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Persistent Postural Perceptual Dizziness Induced by Caloric Testing: A Case Report.

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Area of Science:

  • Neurology
  • Otolaryngology
  • Vestibular Science

Background:

  • Persistent postural perceptual dizziness (PPPD) is a common chronic vestibular disorder.
  • PPPD is often associated with a history of migraine, anxiety, or panic attacks.
  • Vestibular migraine precedes at least 20% of PPPD cases.

Purpose of the Study:

  • Investigate sensory integration, habituation, and stimulus intolerance in migraine patients undergoing vestibular testing.
  • Examine potential prolonged symptoms following vestibular test procedures in this population.
  • Report a case of new-onset PPPD after caloric irrigations in a patient with a migraine history.

Main Methods:

  • Case report presentation.
  • Review of patient history including migraine and vestibular symptoms.
  • Description of vestibular testing procedures, specifically caloric irrigations.

Main Results:

  • The patient, with a history of migraine, developed new-onset PPPD.
  • Symptoms emerged following caloric irrigations, a common vestibular test.
  • This suggests a potential trigger for PPPD in susceptible individuals.

Conclusions:

  • Caloric irrigations may precipitate PPPD in patients with a history of migraine.
  • Further research is needed to understand the relationship between vestibular testing and PPPD development in migraineurs.
  • This case underscores the importance of considering patient history when interpreting vestibular test results.