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Excision or destruction of atheroma within an artery using equipment introduced by catheter. Directional atherectomy involves the use of a device with an incising blade that can be directed to one side of the artery at a time. Rotational atherectomy (rotablation) is achieved with a diamond-tipped drill (burr) that rotates at up to 185,000 times per minute.

Subjects: Medicine and Health.

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