- A person who has a major block/obstruction in the coronary artery, leading to more than 70% – 80% diameter stenosis and
- If he has suffered from heart attack in the near past or
- If he has stress test is positive or
- If he has chest pain (angina) while doing daily activities of life or
- If he has experiences pain (unstable angina) even while sitting/ while doing minimal movement or
- If a patient has ongoing severe heart attack.
After angiography an expert interventional cardiologist considers many factors like patient’s age and his general health; presence of other coexisting illnesses like diabetes;efficiency of the heart; condition of vital organs like lungs,kidneys, brain; location and other characteristics of the block to decide the need and feasibility of angioplasty. In many cases will and aptitude of the patient and his relatives also play an important role in decision making.
Immediate angioplasty becomes compulsory during unstable angina and heart attack. In such circumstances, it is a life saving procedure. In most other cases of stable angina, the patient can take decision within a few days and subsequently, can undergo angioplasty.