53 Yr old patient had inferior wall myocardial infarction on 21 Aug 2004,had 4 vessel disease,underwent CABG on 8,sept 2004.LVEF 45%. He has right indirect inguinal hernia.What is ideal surgery for him and how much is the risk for general anaesthia ? He is on clopidogrel 75 mg OD,atorvastatin 10mg OD,ramipril 5mg OD,spironolactone 25mg OD,carvedilol 12.5mg BD.