CABG

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What is Coronary Artery Bypass Grafting (CABG)?

Here’s a comprehensive guide on Coronary Artery Bypass Grafting (CABG), including its types, symptoms, risk factors, causes, prevention, treatment, and procedures.

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Coronary Artery Bypass Grafting (CABG) is a surgical procedure used to treat severe coronary artery disease (CAD). It involves rerouting blood flow around blocked arteries using a healthy blood vessel (graft) taken from another part of the body, such as the leg, arm, or chest. This restores proper blood flow to the heart, reducing chest pain and the risk of a heart attack.

Types of Coronary Artery Bypass Grafting (CABG)

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Traditional (Open-Heart) CABG

The most common type, where the chest is opened, and the heart is temporarily stopped during surgery.

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Off-Pump CABG (Beating-Heart Surgery)

Performed without stopping the heart, reducing complications.

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Minimally Invasive Direct Coronary Artery Bypass (MIDCAB)

A less invasive option using small incisions instead of a full chest opening.

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Robot-Assisted CABG

A highly advanced procedure using robotic arms for precision surgery.

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Hybrid CABG

A combination of minimally invasive surgery and angioplasty with stenting.

Symptoms Indicating the Need for CABG

CABG is recommended if a person experiences:

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Severe chest pain (angina)

especially during activity

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Shortness of breath
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Fatigue or weakness
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Irregular heartbeat (arrhythmia)
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Swelling in the legs or feet due to poor circulation
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Heart attack or a high risk of one

Risk Factors of Coronary Artery Bypass Grafting

Although CABG is a life-saving procedure, it carries some risks, including:

Although CABG is a life-saving procedure, it carries some risks, including:

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Causes Leading to Coronary Artery Bypass Grafting

CABG is needed when arteries supplying the heart become narrowed or blocked due to:

Coronary Artery Disease (CAD) – Fatty plaque buildup in the heart arteries.

Atherosclerosis – Hardening and narrowing of arteries over time.

Heart attack (Myocardial Infarction) – Severe blockage causing damage to heart muscles.

Severe angina (chronic chest pain) – Poor blood flow leading to recurrent pain.

Failure of other treatments like angioplasty and stent placement.

How to Prevent the Need for Coronary Artery Bypass Grafting?

You can lower your risk of heart disease and bypass surgery by:

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Eating a heart-healthy diet

(low in saturated fats, processed foods, and sugar)

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Exercising regularly

(at least 30 minutes per day)

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Managing high blood pressure and cholesterol levels
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Controlling diabetes through proper diet and medication
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Quitting smoking and limiting alcohol intake
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Maintaining a healthy weight
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Managing stress effectively
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Going for regular heart check-ups

Treatment Options for Coronary Artery Disease (CAD) Before CABG

Before recommending CABG, doctors may try:

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Medications

Blood thinners, cholesterol-lowering drugs, and beta-blockers.

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Lifestyle changes

Diet, exercise, weight management, and stress reduction.

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Angioplasty and Stenting

A less invasive method to open blocked arteries.

If these treatments are not effective, CABG is recommended.

Procedures Available for Coronary Artery Bypass Grafting

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Graft Selection – A healthy artery or vein is taken from the chest, leg, or arm.

Heart-Lung Bypass Machine (in traditional CABG) – Temporarily takes over heart function.

Graft Placement – The surgeon connects the graft to reroute blood flow.

Suturing and Recovery – The chest is closed, and post-surgery monitoring begins.

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Hospital Stay – Around 5–7 days, with ICU monitoring.

Recovery Time – Full recovery takes 6–12 weeks.

Cardiac Rehabilitation – Exercise and lifestyle programs to improve heart health.