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PPCI - it’s 24/7 or not at all? Dr JIM HALL CONSULTANT CARDIOLOGIST JAMES COOK UNIVERSITY HOSPITAL MIDDLESBROUGH
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NO CONFLICT OF INTEREST TO DECLARE
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PPCI Is it justifiable to have a system that includes treating STEMI patients with PPCI in some units ‘when available’ e.g. 9-5 Mon-Fri and not uniformly in a Heart Attack Centre where PPCI is available ‘all the time’ (24/7) ? S n
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PPCI Is it justifiable to have a system that includes treating STEMI patients with PPCI in some units ‘when available’ e.g. 9-5 Mon-Fri and not uniformly in a Heart Attack Centre where PPCI is available ‘all the time’ (24/7) ? Systems with part-time PPCI produce inferior patient outcomes
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PPCI Is it justifiable to have a system that includes treating STEMI patients with PPCI in some units ‘when available’ e.g. 9-5 Mon-Fri and not uniformly in a Heart Attack Centre where PPCI is available ‘all the time’ (24/7) ? Systems with part-time PPCI produce inferior patient outcomes Not justifiable in England in 2009
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PPCI 24/7 – the key issues PROCESS EFFICIENCY INSTITUTIONAL COMPETENCE TRANSPORT TIMES
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PPCI 24/7 – key issue PROCESS EFFICIENCY
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ST ELEVATION ACUTE MYOCARDIAL INFARCTION STEMI EFFECTIVE PATHWAY FOR STEMI PATIENTS RIGHT PATIENT RIGHT PLACE RIGHT TIME
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EFFECTIVE PATHWAY FOR STEMI PATIENTS RIGHT TIME? AS SOON AS POSSIBLE ISCHAEMIC TIME onset to call call to diagnosis diagnosis to PCI facility = drive timeC2B PCI facility to balloon = D2B
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EFFECTIVE PATHWAY FOR STEMI PATIENTS SYSTEM DESIGN Understand the steps in the process Simplify the system Set your metrics Monitor Modernisation Agency: Improving flow www.modern.nhs.ukwww.modern.nhs.uk
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Pre Hospital Barn door STEMI No significant co-morbidities A&E & AAU Barn door STEMI No significant co-morbidities Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred directly to Cath Labs from Ambulance/ A&E / AAU/CCU/Wards STEMI / PPCI PATHWAY Wards Barn door STEMI No significant co-morbidities Contact Cardiologist on call and Cath Lab team Contact Cath Lab Co-ordinator and interventionist in Cath Lab
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Pre Hospital Barn door STEMI No significant co-morbidities A&E & AAU Barn door STEMI No significant co-morbidities Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred directly to Cath Labs from Ambulance/ A&E / AAU/CCU/Wards STEMI / PPCI PATHWAY Wards Barn door STEMI No significant co-morbidities Contact Cardiologist on call and Cath Lab team Contact Cath Lab Co-ordinator and interventionist in Cath Lab SINGLE POINT OF CONTACT DIRECT TO CATH LAB
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REMOVING A STEP - IMPACT ON PPCI D2B TIMES CCU nurse initiation SpR initiation
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Pre Hospital Barn door STEMI No significant co-morbidities A&E & AAU Barn door STEMI No significant co-morbidities Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred directly to Cath Labs from Ambulance/ A&E / AAU/CCU/Wards STEMI / PPCI PATHWAY 24/7 HAC Wards Barn door STEMI No significant co-morbidities Contact Cardiologist on call and Cath Lab team Contact Cath Lab Co-ordinator and interventionist in Cath Lab
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Pre Hospital STEMI A&E & AAU STEMI Patient transferred to Heart Attack Centre Cath Lab STEMI / PPCI PATHWAY 24/7 HAC + 9-5 DGH Wards STEMI C ontact DGH Cath Lab Co-ordinator and speak to interventionist in Cath Lab 9 am – 5pm / Mon – Fri 5pm – 9am / Weekends Contact Cardiologist on Call Switchboard contacts on call Cath Lab team Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred to DGH Cath Lab if lab available
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Pre Hospital STEMI A&E & AAU STEMI Patient transferred to Heart Attack Centre Cath Lab STEMI / PPCI PATHWAY 24/7 HAC + 9-5 DGH Wards STEMI C ontact DGH Cath Lab Co-ordinator and speak to interventionist in Cath Lab 9 am – 5pm / Mon – Fri 5pm – 9am / Weekends Contact Cardiologist on Call Switchboard contacts on call Cath Lab team Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred to DGH Cath Lab if lab available <25% of STEMI
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Pre Hospital STEMI A&E & AAU STEMI Patient transferred to Heart Attack Centre Cath Lab STEMI / PPCI PATHWAY 24/7 HAC + 9-5 DGH Wards STEMI C ontact DGH Cath Lab Co-ordinator and speak to interventionist in Cath Lab 9 am – 5pm / Mon – Fri 5pm – 9am / Weekends Contact Cardiologist on Call Switchboard contacts on call Cath Lab team Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred to DGH Cath Lab if lab available INEVITABLE CONFUSION AND DELAY
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Pre Hospital STEMI A&E & AAU STEMI Patient transferred to Heart Attack Centre Cath Lab STEMI / PPCI PATHWAY 24/7 HAC + 9-5 DGH Wards STEMI C ontact DGH Cath Lab Co-ordinator and speak to interventionist in Cath Lab 9 am – 5pm / Mon – Fri 5pm – 9am / Weekends Contact Cardiologist on Call Switchboard contacts on call Cath Lab team Contact CCU Co-ordinator External: 282618 (ambulance) Internal: 54801/53624/52458 Fax ECG: 282615 Patient transferred to DGH Cath Lab if lab available 100% of STEMI INEVITABLE CONFUSION AND DELAY
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Effect of Part-time PPCI NRMI-4 2000-2002 mixed system v PPCI 88% PPCI mortality PPCI DTB Nallamothu et al Circ 2006;113:222-229
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Effect of Part-time PPCI NRMI-4 2000-2002 mixed system v PPCI 88% PPCI mortality 0.64 (0.46 – 0.88) PPCI DTB 118 99 Nallamothu et al Circ 2006;113:222-229
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PPCI 24/7 – key issue INSTITUTIONAL COMPETENCE
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INSTITUTIONAL EXPERIENCE ALKK database 2003 6268 PPCI 67 hospitals Annual institutional PPCI volume and outcome mortality Zhan et al Heart 2008;94:329-335
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INSTITUTIONAL EXPERIENCE ALKK database 2003 6268 PPCI 67 hospitals Annual institutional PPCI volume and outcome lowest quartile v highest quartile 300 mortality Zhan et al Heart 2008;94:329-335
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INSTITUTIONAL EXPERIENCE ALKK database 2003 6268 PPCI 67 hospitals Annual institutional PPCI volume and outcome lowest quartile v highest quartile 300 mortality 7.7% 4.8% Zhan et al Heart 2008;94:329-335
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INSTITUTIONAL EXPERIENCE ALKK database 2003 6268 PPCI 67 hospitals Annual institutional PPCI volume and outcome lowest quartile v highest quartile 300 mortality 7.7% 4.8% more contrast longer flouro less TIMI 3 Zhan et al Heart 2008;94:329-335
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INSTITUTIONAL EXPERIENCE NRMI database 1994 - 1998 IABP for cardiogenic shock lowest tercile v highest tercile IABP/yr mortality Chen et al Circ 2003;108:951-7
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INSTITUTIONAL EXPERIENCE NRMI database 1994 - 1998 IABP for cardiogenic shock lowest tercile v highest tercile IABP/yr 3.4 37.4 mortality Chen et al Circ 2003;108:951-7
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INSTITUTIONAL EXPERIENCE NRMI database 1994 - 1998 IABP for cardiogenic shock lowest tercile v highest tercile IABP/yr 3.4 37.4 mortality 65 50 p<0.001 Chen et al Circ 2003;108:951-7
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JCUH database 2005-8 725 PPCIs IABP10% VENTILATION3% SHOCK 8%
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PPCI 24/7 – key issue TRANSPORT TIMES
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TRADE-OFFS DOWNSIDE OF TRANSFER TO 24/7 HEART ATTACK CENTRE –INCREASED ISCHAEMIA TIME mortality increase ~ 1%/hr drive time m
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EFFECTIVE PATHWAY FOR STEMI PATIENTS STEADY DECLINE IN EFFICACY ~ 1% MORTALITY/HR deLuca et al Circ 2004:109;1223-25
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TRADE-OFFS DOWNSIDE OF TRANSFER TO HEART ATTACK CENTRE –INCREASED ISCHAEMIA/DRIVE TIME mortality increase ~ 1%/hr drive time DOWNSIDE OF LOCAL DELIVERY –DECREASED INSTITUTIONAL VOLUME mortality increase ~ 3% LOW v HIGH
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Trade-off: drive time - institutional volume High Low INSITUTIONAL PPCI VOLUME ISOMORTALITY BREAK-EVEN LINE DRIVE TIME 3% ACCEPTABLE DRIVE TIMES
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Trade-off: drive time - institutional volume High Low INSITUTIONAL PPCI VOLUME ISOMORTALITY BREAK-EVEN LINE DRIVE TIME 3% ACCEPTABLE DRIVE TIMES ACCEPTABLE DRIVE TIMES PROCESS DELAY
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Part time PPCI (9-5) Justifiable if >3 hour drive time to HAC or > 1 hour drive time to HAC + zero process delay + 9 - 5 volume ~200/yr (requires >1M pop n )
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Part time PPCI (9-5) Justifiable if >3 hour drive time to HAC or > 1 hour drive time to HAC + zero process delay + 9 - 5 volume ~200/yr (requires >1M pop n ) not applicable to England in 2009
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PPCI - it’s 24/7 or not at all!
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