In 1977, the first coronary angioplasty was carried out, marking a breakthrough in interventional cardiology. More than 40 years on, what progress have we made and how has angioplasty evolved to help more high-risk patients? Consultant cardiologists Dato' Dr Tamil Selvan Muthusamy and Datuk Dr Rosli Mohd Ali from Cardiac Vascular Sentral KL, share their vast experience in this area of interventional cardiology.