Myocardial Ischaemia National Audit Project - University College ...

Figure 11. Percentage of patients with an admission diagnosisof STEMI having primary PCI within 90 minutes of arrival at theHeart Attack Centre in England Wales and Belfast%100908070605040302010052.22004-553.42005-672.42006-7The median time is 42 minutes in 2011/12; for 28% theinterval is less than 30 minutes and for 72% the interval isless than 60 minutes.79.22007-8Years84.32008-9882009-1089.92010-1191.62011-122.2 Call to balloon timeAs explained above, this reflects the interval from a call forprofessional help to the time that the primary PCI procedure isperformed. It is largely a shared responsibility of the relevantambulance service and the admitting hospital. Usually allpatients with a diagnosis of STEMI confirmed by a paramediccrew are taken directly to a Heart Attack Centre. This howeveris not always possible, particularly where there is diagnosticuncertainty, or in remoter parts of the country.In England, 83% of all eligible patients were treated within150 minutes of calling for professional help compared to 81%in 2010/11. In Wales 78% of patients were treated within 150minutes compared to 75% in 2010/11. In Belfast 88% of patientswere treated within 150 minutes compared to 91% in 2010/11.This year for the first time we report on the proportionof patients who received primary PCI within 120 minutesof calling for help. In England, 62% of patients receivedprimary PCI within 120 minutes of calling for professionalhelp compared to 59% in 2010/11. Similar improvement wasobserved in Wales where 59% in 2011/12 and 46% in 2010/11,and in Belfast where 84% compared to 72% in 2010/11,reached call-to-balloon within 120 minutesIn England, 89% of patients taken directly to the Heart AttackCentre were treated with primary PCI within 150 minutes ofMINAP Eleventh Public Report 201221