Stent Surgery: Candidacy, Steps and Recovery

Stent surgery usually refers to angioplasty with stent placement, a minimally invasive procedure that improves blood flow through a narrowed or blocked artery. It is commonly used for coronary artery disease and may be performed urgently during a heart attack or as a planned treatment for symptoms such as angina.

How stent surgery works

Stent surgery is a commonly used term for angioplasty and stent placement. It is not open-heart surgery. During the procedure, a specialist guides a thin flexible tube called a catheter through a blood vessel to a narrowed artery. A small balloon is inflated to widen the narrowed area, and a stent is usually left in place to support the artery from within.

Most stents used in heart arteries are drug-eluting stents. These slowly release medication that helps reduce the chance of the artery narrowing again. The procedure is most often used in the coronary arteries, which supply blood to the heart muscle, but stents may also be used in certain arteries elsewhere in the body. The exact purpose, technique and recovery depend on the artery being treated.

For coronary disease, stenting can improve blood flow and relieve angina, the chest discomfort that may occur when the heart does not receive enough oxygen-rich blood. In an acute heart attack caused by a blocked coronary artery, urgent angioplasty and stenting can restore blood flow and limit damage to the heart muscle.

Who may be a candidate for a stent

A person may be considered for a coronary stent when testing shows a significant narrowing in an artery and the finding matches their symptoms or clinical situation. Typical reasons include stable angina that continues despite appropriate medicines, a heart attack, unstable angina, or evidence that a particular area of heart muscle is receiving too little blood.

Doctors consider more than the percentage of narrowing seen on an angiogram. They also assess the location and number of narrowed arteries, symptoms, heart function, kidney health, bleeding risk, other medical conditions and the person’s preferences. Tests such as an electrocardiogram, echocardiogram, exercise or imaging stress test, Coronary Angiography: What It Shows and How to Prepare" class="ahp-ilk">CT coronary angiography, or invasive coronary angiography may inform the decision.

Stenting is not automatically the best option for every blockage. Some people do well with medicines and heart-healthy lifestyle changes, while others with extensive or complex coronary artery disease may be advised to consider coronary artery bypass surgery. A cardiology team can explain the expected benefit of each approach for the individual.

• New or worsening angina despite treatment may prompt further assessment.
• Acute coronary syndromes, including some heart attacks, often require urgent angiography and possible stenting.
• Complex disease involving several major arteries may require discussion of surgery as well as catheter-based treatment.

Stent procedure steps: what happens on the day

Before the procedure, the clinical team reviews medicines, allergies, kidney function and bleeding risk. Blood-thinning medicines, diabetes medicines and other prescriptions may need individual instructions, so patients should not stop any medication unless their treating team advises it. Fasting may be requested for a planned procedure.

In the catheter laboratory, monitoring pads are placed on the chest and an intravenous line is inserted. The wrist or groin is cleaned and numbed with local anaesthetic. Many people remain awake and receive medication to help them relax, although they may feel brief pressure at the access site. The doctor then places a small sheath into the artery and guides the catheter toward the heart using live X-ray imaging.

Contrast dye is injected to show the coronary arteries on an angiogram. If treatment is appropriate, a guidewire crosses the narrowed segment. A balloon catheter is expanded to open the artery, and a stent mounted on a balloon is positioned and expanded. The balloon is removed, while the stent remains in place. Further imaging confirms that blood flow is satisfactory.

The procedure length varies according to the anatomy and number of arteries treated. Afterward, the catheter is removed and pressure or a closure device is used at the access site. Patients are observed for changes in heart rhythm, blood pressure, chest symptoms and bleeding. Planned procedures may involve discharge on the same day or after an overnight stay, while recovery after a heart attack is often longer.

Benefits and possible risks

For a heart attack caused by a blocked coronary artery, timely stenting can restore blood flow quickly and is an important emergency treatment. For selected people with angina, it may reduce symptoms and improve the ability to carry out daily activities. Stenting treats a specific narrowed area; it does not remove the underlying tendency to develop atherosclerosis elsewhere in the arteries.

Like all invasive procedures, stent placement has risks. More common short-term issues include bruising, tenderness or bleeding where the catheter entered the body. Less common complications can include artery damage, an allergic reaction to contrast dye, kidney injury related to contrast, abnormal heart rhythms, heart attack, stroke or emergency surgery. The team takes precautions to reduce these risks and discusses them before a planned procedure.

A blood clot can rarely form inside a stent, particularly if antiplatelet medication is stopped too soon. Narrowing can also develop again within or near the treated segment, although modern drug-eluting stents have lowered this risk. Taking medicines exactly as prescribed and attending follow-up visits are important parts of treatment.

Recovery timeline after stent surgery

Recovery differs according to whether the procedure was planned or performed during an emergency. After an uncomplicated wrist-access procedure, mild soreness or bruising can occur for several days. Patients are generally encouraged to drink fluids if appropriate for their health, rest on the day of discharge and follow their hospital’s specific instructions for bathing, wound care and activity.

Many people can return to gentle daily activities within a day or two after a planned procedure. Heavy lifting, forceful wrist use or strenuous exercise may need to be avoided for several days, especially when the wrist was used. Recovery after groin access can require a little more caution with bending and lifting. Return to work, driving, travel and exercise should be based on the cardiologist’s advice, particularly after a heart attack.

Antiplatelet medicines help prevent clots in the new stent. Depending on the clinical situation, this may include aspirin with another antiplatelet medicine for a defined period. These medicines should not be missed, reduced or stopped without guidance from the cardiologist, including before dental work or another operation. Cardiac rehabilitation can provide supervised support for safe exercise, education, emotional wellbeing and long-term risk reduction.

Follow-up commonly includes review of symptoms, blood pressure, cholesterol management and other cardiovascular risks. A sustainable recovery plan also includes not smoking, regular physical activity as advised, a heart-healthy eating pattern, sleep, weight management where relevant, and treatment for conditions such as diabetes or high blood pressure.

When to seek medical care

Urgent medical attention is needed for chest pressure, pain or tightness that is severe, persistent, recurrent, or accompanied by shortness of breath, sweating, nausea, fainting or pain spreading to the arm, jaw, back or shoulder. These symptoms may signal a heart attack or another serious condition, especially in someone with known coronary artery disease or a previous stent.

After stent placement, patients should contact their care team promptly for increasing swelling, bleeding that does not stop with firm pressure, marked redness or drainage at the access site, fever, a cold or numb hand or leg, or worsening pain. Emergency assessment is needed for sudden weakness on one side, trouble speaking, sudden severe breathlessness, fainting or new chest symptoms.

People should also arrange a non-urgent medical review if angina returns during activity, becomes more frequent, or limits normal life. A stent does not replace ongoing prevention and follow-up. Early discussion of new symptoms allows the care team to determine whether medication adjustment, testing or another treatment is needed.

Living well with a coronary stent

A coronary stent can be one part of a broader plan to manage coronary artery disease. The long-term aim is to protect the heart and reduce the risk of future cardiovascular events. This includes taking prescribed medicines, including cholesterol-lowering medicines when recommended, and attending scheduled appointments even when symptoms have improved.

A cardiologist may recommend cardiac rehabilitation after stenting, particularly following a heart attack. This structured programme helps people rebuild confidence with activity, understand medicines, address emotional concerns and adopt practical habits that support heart health. Relatives and caregivers can often help by encouraging medication adherence and shared lifestyle changes.

Acıbadem Health Point’s multidisciplinary specialists and JCI-accredited hospitals provide assessment and treatment for international patients who need coronary artery care. Decisions about stent placement should always be made with a qualified cardiology team after an individual review of symptoms, test results and treatment goals.

Frequently asked questions