Test-retest assessment of the olfactory test reliability (Odorized Markers Test)

Brothánková, Pavlína; Vodička, Jan; Pospíchalová, Kristýna

doi:10.48095/cccsnn202244

Cited by 1 publication

(2 citation statements)

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“…The main benefit of our initiative was that in a short time and in pandemic conditions, we organized and promoted a simple but reliable method of remote psychophysical smell testing among post-COVID-19 patients who complained of persistent olfactory dysfunction. For this purpose, the reliable and valid Odorized Markers Test 47 – 49 was used. The OMT is used in clinical practice in the Czech Republic 47 .…”

Section: Discussionmentioning

confidence: 99%

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Remote psychophysical testing of smell in patients with persistent olfactory dysfunction after COVID-19

Martončíková,

Doležal,

Fabianová

et al. 2023

Sci Rep

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Olfactory dysfunction associated with coronavirus 2 (SARS-CoV-2) infection is in most cases transient, recovering spontaneously within a few days. However, in some patients it persists for a long time, affects their everyday life and endangers their health. Hence, we focused on patients with persistent loss of smell. The aim of this study was to evaluate olfactory dysfunction using a standardized test. Due to the pandemic, olfactory testing was performed online. Smell tests (Odorized Markers Test, OMT) were sent home to the patients. Together with the smell self-testing, participants reported and assessed several parameters (age, sex, subjective assessment of smell and taste, nasal patency, etc.) in an online questionnaire. Based on the questionnaire outcomes, the results were sent to the patients along with a list of participating otolaryngologists who provided them with professional care. From March to June 2021, 1025 patients requested smell testing, of these, 824 met the inclusion criteria of this study. The duration of the olfactory dysfunction at the time of testing ranged from 1 month to 1 year. Using the OMT, impaired smell ability—anosmia or hyposmia—was confirmed in 82.6% of participants. A total of 17.4% of participants were determined to be normosmic however, more than 50% of them complained of parosmia and/or phantosmia. Our study demonstrates the relevance of psychophysical smell testing and its suitability for remote use during the pandemic. This study also revealed several correlations between prolonged olfactory dysfunction and the monitored parameters.

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Section: Discussionmentioning

confidence: 99%

“…Additionally in this part, the maximum score was six. The test can distinguish among normosmia, hyposmia and anosmia 49 . The minimum and maximum possible scores are 0 and 12 points, respectively.…”

Section: Methodsmentioning

confidence: 99%