Coronary angioplasty with stent placement—also known as Percutaneous Coronary Intervention (PCI)—is a minimally invasive procedure used to open narrowed or blocked coronary arteries. These arteries supply oxygen-rich blood to the heart muscle, and when they become restricted due to plaque buildup (atherosclerosis), it can lead to chest pain, shortness of breath, or even a heart attack.
This procedure not only restores healthy blood flow to the heart but can also relieve symptoms quickly and reduce the risk of future cardiac events. In many cases, angioplasty and stenting can be performed during the same session as a diagnostic cardiac catheterization.
What Is Coronary Angioplasty?
Coronary angioplasty is a procedure in which a small balloon at the tip of a catheter is inflated inside a narrowed artery to widen it. Once the artery is opened, a stent—a small, mesh-like metal tube—is typically placed to help keep the artery open long-term.
The stent remains permanently in place, acting as a scaffold to support the artery and maintain proper blood flow.
Why Is This Procedure Performed?
Your cardiologist may recommend coronary angioplasty and stent placement to:
- Treat coronary artery disease (CAD) caused by plaque buildup
- Relieve chest pain (angina) or pressure
- Improve blood flow to the heart muscle
- Reduce symptoms such as fatigue or shortness of breath
- Open an artery during or after a heart attack to limit heart damage
- Improve overall heart function and quality of life
This procedure is often recommended when medications and lifestyle changes alone are not enough to manage symptoms or when a blockage poses a significant risk.
How the Procedure Works
Coronary angioplasty and stenting are performed in a specialized catheterization lab (cath lab) and typically take about 30 minutes to a few hours, depending on the number and complexity of blockages.
During the Procedure:
- You will be awake but given a sedative to help you relax
- A catheter is inserted into a blood vessel in the wrist or groin
- The catheter is guided to the coronary arteries using imaging
- A contrast dye is injected to identify the blockage
- A small balloon is inflated at the blockage site to open the artery
- A stent is placed to keep the artery open
- The balloon is deflated and removed, leaving the stent in place
Most patients feel little discomfort, though you may notice mild pressure when the balloon is inflated.
What to Expect Before and After
Before the Procedure:
- You may be asked to fast for several hours
- Medications may be adjusted temporarily
- Blood tests and imaging may be performed beforehand
- Your doctor will review your medical history and explain the procedure
After the Procedure:
- You will be monitored for several hours or overnight, depending on your condition
- The insertion site will be checked for bleeding or swelling
- Most patients can walk within a few hours if the wrist was used
- You will receive instructions on medications, including blood thinners
- Return to normal activities typically occurs within a few days
Follow-up care is important to ensure the stent remains open and your heart health continues to improve.
Benefits of Angioplasty and Stenting
This procedure offers several important advantages:
- Restores blood flow to the heart quickly and effectively
- Provides rapid relief of chest pain and symptoms
- Minimally invasive compared to open-heart surgery
- Shorter recovery time
- Can be life-saving during a heart attack
- Improves overall quality of life and exercise tolerance
Risks and Considerations
Coronary angioplasty and stenting are widely performed and generally safe. However, potential risks include:
- Bleeding or bruising at the catheter insertion site
- Blood vessel damage
- Re-narrowing of the artery (restenosis) over time
- Blood clot formation within the stent
- Allergic reaction to contrast dye
- Irregular heart rhythms
- Rare complications such as heart attack or stroke
Your cardiologist will discuss your individual risk profile and ensure the benefits outweigh any potential risks.
Frequently Asked Questions
Is the stent permanent?
Yes, the stent is designed to remain in place permanently to help keep the artery open.
Will I feel the stent inside my body?
No, you will not feel the stent once it is in place.
How long does the procedure take?
Most procedures take between 30 minutes and a few hours, depending on the number of blockages being treated.
Will I be awake during the procedure?
Yes, but you will be given medication to help you relax and stay comfortable.
What medications will I need after the procedure?
You will likely be prescribed antiplatelet medications (blood thinners) to help prevent clots from forming in the stent.
Can arteries become blocked again after a stent?
While modern stents significantly reduce this risk, some patients may experience re-narrowing over time. Following your treatment plan and maintaining a heart-healthy lifestyle can help minimize this risk.
How soon can I return to normal activities?
Many patients return to light activities within a day or two and resume normal routines within several days, depending on individual recovery.
When to Consider Angioplasty and Stenting
This procedure may be recommended if you have:
- Significant coronary artery blockages
- Ongoing chest pain despite medication
- Abnormal stress test results
- A heart attack or high risk of one
Prompt treatment can restore blood flow and help prevent further heart damage.
Schedule a Consultation
If you’ve been diagnosed with coronary artery disease or are experiencing symptoms such as chest pain or shortness of breath, coronary angioplasty and stent placement may be an effective treatment option.
The team at Cedars Heart Clinic provides advanced, minimally invasive cardiac care with a focus on safety, precision, and patient comfort. Contact our office to schedule a consultation and learn more about your treatment options for restoring healthy blood flow and protecting your heart.
