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Related Experiment Videos

Postoperative/posttraumatic gustatory dysfunction.

Basile Nicolas Landis1, Jean-Silvain Lacroix

  • 1Unité de Rhinologie-Olfactologie, Service d'Oto-Rhinologie-Laryngologie et de Chirurgie Cervico-Faciale, Hôpitaux Universitaires de Genève, Genève, Suisse.

Advances in Oto-Rhino-Laryngology
|May 31, 2006
PubMed
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Quantitative taste disorders like ageusia and hypogeusia after head trauma and ENT surgery are often missed. This review highlights the need for better clinical taste testing methods to understand their true incidence.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Sensory Science

Background:

  • Clinical taste testing is not standard practice in ear, nose, and throat (ENT) clinics.
  • Posttraumatic and postoperative taste disorders are often reported as qualitative changes (e.g., dysgeusia) rather than quantitative deficiencies (ageusia, hypogeusia).
  • The actual incidence of quantitative taste loss after head trauma and surgery is largely unknown due to a lack of reliable testing methods.

Purpose of the Study:

  • To review current knowledge on postoperative and posttraumatic taste disorders.
  • To focus on ENT surgical procedures with existing prospective and systematic studies on gustatory dysfunction.
  • To emphasize the need for accessible and reproducible clinical taste testing devices.

Main Methods:

Related Experiment Videos

  • Literature review focusing on ENT surgical procedures with available data on taste dysfunction.
  • Analysis of studies examining taste disorders after middle ear surgery, tonsillectomy, and dental interventions.
  • Discussion of qualitative versus quantitative taste changes and their clinical implications.

    • Main Results:

    • Most reported taste disorders are qualitative (dysgeusia, metallic taste) and often anecdotal.
    • Quantitative taste deficiencies (ageusia, hypogeusia) are frequently unnoticed by patients.
    • Limited prospective studies exist, primarily focusing on specific ENT surgeries.

    Conclusions:

    • There is a significant gap in understanding the true incidence of quantitative taste disorders post-trauma and surgery.
    • Development and implementation of rapid, reproducible clinical taste testing are crucial.
    • Further systematic studies are needed, particularly for common ENT procedures like middle ear surgery, tonsillectomy, and dental interventions.