Mesenteric Artery Disease

Patients whose symptoms are mild to moderate can often manage their disease by making lifestyle changes such as quitting smoking, getting regular exercise, and working with their doctors to take care of related conditions such as diabetes, high blood pressure, and high cholesterol. Doctors often use minimally invasive procedures such as balloon angioplasty and stenting to relieve the narrowing and improve blood supply to the kidney and intestines. In severe cases, an abdominal bypass operation may be necessary to improve the blood flow to the intestine. These treatment options are listed as follows:

Balloon angioplasty. During this procedure, your doctor places a tiny, soft plastic tube called a catheter into the artery, usually in the groin, and inject a dye that makes the blood vessels clearly visible on an x-ray image. Your doctor can also use a special catheter that has a small balloon at the end, which can be inflated and deflated. The deflated balloon catheter is inserted through an artery in the groin and guided to the narrowed segment of the artery. When the catheter reaches the blockage, the balloon is inflated to widen the narrowed artery.

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Stenting. In some cases, it may be necessary to place a stent. A stent is a small tube that holds open the artery at the site of the blockage. The stent is collapsed around a balloon when it is placed on the tip of the catheter and inserted into the body. Once the catheter reaches the blockage, the doctor expands the stent by inflating the balloon. The stent is left permanently in the artery to provide a reinforced channel through which blood can flow. Some stents (drug-eluting stents) are coated with medication that helps prevent the formation of scar tissue.

Arterial bypass surgery. If mesenteric artery disease is very advanced, or if blockages develop in an artery that is difficult to reach with a catheter, arterial bypass surgery may be necessary to restore blood flow. In this treatment approach, doctors place a bypass graft made of synthetic material or a natural vein taken from another part of the body. During the procedure, the surgeon will make an incision to expose the diseased segment of the artery, and then attach one end of a bypass graft to a point above the blockage and the other end to a point below it. The blood supply is then diverted through the graft, around the blockage, to bypass the diseased section of the artery. The diseased artery is left in place.

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