What is the procedure called that involves the removal of plaque from a blood vessel?

• A. Atherectomy
• B. Angioplasty
• C. Bypass surgery
• D. Balloon dilation

Answer: (A)

The procedure involving the removal of plaque from a blood vessel is known as atherectomy. Atherectomy specifically targets the plaque that accumulates within the arteries, helping to restore proper blood flow. During the procedure, a specialized catheter equipped with a rotating shaver or blade is inserted into the artery to excise or shave off the plaque that is restricting blood flow. This technique is particularly useful in treating atherosclerosis and is often applied in conjunction with other treatments to enhance blood circulation.

Atherectomy is distinct from other vascular procedures. For instance, angioplasty commonly involves the use of a balloon to widen a narrowed artery but doesn't involve removing the plaque itself. Similarly, bypass surgery entails rerouting blood around a blocked section of the artery via grafts rather than removing the blockage. Balloon dilation also refers to the technique of using a balloon to widen arteries but does not involve the excision of plaque tissue. Understanding these distinctions is crucial for recognizing the specific purposes and methodologies of each procedure in cardiovascular care.