Hi, Thanks for writing to Health Care Magic, I am Dr Asad Riaz, I have closely read your question and I understand your concerns, I will hereby guide you regarding your health related problem. if patient have heart attack then he need to give Antioschemic throughout his life to avoid further damage to heart n so heart ca work proper , like med B blocker, ACEI etc improve mortality n this is good too for this patien , even after angioplasty or CABG patient need med for whole life some med are use for some tym like clopodogel etc ... so no alternative option to avoid such meds .. just give more courage n counsel to ur father be complaint with med so he can avoid future complication like heart failure I hope this answered your question, if you have more feel free to ask. Regards. Dr.Asad Riaz. General and Family Physician..