How Is Renal Artery Stenosis Treated?

Renal Angioplasty And Stenting

When diet changes and medications are not effective at treating renal artery stenosis, a procedure called renal angioplasty and stenting may be recommended. This surgical procedure lowers blood pressure, increases blood flow to the kidneys, and prevents further complications such as organ damage. Renal angioplasty and stent placement involve the use of a long flexible tube called a catheter, a small balloon, and a stent or mesh wire tube. A small incision is made in the patient's thigh, and the surgeon guides the catheter from the femoral artery to the affected renal artery. A small balloon at the end of the catheter is then inflated, and the plaque or excess tissue are pushed against the walls of the artery. This mechanism effectively widens the artery. The surgeon then places the wire mesh tube or stent inside of the widened artery to hold its expanded position. The balloon is then deflated, and the catheter and balloon are removed. The stent stays in place permanently to allow for better blood flow to the kidneys. Renal angioplasty and stenting placement is a minimally invasive procedure, and it has a significantly quicker recovery time than other traditional open surgical procedures.

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