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Olfactory dysfunction.

A P Hendriks1

  • 1Psychological Laboratory, University of Utrecht, The Netherlands.

Rhinology
|December 1, 1988
PubMed
Summary

A new Dutch odour identification test (GITU) helps assess olfactory dysfunction, estimating a 1% incidence in adults. This test is sensitive to age and gender, aiding diagnosis in clinical and industrial settings.

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Area of Science:

  • Neuroscience
  • Otorhinolaryngology
  • Psychophysics

Background:

  • Medical practitioners often lack adequate tools for olfactory (dys)function assessment.
  • Inadequate olfactory testing is a significant clinical challenge.
  • Early American psychological research developed accessible odour identification tests.

Purpose of the Study:

  • To develop and validate a Dutch odour identification test (GITU) for assessing olfactory function.
  • To estimate the incidence of olfactory disorders in the Netherlands.
  • To identify common etiological categories of olfactory dysfunction.

Main Methods:

  • Development of the Dutch odour identification test (GITU) by combining two American tests.
  • Administration of GITU in ENT clinics and for industrial purposes.
  • Analysis of data from 4000 patients across clinical research centers and case series.

Main Results:

  • The GITU test effectively discriminates between patients and controls.
  • Estimated incidence of serious olfactory disorder in Dutch adults is approximately 1%.
  • Common causes of olfactory dysfunction include nasal/sinus disease, viral infections, and head trauma.

Conclusions:

  • The GITU test is a valuable tool for assessing olfactory dysfunction.
  • Olfactory disorders represent a significant health issue with identifiable etiological categories.
  • Enhanced collaboration between clinicians and researchers is crucial for advancing olfactory science.

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