Persistent Postural-Perceptual Dizziness
Persistent Postural-Perceptual Dizziness (PPPD or 3PD) is a chronic disorder presenting with continual subjective dizziness or unsteadiness. Upright positions and environments with complex visual stimuli worsen symptoms and are perceived as a threat. These predominant symptoms may lead to incidental complications such as fear avoidance and functional gait abnormalities.[1]
Incidence and Prevalence[edit | edit source]
As this disorder has recently been redefined valid data is difficult to obtain. Prospective studies have found that 25% of individuals developed PPPD 3-12 months after acute or episodic vestibular disorders (e.g. vestibular neuritis, benign paroxysmal positional vertigo (BPPV))[1]
The World Health Organization (WHO) included PPPD in the 11th edition of the International Classification of Diseases as a new diagnosis to unify varied and overlapping predecessors such as phobic postural vertigo, space-motion discomfort, visual vertigo, chronic subjective dizziness, psychogenic gait disorders, etc. [1]
Mechanism of Injury / Pathological Process[edit | edit source]
Clinical Presentation[edit | edit source]
Diagnostic Procedures[edit | edit source]
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Outcome Measures[edit | edit source]
- Dizziness Handicap Inventory: measures a patient's perception of their disability related to their dizziness
Management / Interventions[edit | edit source]
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Differential Diagnosis[edit | edit source]
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Resources[edit | edit source]
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