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Post-traumatic taste disorders: a case series.

Maria Paola Cecchini1, Nicolò Cardobi2, Andrea Sbarbati3

  • 1Anatomy and Histology Section, Department of Neurosciences, Biomedicine and Movement Sciences, School of Medicine, University of Verona, Strada Le Grazie, 8, 37134, Verona, Italy. mariapaola.cecchini@univr.it.

Journal of Neurology
|February 7, 2018
PubMed
Summary
This summary is machine-generated.

Head trauma frequently causes olfactory dysfunction, but taste deficits are also common. This study highlights the importance of chemosensory evaluation for diagnosing and understanding taste disorders after head injury.

Keywords:
Anatomical correlationAnosmiaHead traumaOlfactionTaste

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Area of Science:

  • Neuroscience
  • Otorhinolaryngology
  • Clinical Medicine

Background:

  • Post-traumatic anosmia is well-documented, but gustatory deficits following head trauma are less studied.
  • Taste dysfunction, including reduced taste (hypogeusia/ageusia) and altered taste (dysgeusia), can significantly impact quality of life.
  • The underlying peripheral and/or central mechanisms of post-traumatic gustatory dysfunction require further investigation.

Purpose of the Study:

  • To investigate the prevalence and characteristics of gustatory deficits in patients with a history of head trauma.
  • To evaluate the utility of validated chemosensory testing in identifying taste disorders post-trauma.
  • To explore potential central and peripheral injury patterns associated with gustatory dysfunction.

Main Methods:

  • Recruited 53 consecutive patients with previous head trauma.
  • Conducted thorough olfactory and gustatory chemosensory testing using Sniffin'Sticks Extended test, Whole Mouth Test, and Taste Strips Test.
  • Collected clinical and neuroimaging data, and detailed four representative cases.

Main Results:

  • All 53 patients exhibited olfactory abnormalities (hyposmia or functional anosmia).
  • Ten patients (19%) presented with taste deficits, including dysgeusia, hypogeusia, or ageusia.
  • Clinical data and case studies suggest both central and peripheral injury patterns contribute to taste disorders.

Conclusions:

  • Taste disorders are a neglected but significant sequela of head trauma.
  • Chemosensory evaluation is crucial for identifying and understanding taste dysfunction after head injury.
  • Further research is needed to elucidate the mechanisms and long-term impact of post-traumatic taste deficits.