ENTcare: Computerized Dynamic Posturography

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COMPUTERIZED DYNAMIC POSTUROGRAPHY (CDP)

As defined, CDP is the only method validated by controlled research studies to isolate the functional contributions of vestibular inputs, visual inputs, somatosensory inputs, central integrating mechanisms, and neuromuscular system outputs for postural and balance control.

Computerized Dynamic Posturography (CDP) is a test that assesses the ability to use your balance system in day to day activities. It examines two distinctly separate mechanisms of your balance system. The first is Sensory information through Sensory Organization Testing (SOT) which determines how input to your balance system is handled.

The second is Motor Control Testing (MCT) which determines how well your body responds to balance input. When combined with ENG testing, CDP can provide information about how a particular problem affects a patient’s ability to function in their normal environment.

Patient Risks with CDP
Posturography testing is performed in a standing position with a safety harness in place to ensure that a patient does not fall during any part of the test. The test operator will also be present to ensure that a patient is safe at all times. The only real risk or contraindication to CDP testing is an inability to safely maintain a standing position.

Preparing for CDP testing

Follow preparation guidelines for ENG testing
Ensure that patient wears slacks or pants to allow for a safety harness to be secured around the waist and between the legs.
Wear shoes that are easily removable. The most accurate method for performing CDP testing is barefoot or in stocking feet.
Alert staff of any difficulty that you may have with prolonged standing. The test can be divided into smaller sub tests and can allow for rest periods if necessary.