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Olfactory function following nasal surgery.

Jürgen Pade1, Thomas Hummel

  • 1Department of Otorhinolaryngology, St. Johannes Hospital, Dortmund, Germany.

The Laryngoscope
|April 29, 2008
PubMed
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Nasal surgery offers a 13-23% improvement in olfactory function, but a small percentage of patients experience decreased sense of smell. Patients with good preoperative smell function require specific counseling regarding potential risks of nasal surgery.

Area of Science:

  • Otorhinolaryngology
  • Olfactory Neuroscience

Background:

  • Olfactory dysfunction is a common complaint.
  • Predicting olfactory function outcomes after nasal surgery is crucial for patient counseling.

Purpose of the Study:

  • To identify predictors of nasal surgery outcomes regarding olfactory function.
  • To assess olfactory function changes post-sinus and septum surgery.

Main Methods:

  • Prospective study of 775 patients undergoing nasal surgery.
  • Olfactory function assessed pre- and post-operatively using the "Sniffin' Sticks" test.
  • Patients categorized by surgery type: sinus (206) or septum (150).

Main Results:

  • Sinus surgery improved smell in 23% and decreased it in 9%; septum surgery improved smell in 13% and decreased it in 7%.

Related Experiment Videos

  • Postoperative smell decrease was associated with higher preoperative olfactory scores.
  • Eosinophilia and high nasal polyposis predicted better surgical outcomes for smell.

    • Conclusions:

    • Nasal surgery yields functional improvement in 13-23% of patients.
    • A small but significant group (7-9%) experiences decreased olfactory function post-surgery.
    • Patients with good preoperative smell require specific counseling on potential olfactory decline risks.