What is Coronary Angiography?
Coronary angiography is a procedure that uses a special dye and X-rays to see how blood flows through the arteries of the heart. It is the gold standard diagnostic tool for evaluating coronary artery disease and is used to identify the location and severity of blockages before planning further treatment. At Swasthyam Superspeciality Hospital, Nagpur, coronary angiography is performed in a state-of-the-art Cath Lab by experienced interventional cardiologists, ensuring accurate diagnosis and safe, efficient care for every patient.
Coronary angiography has remained the gold standard in evaluating coronary atherosclerotic disease since its inception in 1958. It gives an idea of the location and severity of the diseased coronary vessel and provides information on the extent of collateral circulation.
Why is Coronary Angiography Recommended?
Coronary angiography is recommended when a cardiologist needs a definitive picture of the coronary arteries that non-invasive tests cannot provide. Common indications include:
- Chest pain (angina) that is unresponsive to medications
- Abnormal ECG, TMT, or stress echo findings suggesting coronary blockage
- Recent heart attack requires the identification of the blocked vessel
- Before cardiac surgery to map the coronary anatomy
- Unexplained heart failure or reduced ejection fraction
What Does Coronary Angiography Detect?
The procedure involves injecting a contrast dye into the coronary arteries and taking X-ray images to visualise blood flow. Stenosis refers to the narrowing of the coronary arteries most commonly due to plaque buildup, and a degree of 70% or more is considered a significant blockage. The results directly guide whether a patient needs angioplasty, bypass surgery, or medical management alone.
Types of Coronary Angiography
Conventional Coronary Angiography (Invasive)
The standard and most commonly performed form, where a catheter is inserted through the wrist (radial approach) or groin (femoral approach) and guided to the coronary arteries. Cardiac catheterization and coronary angiography are minimally invasive methods of studying the heart and blood vessels without doing surgery, and major complications occur in 1% or less of cases.
CT Coronary Angiography (Non-Invasive)
A non-invasive alternative that uses computed tomography imaging and contrast dye to produce detailed images of the coronary arteries without inserting a catheter. It is used for patients with a lower pre-test probability of significant disease or those unable to undergo conventional angiography.
What to Expect Before, During, and After Coronary Angiography
Before the Procedure
You should not eat or drink anything for 8 hours before the test starts. It is important to share a list of all medications you take regularly, including over-the-counter medicines and supplements. Your provider may instruct you to stop taking certain medicines, such as anticoagulants or diuretics for a brief period before the test. Blood tests, ECG, and kidney function assessment are completed beforehand to ensure patient safety.
During the Procedure
An area of your body, the arm or groin, is cleaned and numbed with a local anaesthetic. The cardiologist passes a thin hollow tube called a catheter through an artery and carefully moves it up into the heart. Once the catheter is in place, dye is injected, and X-ray images are taken to see how the dye moves through the artery. The procedure most often lasts 30 to 60 minutes. An X-ray machine moves around you so the interventional cardiologist has a real-time view of where the catheter and contrast dye is moving.
Post Cardiac Angiography Care
Patients are monitored in a recovery area for a few hours after the procedure. The access site at the wrist or groin is checked for any bleeding. If a significant blockage is found, the cardiologist may discuss proceeding with angioplasty. If a blockage is found, your cardiologist may perform a percutaneous coronary intervention to open the blockage. This can be done during the same procedure. Most patients are discharged the same day or the following morning depending on findings.
Why Choose Swasthyam Superspeciality Hospital for Coronary Angiography in Nagpur?
State of the Art Cardiac Catheterisation Facility in Nagpur
Our Cath Lab is equipped with high precision flat panel imaging technology that provides superior visualisation of the coronary arteries, enabling accurate diagnosis and safe intervention even in complex cases.
Experienced Interventional Cardiologist
Dr. Pankaj Harkut, our lead interventional cardiologist, has over two decades of experience in coronary angiography and complex coronary interventions. He has independently performed hundreds of diagnostic and interventional cardiac procedures.
24x7 Emergency Care
For patients presenting with a heart attack, our Cath Lab is operational round the clock, enabling primary angioplasty to be performed immediately after emergency angiography without delay.
Frequently Asked Questions
Is coronary angiography painful?
No. The procedure is performed under local anaesthesia and mild sedation. You remain awake but comfortable throughout. Most patients feel only mild pressure at the catheter insertion site.
How long does coronary angiography take?
The procedure typically takes 30 to 60 minutes. Including preparation and recovery time, patients should expect to spend half a day at the hospital.
Is coronary angiography safe?
Yes. It is a well established minimally invasive procedure. Serious complications occur in less than 1% of cases and the procedure is performed under continuous cardiac monitoring throughout.
Can angioplasty be done immediately after angiography?
Yes. If a significant blockage is found during angiography, the cardiologist may proceed with angioplasty and stenting in the same session, avoiding a second procedure.