We can not predict the life span of any one but can help you maintaining the life quality. As you have recovered for heart attack
and implanted 4 stent, you have to be more specific to diet and life style. If you reduces the risk factors for Coronary heart Disease
, than you may increases your prognosis. The risk Factors are:
1. High total Cholesterol and triglycerides
2. Low good Cholesterol (HDL)
4. Smoking and alcohol
7. High Blood pressure
These factors can be controlled by you. Other factors like Family History, Age and Male sex, we can not do anything for that.
So try to reduce your risk factors and take your medications regularly as advised by your treating doctor.