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Optimal Management of the Post Myocardial Infarction Patient

Optimal Management of the Post Myocardial Infarction Patient. Prognosis Post MI. Mortality in the first year post MI averages 10% Subsequently mortality 5% per year 85% of deaths due to CAD 50% of these sudden 50% within first 3 months 33% within the first three weeks. b -Block.

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Optimal Management of the Post Myocardial Infarction Patient

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  1. Optimal Managementof thePost Myocardial InfarctionPatient Continuing Medical Implementation …...bridging the care gap

  2. Prognosis Post MI • Mortality in the first year post MI averages 10% • Subsequently mortality 5% per year • 85% of deaths due to CAD • 50% of these sudden • 50% within first 3 months • 33% within the first three weeks Continuing Medical Implementation …...bridging the care gap

  3. b-Block ASSENT-2 CCU GUSTO GUSTO-3 GISSI-1 Pre-CCU ISIS-2 Early Mortality After AMI Mortality at 25 - 30 Days SK SK+ASA tPA tPA & rPA tPA & TNK Continuing Medical Implementation …...bridging the care gap

  4. Risk Stratification • Historical • Clinical • ECG • Lab • Non-Invasive Testing • LV function LVEF < 40 % • Residual ischaemia • Invasive Testing • Cardiac Catheterization • EPS Continuing Medical Implementation …...bridging the care gap

  5. LV Function Determines Prognosis Continuing Medical Implementation …...bridging the care gap

  6. Age > 70 Prior myocardial infarction Female gender Hypertension History of CHF Hyperlipidemia Diabetes Race Clinical Criteria ECG Criteria Chest x-ray-cardiomegaly Markedly elevated cardiac enzymes Elevated BUN Hemodynamic Criteria Complications VSD/PMD-rupture Myocardial rupture Acute Phase Risk Stratification: Pre-infarction characteristics Continuing Medical Implementation …...bridging the care gap

  7. www.timi.tv

  8. Acute Mortality Reduction • Early Recognition of Symptoms • Pre -Hospital Resuscitation of Sudden Death • Fast-Track Protocol for Thrombolytic Therapy • Code STEMI – Direct PCI protocols • Optimal Use of Adjunctive Therapy • Monitoring for Complications • Evidence Based Risk Stratification • Appropriate Revascularization for NSTEMI Continuing Medical Implementation …...bridging the care gap

  9. Acute Phase Risk Stratification:Physical Examination • Clinical assessment of LV dysfunction • No history of CHF • No CHF with index MI • No LBBB, pacemaker or LVH with ST-T’s • Absence of Q waves-site of MI or outside index territory • 91 % predictive value of EF  40% • Killip classification • Hemodynamic classification • Mechanical complications Continuing Medical Implementation …...bridging the care gap

  10. Hypotension Pulsus alternans Reduced volume carotid LV apical enlargement/displacement Sustained apex - to S2 Soft S1 Paradoxically split S2 S3 gallop (not S4 = impaired LV compliance) Mitral regurgitation Pulmonary congestion rales Clinical Signs of LV Dysfunction Continuing Medical Implementation …...bridging the care gap

  11. Acute Phase Risk Stratification:Importance of LV dysfunction Continuing Medical Implementation …...bridging the care gap

  12. Acute Phase Risk Stratification:Importance of LV dysfunction Continuing Medical Implementation …...bridging the care gap

  13. Timing of revascularization Size of MI Extent of LV dysfunction Extent of CAD Recurrent ischaemia Mechanical complications Mitral regurgitation VSD Aneurysm Rupture Determinants of Prognosis Continuing Medical Implementation …...bridging the care gap

  14. Acute Phase Risk Stratification:Electrocardiographic features • Anterior MI/ Persisting ST elevation • Q waves in multiple leads • Non - Q MI • LVH • Reciprocal ( anterior ) ST depression • Persisting ST depression • Prolonged QT • Conduction defects/ heart block • Sinus tachycardia/atrial fibrillation Continuing Medical Implementation …...bridging the care gap

  15. Impact of Conduction Disturbances on Prognosis Continuing Medical Implementation …...bridging the care gap

  16. Post MI Management-PhasesNB: Phases compressed and abbreviated with early invasive strategies and direct PCI • Acute Evaluation Phase • CCU Phase • Hospital Phase • Pre-discharge Phase • Convalescence • Long Term Management • Secondary prevention critical to preserve acute mortality benefits Brief duration leaves little time for comprehension and education Continuing Medical Implementation …...bridging the care gap

  17. Acute Evaluation Phase ASA Plavix (NSTEMI/PCI) Glycoprotein IIB/IIIA inhibitors Heparin, LMWH Thrombolytics (STEMI,LBBB) Direct PCI IV -blocker IV NTG Complication Surveillance CHF Pericarditis Recurrent ischaemia Mechanical complication ventricular septal rupture papillary muscle dysfunction or tear LV thrombus Post MI Management-Phases Continuing Medical Implementation …...bridging the care gap

  18. Role of Echocardiography • LV function • Complications of MI • Thrombus • Aneurysm • Papillary muscle rupture/dysfunction • Septal rupture • Free wall rupture Continuing Medical Implementation …...bridging the care gap

  19. Post CCU- Early ambulation ASA -blocker ACE- inhibitor Lipid lowering usually statin Anti-coagulation Atrial fib/DVT/CHF/LVT Telemetry for arrhythmia Echo for LV function/thrombus Patient education & counseling dietary risk factors further Ix Screening for complications Risk stratification Post MI Management-Phases Continuing Medical Implementation …...bridging the care gap

  20. Guide for Cardiac Rehab and Prevention • Self contained • Comprehensive • Downloadable • Printable • Customizable • See “Cardiac Rehab” button on website www.cvtoolbox.com Continuing Medical Implementation …...bridging the care gap

  21. Cardiovascular Risk Reduction Cocktail for 2 Prevention • ASA (Plavix post ACS/PCI) • Lipid Targets • TC4.5, TG1.7, HDL1.2, LDL2.0 (1.8) TC/HDL  4 (3) • ACE inhibitor • Ramipril 2.510 mg • Perindopril 28 mg • Trandolapril 14 mg • Beta-blocker for post- MI or LV dysfunction Continuing Medical Implementation …...bridging the care gap

  22. Potential Cumulative Impact of 2° Prevention Treatments CUMULATIVE BENEFITS ARE LIKELY TO BE IN EXCESS OF 78% RRR, WHICH IS SUBSTANTIAL Continuing Medical Implementation …...bridging the care gap Adapted from Yusuf, S. Two decades of progress in preventing vascular disease. Lancet 2002; 360: 2-3.

  23. At what level can we have the greatest impact? Interventions-Revascularization-Devices-Procedures 4º Specialist/Cardiologist-Invasive Dx/Tx-Monitoring/Rehab/Reinforcement 2º & 3º Risk Stratification-Rx Optimization/ Adherence-FD & Specialist 1º & 2º Recognition-Screening-Initial Therapy- Family MD Primary Care Physician Community Based Awareness/Understanding Prevention Awareness Programs/PHN Continuing Medical Implementation …...bridging the care gap

  24. Post MI Management:Pre-discharge TMT • Value of pre-discharge stress test • useful to identify those at risk for an early event ( UAP, recurrent MI, arrhythmia, sudden death) • low level < 6 METS, 70 % MPHR or symptom limited • Predictors of poor outcome • ischaemic ST depression > 1 mm is inconsistent predictor of mortality • poor exercise tolerance < 3 minutes doubles 1 year mortality ( 7% to14%) • inability to exercise or contra-indication to TMT identifies High Risk patient. Continuing Medical Implementation …...bridging the care gap

  25. Post MI Management-Phases:Convalescence At time of discharge patient should be on: • ASA unless contra-indication • Plavix if PCI/NSTEMI (duration minimum1 year) • Longer duration of Plavix if DES in critical location or complex lesion • -blocker unless contra-indication • Ace inhibitor for CHF or LV dysfunction • All for vascular protection? • Statin for LDL to < 2.0 mmol/L (minimum 50% reduction) Continuing Medical Implementation …...bridging the care gap

  26. Post MI Management-Phases:Convalescence Late Risk Stratification - 4 to 8 weeks (Assessment of residual ischaemia) • TMT • Stress Nuclear Perfusion Study • uninterpretable ECG • Equivocal TMT • Persantine Nuclear Perfusion Study • inability to exercise • LBBB • NB!!! Contra-indicated in asthma Continuing Medical Implementation …...bridging the care gap

  27. High Risk extensive ECG changes anterior/ infero-posterior/ prior MI Prior MI Residual ischaemia post MI angina positive TMT/ perfusion scan non-Q MI ischaemia at a distance Complicated MI CHF/ flash pulmonary edema shock heart block RBBB sustained ventricular arrhythmias Anxiety/ physical labor/ young age Indications for AngiographyNB: In interventional environment many patients undergo early angiography Continuing Medical Implementation …...bridging the care gap

  28. http://www.timi.org/ Continuing Medical Implementation …...bridging the care gap

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