Cardiology is the medical specialty focused on the heart and the cardiovascular system. It involves the diagnosis, treatment, and prevention of conditions affecting the heart and blood vessels. These conditions include coronary artery disease, heart failure, arrhythmias (irregular heartbeats), and valve disorders. The field covers a broad spectrum, from congenital heart defects present at birth to acquired conditions like heart attacks.
Send us all your questions or requests, and our expert team will assist you.
One of the greatest advantages of a renal angiogram is that it bridges the gap between seeing the problem and fixing it. This spares you from needing a separate surgery on a different date. The goal of treatment is to widen the narrowed artery, restore healthy blood flow, and essentially “rescue” the kidney from starvation.
We will explain the techniques used to open the vessels, such as angioplasty and stenting. We will also discuss the recovery process, which is generally quick but requires careful attention to the puncture site. Rehabilitation here is not about months of physical therapy, but rather a few days of rest and monitoring to ensure the artery heals and the blood pressure stabilizes.
While you are on the table, the doctor is looking at the live X-ray feed. They are measuring the severity of the narrowing. A blockage is usually considered significant if it reduces the diameter of the artery by more than 60% or 70%. They also look at the pressure difference across the blockage.
If the narrowing is mild, the doctor may decide that medication is the best route and no physical intervention is needed. If the blockage is severe and is clearly causing the high blood pressure or kidney failure, they will recommend proceeding with angioplasty. They will usually discuss this possibility with you before the procedure starts so you can give consent in advance.
Renal angioplasty is the procedure used to open the blocked artery. It is very similar to the angioplasty done for heart attacks. The doctor guides a specialized catheter that has a tiny, deflated balloon at its tip into the narrowed section of the renal artery.
Once the balloon is perfectly positioned inside the blockage, it is inflated. The force of the balloon pushes the plaque and the artery wall outward, physically widening the channel. This restores the space needed for blood to flow freely. The balloon is then deflated and removed.
The moment the balloon inflates, you might feel a dull ache in your back or side. This is because the artery is being stretched. This sensation is temporary and stops as soon as the balloon is deflated. The inflation typically lasts less than a minute.
The balloon acts like a specialized expander. It crushes the fatty deposits against the vessel wall. In some cases, the balloon alone is enough to keep the vessel open, but often, the artery walls are elastic and try to spring back. This step is where a stent comes in.
To prevent the artery from narrowing again (recoil), the doctor often places a stent. A stent is a tiny, expandable mesh tube made of metal. When the balloon inflates, the stent expands and locks into place against the artery walls.
When the balloon is withdrawn, the stent stays behind permanently. It acts like a scaffold or a skeleton for the artery, holding it open. Over time, your body’s own tissue grows over the stent, incorporating it into the artery wall. It is safe, durable, and very effective at maintaining blood flow.
After the procedure is complete, you are moved to the recovery area. This is a quiet time for observation. The nursing staff monitors you closely. The primary focus is the entry site in your groin or wrist. If the groin was used, you must keep your leg perfectly straight for 4 to 6 hours. Bending the leg could cause the artery to reopen and bleed.
You will be given light snacks and drinks. The nurses check the pulse in your feet or hands to ensure the blood flow to your limbs is strong, confirming that the procedure didn’t interfere with circulation to your legs or arms.
Once you are discharged, the care of the puncture site becomes your responsibility. For the first 24 to 48 hours, you should take it very easy. Avoid heavy lifting (anything more than a gallon of milk) and strenuous exercise. Walking around the house is fine, but no jogging or gym workouts.
You may shower 24 hours after the procedure, but avoid soaking in a bath, swimming pool, or hot tub for about a week. This keeps the wound dry and prevents infection. You might see a small bruise or feel a hard lump the size of a pea under the skin; this is normal scarring. If the site starts to bleed, lie down, apply firm pressure, and call for medical help.
Recovery from renal angio is usually not very painful. Most patients do not need strong painkillers. Over-the-counter medication is usually sufficient for any soreness at the puncture site. However, do not take aspirin or ibuprofen without checking with your doctor, as these can increase bleeding risk or affect kidney function.
You will likely be prescribed anti-platelet medication, such as clopidogrel or daily aspirin, especially if a stent was placed. These drugs prevent blood clots from forming on the new stent. It is absolutely critical to take these exactly as prescribed. Stopping them early can cause the stent to clog up suddenly, which is dangerous.
The soreness at the incision site usually feels like a bruise. Applying an ice pack (wrapped in a towel, not directly on skin) can help reduce swelling and discomfort. Do these activities for 15 minutes at a time. If you experience severe back pain or abdominal pain, report it immediately, as this is not typical for the incision site recovery.
They keep the blood slippery so it flows smoothly through the metal mesh. You might need to take these for a month, a year, or indefinitely, depending on the type of stent and your overall health. Always tell other doctors (like dentists) that you are on these medications before any other procedures.
You will typically see your doctor for a follow-up visit about a week or two after the procedure to check the incision site. A more comprehensive check-up usually happens a month later. At this visit, they will check your blood pressure and kidney labs.
The hope is that your blood pressure has improved and your kidney function has stabilized or gotten better. Sometimes, an ultrasound is repeated after six months to ensure the stent is still open and working well. This ongoing monitoring ensures the long-term success of the treatment.
Send us all your questions or requests, and our expert team will assist you.
Kidney stents are permanent implants. They are designed to last a lifetime. They do not need to be replaced, but they do need to be monitored to ensure they stay open
It varies. For some, the drop is immediate. Others have to wait weeks or months for their bodies to adjust. Some patients still need medication, but fewer pills or lower doses than before
Yes, it is possible for scar tissue to grow inside the stent (restenosis) or for new blockages to form elsewhere. Controlling risk factors like smoking and cholesterol minimizes this risk.
Most people can return to office work or light duties within 2 to 3 days.
No. The artery has no nerve endings that can feel the metal mesh. Once it is placed, you will not feel it at all.
Nearly 1 in 5 adults in the United States have kidney disease. This makes renal angiograms key for spotting vascular issues. We’ll explain what a
Your Comparison List (you must select at least 2 packages)
