Benign paroxysmal positional vertigo, commonly referred to as BPPV, is a vestibular disorder that causes vertigo. It occurs when calcium deposits in the inner ear become dislodged from the otolithic membrane and settle in the semicircular canals. Any change in the position of the head causes these tiny crystals to shift, triggering dizziness.


What Causes BPPV?

It isn’t always known what causes these calcium deposits to break loose, though this is commonly the result of a head injury, inner ear infection, damage from ear surgery or prolonged back position associated with bed rest. Migraines might also play a role. Older patients are susceptible to degeneration of the otolithic membrane related to normal aging.

What Are the Symptoms of BPPV?

BPPV is the most common cause of vertigo. The episodes of vertigo may be severe, but usually lasts for less than a minute. Dizziness is triggered by position changes such as lying down in bed, rolling over, rising from a lying position, and with head pitch. Other symptoms include dizziness or lightheadedness, loss of balance, blurred vision, nausea, vomiting and concentration difficulties.

How Is BPPV Treated?

If you are experiencing dizziness and unexplained episodes of vertigo, your physician or audiologist will administer tests to determine what is causing your symptoms. A diagnostic physical exam evaluates eye movements in response to specific head movements.
Additional testing such videonystagmography (VNG) may be used to detect abnormal eye movement.

Fortunately, BPPV is one of the more easily treatable ear disorders. The standard approach involves a pattern of head movements used to move the calcium particle from the semicircular canal back to the utricle. Called the Canalith Repositioning Procedure (CRP) or the Epley maneuver, this brief procedure takes about five minutes and relieves symptoms in over 85 percent of patients.

Call Topeka ENT at 785-233-0500 for more information or to schedule an appointment.

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