Coronary Angioplasty

Angioplasty is a minimally invasive procedure used to open narrowed or blocked arteries that supply blood to the heart, also known as coronary arteries. This procedure is most commonly performed to treat coronary artery disease (CAD), which is caused by the buildup of plaque (fatty deposits) in the arteries. Angioplasty improves blood flow to the heart muscle, relieves symptoms such as chest pain (angina), and reduces the risk of heart attacks. In an angioplasty procedure, a balloon catheter is inserted into the blocked artery and inflated to widen the artery, thereby improving blood flow. In many cases, a stent (a small mesh tube) is placed to help keep the artery open after the procedure. Angioplasty can be performed in a catheterization lab (also called a cardiac catheterization lab or angiography suite). Angioplasty is a commonly performed procedure, with high success rates. It is often used in patients who have significant blockages in the coronary arteries but do not require open-heart surgery. It can also be used as a bridge to surgery in patients who are not suitable candidates for coronary artery bypass surgery (CABG).

The primary cause of the need for angioplasty is coronary artery disease (CAD), which occurs when plaque builds up inside the coronary arteries. There are several factors that contribute to this process:

Atherosclerosis Atherosclerosis is the most common cause of coronary artery disease. It occurs when cholesterol and fatty deposits accumulate in the arteries, causing them to harden and narrow. This reduces the flow of oxygen-rich blood to the heart.

High Blood Pressure (Hypertension) High blood pressure can damage the arteries over time, making them more prone to plaque buildup and narrowing. Elevated blood pressure puts extra stress on the heart and can accelerate the development of coronary artery disease.

High Cholesterol High levels of LDL cholesterol (often referred to as "bad cholesterol") can lead to plaque formation in the arteries. This increases the risk of blockages and narrowing, which may require angioplasty.

Diabetes People with diabetes are more prone to developing coronary artery disease. High blood sugar levels contribute to plaque buildup, inflammation in the arteries, and overall heart dysfunction.

Smoking Smoking accelerates the process of atherosclerosis and increases the risk of heart disease by causing inflammation in the arteries, increasing blood pressure, and reducing levels of good cholesterol (HDL).

Obesity Being overweight or obese increases the risk of developing high blood pressure, high cholesterol, and diabetes—all of which are risk factors for coronary artery disease.