identify factors that predict the olfactory improvement period in patients with PIOD. All consecutive patients presenting with PIOD in 1994-2014 who were followed up for 2 years were identified retrospectively. The ability of demographic/clinical factors (age, sex, body mass index, presence/absence of allergic rhinitis, treatment/non-treatment with herbal medicines, patient dependence on herbal medicine treatment, presence/absence of diabetes mellitus, and smoking status) and olfactory test factors (response/no response and onset latency and duration in the IVO test, and detection and recognition scores on the T&T olfactory test) to predict the olfactory improvement period (defined respectively as the time from PIOD onset or olfactory testing to the first self-report of olfaction improvement) was analyzed by univariate and multivariate regression. Of the 187 PIOD patients, the prognostic ability of demographic/clinical factors was analyzed in 65. None predicted the olfactory improvement period. Of the 65 patients, 20 did not respond in the ...Continue Reading

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Citations

May 28, 2020·The Annals of Otology, Rhinology, and Laryngology·Aleksandar PerićAneta V Perić
Dec 6, 2017·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Ken OkazakiMasafumi Sakagami
Mar 2, 2021·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Yichen GuoYongxiang Wei

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