 NB: Successful PCI is defined as residual diameter stenosis 5 in all treated lesions with thrombolysis in myocardial infarction TIMI-3 flow defined as normal flow which fills the distal coronary bed completely, absence of intraprocedural chest pain or ST-segment changes lasting 10 minutes, persistent vessel closure, no re-flow, perforation, dissection or requirement for cardiopulmonary resuscitation, defibrillation, pacemaker or intra-aortic balloon implantation. 