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1 results

  • Investigation of smell and taste function in patients with obstructive sleep apnoea syndrome

  • A Yenigun, N Degirmenci, S S Goktas, R Dogan, O Ozturan
  • Journal:
    The Journal of Laryngology & Otology / Volume 133 / Issue 5 / May 2019
    Published online by Cambridge University Press:
    22 April 2019, pp. 376-379
    Print publication:
    May 2019
  • Objective

    This study investigated the relationship between disease severity and taste and smell functions in patients with obstructive sleep apnoea syndrome.

    Methods

    A total of 65 patients with recurrent upper airway obstruction during sleep were included. Participants were divided into four groups according to apnoea-hypopnoea index, obtained on polysomnography. Smell and taste tests were performed on these patients.

    Results

    A significant difference was observed between the smell thresholds of the groups for the identification test (p = 0.016). In the taste test, significant differences were observed between the groups in terms of sweet, sour, salty and bitter taste test thresholds (p = 0.029, p = 0.0005, p = 0.001 and p = 0.017, respectively).

    Conclusion

    As sleep apnoea severity increased (according to the apnoea-hypopnoea index) in obstructive sleep apnoea syndrome patients, the taste and smell thresholds decreased due to the effect of neuropathy and inflammation in the upper respiratory tract.