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Related Experiment Videos

Olfactory function after functional endoscopic sinus surgery for chronic sinusitis

K W Delank1, W Stoll

  • 1Department of Otorhinolaryngology, Westfälische Wilhelms-Universität, Münster, Germany.

Rhinology
|May 7, 1998
PubMed
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This summary is machine-generated.

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Chronic sinusitis significantly impairs smell, with over 80% experiencing olfactory dysfunction pre-surgery. While Functional Endoscopic Sinus Surgery (FESS) improves smell for many, recovery rates are lower than expected, especially for severe cases.

Area of Science:

  • Otolaryngology
  • Rhinology
  • Olfactory Science

Background:

  • Chronic sinusitis is a prevalent condition affecting the nasal cavity and sinuses.
  • Olfactory dysfunction is a common but often underestimated symptom in chronic sinusitis patients.
  • The impact of Functional Endoscopic Sinus Surgery (FESS) on olfactory function requires further clarification.

Purpose of the Study:

  • To determine the prevalence of olfactory dysfunction in patients with chronic sinusitis.
  • To evaluate the effectiveness of FESS in improving olfactory function.
  • To investigate factors influencing olfactory outcomes after FESS.

Main Methods:

  • Pre-operative assessment using questionnaires and objective olfactory tests (threshold and discrimination).

Related Experiment Videos

  • Analysis of olfactory function changes in 115 chronic sinusitis patients before and after FESS.
  • Correlation of olfactory dysfunction severity with the extent of sinus disease and surgical interventions.

    • Main Results:

    • Pre-operatively, 52% were hyposmic and 31% anosmic; only 58% were aware of their deficit.
    • Post-operatively, 70% showed improvement, with 25% of hyposmic and 5% of anosmic patients achieving normosmia.
    • Olfactory function worsened in 8% post-FESS; disease extent and middle turbinate resection correlated with dysfunction.

    Conclusions:

    • The prevalence of olfactory dysfunction in chronic sinusitis is higher than often perceived.
    • FESS offers significant olfactory improvement for many, but success rates, particularly for anosmia, are lower than anticipated.
    • Further research is needed to confirm the negative impact of middle turbinate resection on olfaction.