Health Team

Duke Balance Lab helps diagnose causes of vertigo

Posted June 17, 2010

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— For the past several months, Christine Sepanek, 41, has been feeling dizzy. She thought it was from a sinus infection.

“It got so bad, so dizzy that I couldn't really function. I couldn't drive,” she said.

Long hallways and grocery stores were a problem for her.

“I think I live with a kind of level of nausea,” she said.

Different doctors had different conclusions.

“There are a lot of patients that spend a long time – years – with balance problems who go untreated or undiagnosed,” said Dr. David Kaylie, an otolaryngologist at Duke University Medical Center.

Sepanek finally found answers at Duke’s Balance Lab.

Duke lab helps diagnose vertigo Duke lab helps diagnose vertigo

State of the art equipment in the lab tests the brain's balance system using a combination of information from the eyes, the muscles and the inner ear.

Irrigating the inner ear with warm water causes fluids of the inner ear to move, which stimulates the inner ear and makes the eyes move, Kaylie said. The test helps doctors know if vestibular nerves of the ear are damaged.

A rotating chair in a dark booth measures how well the eyes move in the equal and opposite direction. At the same time, the subject is challenged with thinking different names.

“The whole process is exhausting. It's fatiguing to the brain,” Sepanek said.

“The weaker ear, the ear that responds least, is the damaged ear,” Kalylie said.

Doctors found the vestibular nerves in Sepanek's ear were damaged.

Her treatment is therapy – different exercises to retrain the brain to rely solely on the nerves of the healthy ear.

So far, she said it’s helped her return to work and most normal activity.

Doctors said the most common cause of vertigo is benign positional vertigo, which 20 percent of people get at some point in their lives.

The symptoms either resolve on their own over time or there are simple treatments that can help.


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  • TriangleMommy Jun 18, 2010

    Here is a link for anyone curious

  • bbad238 Jun 18, 2010

    How about providing a website or contact for the Center?

  • mike honcho Jun 18, 2010

    Maybe roy williams can get treated at Duke:)