What is Renal Artery Stenting?

Renal artery stenting is a procedure used to treat narrowing or blockages in the renal arteries, which are the blood vessels that supply the kidneys with blood. The narrowing or blockages, known as renal artery stenosis, can lead to reduced blood flow to the kidneys and potentially cause hypertension (high blood pressure) or kidney damage.

During the procedure, a catheter is inserted into a blood vessel, typically through the groin, and guided to the site of the renal artery stenosis using imaging techniques such as fluoroscopy or angiography. Once the catheter reaches the narrowed or blocked area, a stent is placed to restore blood flow.

The stent is a small, mesh-like tube made of metal or fabric. It is inserted into the renal artery and expanded, acting as a scaffold to keep the artery open and maintain proper blood flow to the kidneys. The stent remains in place permanently, providing support and preventing the artery from narrowing again.

Renal artery stenting is typically performed by interventional radiologists or vascular surgeons. It is considered a minimally invasive procedure, as it is performed through a small incision and does not require open surgery. The benefits of renal artery stenting include improved blood flow to the kidneys, reduction in blood pressure, and preservation of kidney function.

However, it is important to note that not all cases of renal artery stenosis require stenting. The decision to perform renal artery stenting is based on various factors, including the severity of the stenosis, the presence of symptoms, and the overall health of the patient. Other treatment options, such as medication or lifestyle modifications, may be considered as well.

As with any medical procedure, it is crucial to consult with a healthcare professional to determine the most appropriate treatment plan based on individual circumstances.