About Persisitent Postural-Perceptual Dizziness (PPPD)
What Is PPPD?
Persistent Postural-Perceptual Dizziness (PPPD), formerly known as Chronic Subjective Dizziness, is a condition characterized by persistent feelings of dizziness and unsteadiness that last for an extended period, typically three months or more. It is believed to result from a combination of factors, including abnormal processing of sensory information related to body position and movement, heightened sensitivity to motion stimuli, and emotional factors such as anxiety or stress.
PPPD can be triggered by specific events, such as an acute vestibular disorder, head injury, or a traumatic life event, as well as conditions known as BPPV and Cervicogenic Dizziness. However, it may also develop without a clear precipitating cause.
Persistent Postural-Perceptual Dizziness Diagnosis
How Do We Diagnose PPPD?
Diagnosing PPPD can be challenging due to its subjective nature and the absence of specific diagnostic tests. Headache practitioners rely on a comprehensive evaluation of the patient’s medical history and a thorough clinical examination. The diagnosis is often made based on specific criteria defined by international consensus guidelines, which include the presence of persistent dizziness or unsteadiness, exacerbated by upright posture, accompanied by various perceptual symptoms (such as visual motion sensitivity or a feeling of being “rocking” or “swaying”) and functional impairments in daily life.
PPPD Symptoms
Dizziness
Persistent sense of dizziness or unsteadiness that may fluctuate in intensity throughout the day but persists for a prolonged period.
Feeling of rocking, swaying, floating, or being off-balance, even when standing still.
Difficulty concentrating
Fatigue
Anxiety
Visual Disturbances
Visual disturbances, such as sensitivity to motion or busy environments, can also be present
Activity intolerance
Reduced tolerance for activities that involve motion, such as walking in crowded places or driving.
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