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The Olfactory Cleft Endoscopy Scale: a multi-institutional validation study in chronic rhinosinusitis.

R J Schlosser1, T L Smith2, J C Mace2

  • 1Division of Rhinology and Sinus Surgery, Medical University of South Carolina, Charleston, SC, USA.

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|October 2, 2020
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Summary
This summary is machine-generated.

The Olfactory Cleft Endoscopy Scale (OCES) effectively assesses olfactory dysfunction in chronic rhinosinusitis (CRS). Improved OCES scores post-surgery correlate with restored olfactory function, even in severe cases.

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Area of Science:

  • Otolaryngology
  • Rhinology
  • Olfactory Science

Background:

  • Olfactory dysfunction (OD) is a significant challenge in chronic rhinosinusitis (CRS).
  • Accurate assessment tools for olfactory cleft anatomy and its relation to olfaction are needed.

Purpose of the Study:

  • To evaluate the Olfactory Cleft Endoscopy Scale (OCES) in assessing olfactory cleft anatomy.
  • To determine the correlation between OCES scores and olfactory function in CRS patients and controls.

Main Methods:

  • The OCES was employed to examine the olfactory cleft in healthy controls and CRS patients.
  • Psychophysical and psychosocial olfactory function were assessed using TDI and QOD-NS scores.
  • Correlations between OCES scores and olfactory function measures were analyzed.

Main Results:

  • OCES scores correlated significantly with both psychophysical (TDI) and psychosocial (QOD-NS) olfactory function.
  • Postoperative OCES scores improved in both CRS with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP) groups.
  • CRS patients achieving high OCES and endoscopy scores showed olfactory function comparable to controls.

Conclusions:

  • The OCES is a valid, olfactory-specific measurement tool.
  • OCES provides valuable information complementary to traditional sinus endoscopy for understanding OD in CRS.
  • Near-complete recovery of olfactory function is achievable in CRS patients with optimal surgical outcomes.