We don't. Coronary artery disease (CAD) is not curable. It is when we form blockages in the arteries to the heart. If is often associated with blockages in other areas of the body. We can treat CAD with medicince, balloons and stents, and surgery (bypass surgery). None of these are cures. You still have the disaese. Risk factor modification is very important long term.
We don't. We can not "remove" coronary heart disease, what we can do, and we do it everyday, is to reduce the risks by stabilizing it and making it less harmful. Controlling your weight, exercising, having a healthy diet, controlling your blood pressure and cholesterol are the cornerstones of this effort.