Graft Angioplasty in Hyderabad
— Bypass Graft Intervention at AIG Hospitals, Gachibowli

Saphenous Vein Grafts (SVG)	Harvested from the leg, these have historically been the most commonly used bypass grafts but are also the most prone to failure. Vein grafts undergo a distinct disease process involving early thrombosis (within the first month), intimal hyperplasia (1 to 12 months), and accelerated atherosclerosis with soft, friable plaque after the first year. This plaque is prone to distal embolisation during intervention. By 10 years, a substantial proportion of vein grafts become blocked or severely diseased.
Left Internal Mammary Artery (LIMA)	Considered the gold standard bypass conduit, the LIMA is most commonly used to bypass the left anterior descending (LAD) artery. It offers excellent long-term patency, often remaining open for decades. However, it may occasionally develop narrowing at the anastomotic (connection) site or, less commonly, diffuse arterial disease.
Radial Artery Grafts	Increasingly used as a second arterial conduit in coronary bypass surgery. Radial artery grafts are more prone to spasm in the early postoperative period but demonstrate excellent long-term patency when they remain open beyond the first year.

When is graft angioplasty needed?

• Recurrent angina years after bypass surgery — the most common presentation of graft failure, often requiring further evaluation and possible intervention.
• Acute coronary syndrome or heart attack in a patient with prior CABG — the culprit vessel may be either a native coronary artery or a failed bypass graft, determined through coronary angiography.
• Abnormal stress test in a post-bypass patient — indicating myocardial ischaemia in a territory supplied by either a bypass graft or a native coronary artery.
• Early graft thrombosis — occurring within days to weeks after coronary artery bypass surgery, this is an urgent condition that requires prompt diagnosis and intervention to restore blood flow.

How graft angioplasty differs from native vessel angioplasty

Treating a diseased bypass graft — particularly a degenerated saphenous vein graft — requires specific techniques not needed for native coronary angioplasty:

• Embolic protection devices — a distal filter or proximal occlusion balloon is often used during saphenous vein graft (SVG) intervention to capture friable plaque debris before it can embolise downstream and cause a heart attack. This is one of the most important safety measures specific to graft intervention.
• Careful lesion crossing — degenerated vein graft plaque is typically soft, friable, and unstable, requiring a gentler and more controlled technique than that used for heavily calcified native coronary artery disease.
• Consideration of the native vessel — in selected cases, treating the native coronary artery originally bypassed by the graft may be preferable, particularly when the vein graft is old, diffusely diseased, or has poor long-term durability.
• LASER angioplasty — selectively used for degenerated saphenous vein graft lesions to help reduce plaque burden and lower the risk of distal embolisation compared with balloon angioplasty alone.

Why embolic protection matters

Without embolic protection, treating a degenerated saphenous vein graft carries a meaningfully higher risk of distal embolisation — plaque fragments breaking off and blocking smaller downstream vessels, which can cause a heart attack during the very procedure intended to prevent one. Dr. Bhishma Chowdary uses embolic protection devices routinely for appropriate SVG interventions at AIG Hospitals.

Graft angioplasty versus redo bypass surgery

Graft Angioplasty Preferred When	A focal graft lesion is suitable for catheter-based treatment, the patient has a high surgical risk for redo sternotomy, or the native coronary artery or arterial graft remains a viable treatment target. Most patients with graft failure are managed with graft angioplasty because repeat open-heart surgery carries a substantially higher risk.
Redo Surgery Considered When	Extensive multi-graft failure is not suitable for catheter-based intervention, there is no viable native coronary artery target for treatment, or additional cardiac procedures such as valve surgery are required at the same time.

Graft angioplasty near you — serving Hyderabad

Patients with prior bypass surgery from across Gachibowli, Hitech City, Manikonda, Kondapur, Madhapur, Nanakramguda, Financial District, Jubilee Hills, and across Hyderabad, Telangana and Andhra Pradesh attend AIG Hospitals, Gachibowli for graft assessment and intervention. Dr. Bhishma Chowdary reviews prior surgical records and graft anatomy carefully before planning the procedure.

Book a graft angioplasty consultation

If you have had bypass surgery in the past and are experiencing recurrent chest pain or breathlessness, call +91-9000352998 for a specialist assessment at AIG Hospitals, Gachibowli.

Frequently asked questions

How long do bypass grafts typically last?

Arterial grafts, particularly the left internal mammary artery, have excellent long-term durability and often remain functional for 15 to 20 years or longer. Saphenous vein grafts have a less favourable track record — a meaningful proportion develop significant disease or blockage within 10 years, which is why graft angioplasty is a commonly needed procedure in patients years after their original bypass surgery.

Is graft angioplasty as risky as the original bypass surgery?

No — graft angioplasty is a catheter-based procedure performed under local anaesthesia without opening the chest, which carries substantially lower risk than repeat open-heart surgery. Redo sternotomy is technically more complex and higher risk than a first-time bypass operation due to scar tissue and adhesions, which is exactly why catheter-based graft angioplasty is preferred whenever anatomically feasible.

Why is a filter device used during some graft procedures?

Degenerated saphenous vein grafts often contain soft, friable plaque that can break apart during angioplasty and travel downstream, blocking smaller vessels and causing a heart attack during the procedure. An embolic protection filter, positioned beyond the blockage before treatment begins, catches this debris and is removed at the end of the procedure — significantly reducing this risk.

Why choose Dr. Bhishma Chowdary at AIG Hospitals, Hyderabad?

• DM Cardiology from Amrita Institute of Medical Sciences, Kochi — one of India's premier cardiac training institutions
• 13+ years of experience in interventional cardiology with over 1,000 coronary procedures performed
• Expertise in advanced imaging: IVUS, OCT, FFR, RFR, IFR — used routinely for complex and borderline cases
• Dedicated hybrid cardiac catheterisation laboratory at AIG Hospitals, Gachibowli — equipped with the latest imaging and intervention technology
• Radial (wrist) access preferred — lower complication risk and faster recovery
• Same-day results and direct discussion with the treating cardiologist — no waiting for a separate results appointment
• Presentations at SCAI SHOCK, TCTAP, India Live, and other international cardiology conferences
• Fluent consultations in English, Hindi, and Telugu

Book a Graft Angioplasty consultation

If you or a family member has been advised to have a Graft Angioplasty — contact Dr. Bhishma Chowdary's clinic at AIG Hospitals, Gachibowli, Hyderabad.

Call: +91-9000352998

Email: bhishmachowdary@gmail.com

Location: AIG Hospitals, Gachibowli, Hyderabad — 500032

Clinic hours: Monday to Saturday, 10:00 AM to 4:00 PM

services

• Coronary Angioplasty
• Primary Coronary Angioplasty (heart attack treatment)
• IVUS and OCT (advanced intravascular imaging)
• FFR / RFR / IFR (coronary physiology)
• TAVR / TAVI (structural heart)
• All services