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Gangrene ... Amputation can be avoided
In many cases, interventional radiologists can open blocked or narrowed blood vessels caused by peripheral arterial disease or other conditions. For example, in some patients, high blood pressure is caused by blockage in the artery to the kidney, a condition known as renal vascular hypertension. Interventional radiologists can often treat blocked blood vessels without surgery. In most cases, hospitalization and general anesthesia are not required. There is no surgical incision --just a small nick in the skin -- and no stitches are needed. Often, patients may return to normal activity shortly after the procedure.
Inventors of Angioplasty and Stenting
As the inventors of angioplasty and the catheter-delivered stent, which were first used in the legs to treat peripheral arterial disease, interventional radiologists pioneered minimally invasive modern medicine.
Angioplasty and Stenting Definition
In this technique, the interventional radiologist inserts a very small balloon attached to a thin catheter into a blood vessel through a small nick in the skin. The catheter is threaded under X-ray guidance to the site of the blocked artery. The balloon is inflated to open the artery. Sometimes, a small metal scaffold, called a stent, is inserted to keep the blood vessel open.
Balloon angioplasty and stenting have generally replaced open surgery as the first-line treatment because randomized trials have shown interventional therapy to be as effective as surgery for many arterial occlusions. In the past seven to ten years, a very large clinical experience in centers around the world has shown that stenting and angioplasty are preferred as a first-line treatment for more and more processes throughout the body.
This treatment is used if the blockage in an artery is caused by a blood clot. Thrombolytic drugs that dissolve clots are injected through a catheter to eliminate the clot and restore blood flow.