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Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
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Olfactory Training: Recommendation Frequency Amongst Rhinologists.

Sherina R Thomas1,2, Vincent L Nguyenkhoa2, Jose L Mattos2

  • 1Medical Student Summer Research Program, University of Virginia School of Medicine, Charlottesville, VA 22903.

Medrxiv : the Preprint Server for Health Sciences
|November 22, 2024
PubMed
Summary
This summary is machine-generated.

Most otolaryngologists recommend olfactory training (OT) for olfactory dysfunction (OD), despite limited clinical trial evidence. They prescribe OT more for quantitative smell loss, particularly after viral infections or for unknown causes.

Keywords:
anosmialossparosmiaphantosmiasmell

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Area of Science:

  • Otolaryngology
  • Olfactory Dysfunction Research
  • Clinical Practice Adoption

Background:

  • Olfactory dysfunction (OD) is prevalent and impacts health, yet therapeutic options are limited.
  • Olfactory training (OT) involves repeated odor exposure to improve smell function.
  • Clinical trial evidence for OT efficacy is lacking, but anecdotal support exists.

Purpose of the Study:

  • To investigate the clinical adoption and recommendation patterns of olfactory training (OT) by otolaryngologists for patients with olfactory dysfunction (OD).
  • To understand the conditions and patient profiles for which OT is recommended in otolaryngological practice.

Main Methods:

  • An online survey was distributed to 95 rhinologists and otolaryngologists.
  • The survey assessed the frequency and conditions under which OT is recommended for OD.
  • Data analysis focused on identifying trends in OT recommendation based on disorder type and etiology.

Main Results:

  • A significant majority (93.7%) of surveyed otolaryngologists routinely recommend OT for OD.
  • OT is recommended more frequently for quantitative smell disorders compared to qualitative ones.
  • Post-viral and idiopathic olfactory dysfunction are the most common indications for recommending OT.

Conclusions:

  • Olfactory training (OT) is widely recommended by otolaryngologists for treating olfactory dysfunction (OD).
  • Clinical practice suggests a preference for OT in specific types of OD, particularly quantitative and post-viral/idiopathic cases.
  • Findings highlight the perceived clinical utility of OT despite the current limitations in robust clinical trial data.