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Toronto STEMI Project. 24/7 Primary PCI in the GTA. GENERAL BACKGROUND.
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Toronto STEMI Project 24/7 Primary PCI in the GTA
GENERAL BACKGROUND • Centres offering PCI 24/7 (St. Michael’s Hospital, Sunnybrook and UHN), Toronto EMSand hospitals across the GTA have agreed to improve and optimize existing emergent interventional services by joining forces to provide a ‘guaranteed accept’ 24/7 service within the city of Toronto boundaries for heart attack patients who will benefit most from an emergency angioplasty • Other hospitals in Toronto EMS catchment area may also take part by either referring patients to PCI centres and repatriating patients or by providing angioplasty where available • Heart Attack Committee formed January 2007 - focused on developing a model and generating buy-in from participating organizations and other stakeholders • EMS advanced life support paramedics will use 12-lead ECGs to identify STEMI patients in pre-hospital setting, and will bring those patients directly to a PCI centre to enable a 90-minute door-to-balloon time. These patients will go directly to the Cath Lab, seen in the PCI centre's ER only if unstable despite pre-hospital treatment • Where applicable, following PCI, stable patients will be transferred back to their local hospital within 24 hours of procedure
GEOGRAPHICAL AREA • Steeles to the North • Etobicoke Creek/Hwy 427 to the West • East to Rouge Valley; and South to the Lake • Anticipated total STEMIs within boundary: 1,200 a year based on data extrapolated from the Ottawa experience and population data from City of Toronto
CLINICAL BACKGROUND • Timely reperfusion of STEMI patients improves short and long-term survival and has become the mainstay of therapy in this setting • As an alternative to primary PCI, patients are given thrombolytic pharmacotherapy • numerous studies and analysesshow that PCI achieves better outcomes, with much lower risk of intracerebral hemorrhaqe • Primary PCI to be of benefit when the door to balloon time in the range of 60 to 90 minutes. Subsequent data from large registries have indicated, the actual door-to-balloon time is considerably longer than these optimal clinical trial times • Recent analysis of a large US National Registry of Myocardial Infarction (NRMI) indicates that the benefit of primary PCI relative to thrombolysis is not related just to PCI-related delay, but also by patient characteristics
CLINICAL BACKGROUNDcontinued • Figure 1 • relationship between patient age, infarct location and the time from symptom onset to presentation • apparent that mode of reperfusion therapy needs to be taylored to individual patient, based on all parameters, not just door-to-balloon time.
TORONTO’S SITUATION • Majority of emergeny cath lab procedures for STEMIs occur when thrombolytic therapy fails • Provision of emergent interventional cardiology care in Toronto has three major challenges: • frequent shortage of critical care beds at all institutions with interventional cardiology programs • lack of an efficient and timely transport system to transfer patients to PCI centres • current lack of an organized and efficient 24/7 primary PCI service in the region
Toronto STEMI Project: The Challenges
TRANSPORATION SYSTEM • Current EMS is equipped with very few critical care trained paramedic units needed to handle possible emergencies during transport • Majority of units not available to transport patients with STEMI from community hospitals unless a physician provides advanced care during transport • rarely occurs in Toronto - on-call cardiologist in the community hospital is responsible for many other patients
CARDIAC INTENSIVE CARE BED CAPACITY • Shortage of critical care beds to accept a patient with a STEMI • Shortage of nurses to care adequately and safely for extra patient(s) • Result: physicians in community hospitals must commonly contact as many as four tertiary centres and still may not find a bed and thus timely care
Toronto STEMI Project: The Benefits
COLLABORTATION • the STEMI program is a coordinated effort, which will improve the integration of care with EMS, referring hospitals and PCI facilities • Need to ensure efficient flow of patients from hospitals without PCI capability to PCI centres and vice versa
SAVING LIVES • The STEMI initiative optimizes door to balloon time, which may decrease: • co-morbidities • reduce complications • limit the need for prolonged hospital stays and readmissions
SUCCESS STORIES • Well-studied and recommended process of care that benefits patients and practitioners • Most recently, an article about Ottawa Heart Institute’s usage of the protocol was published in the January 2008 issue of the New England Journal of Medicine
FOR MORE INFORMATION www.stemitoronto.ca • Project Overview • List of Partners • Resources - detailed PowerPoint - models of reference (Ottawa Heart; Mayo Clinic) • Upcoming Events / News • Tools - canned ppt - Q&A - Community Consultation Plan • Contact Information for questions/feedback