✦ Renal Artery Stenosis Treatment

PTRA + Stenting (Renal Artery Stenosis)

Q: Will my blood pressure improve after renal artery stenting?

Blood pressure improves or is better controlled in 70–80% of patients; cure (off all medications) occurs in about 20%, mainly in fibromuscular dysplasia.

Q: How long does a renal artery stent last?

Stents maintain patency in over 80% of patients at 5 years; restenosis, if it occurs, can be managed with repeat balloon angioplasty.

Q: What medications are needed after stenting?

Dual antiplatelet therapy (aspirin + clopidogrel) is continued for 1–3 months after stenting; lifelong aspirin is recommended. Your consultant will provide specific guidance based on your individual clinical situation and recovery.

Percutaneous Balloon Dilatation and Stenting of the Renal Artery

60–120 min PROCEDURE

Day Care / 1 Day HOSPITAL STAY

>85% SUCCESS RATE

2–5 Days RECOVERY

What is PTRA + Stenting (Renal Artery Stenosis)?

Percutaneous Transluminal Renal Angioplasty (PTRA) with stenting is a minimally invasive endovascular procedure to open a narrowed renal artery. A catheter is advanced from the femoral or radial artery to the renal artery; a balloon dilates the stenosis and a metal stent is deployed to maintain patency. PTRA is the preferred treatment for atherosclerotic ostial renal artery stenosis and fibromuscular dysplasia causing renovascular hypertension or ischaemic nephropathy. The procedure is performed under general or spinal anaesthesia with a hospital stay of Day Care / 1 Day.

Patients with haemodynamically significant renal artery stenosis (>70%) causing resistant hypertension, flash pulmonary oedema, or deteriorating renal function. Patients must be adequately fit for anaesthesia and free from active systemic infection before proceeding.

How the Procedure Works

Catheter Placement

Femoral or radial artery access; guiding catheter placed at the renal artery ostium under fluoroscopy.

Angiographic Assessment

Renal artery anatomy and severity of stenosis confirmed by angiography.

Wire Crossing

Guidewire advanced across the stenosis; balloon catheter positioned at the stenotic segment.

Balloon Dilatation & Stenting

Balloon inflated to dilate the stenosis; stent deployed and post-dilated to achieve optimal lumen.

Final Angiogram & Closure

Final angiogram confirms adequate lumen; sheath removed; compression haemostasis applied.

Outcomes

60–120 minDURATION

Day Care / 1 DayHOSPITAL STAY

>85%SUCCESS RATE

2–5 DaysFULL RECOVERY

Who Needs This Treatment?

→Minimally invasive — avoids open surgical bypass entirely.
→Immediate restoration of renal artery flow confirmed by angiography.
→Controls renovascular hypertension reducing medication burden.
→Protects ischaemic kidney from progressive function loss.
→Day-case or overnight procedure with rapid recovery.
→Stent maintains patency long-term preventing restenosis.

"PTRA and stenting is an elegant solution to renovascular hypertension. With a day-case procedure through a needle puncture, we can restore normal renal artery flow and often dramatically reduce a patient's antihypertensive medication burden."

— — Dr. Vipin Reddy, Consultant Urologist, Andrologist & Renal Transplant Surgeon

Common Questions

Frequently Asked

Will my blood pressure improve after renal artery stenting?+

How long does a renal artery stent last?+

What medications are needed after stenting?+

Not sure which treatment is right for you?

Book a consultation with Dr. Vipin Reddy and get a personalised treatment plan.

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