Management of Non-Fatal Myocardial Infarction and Non-Fatal Stroke

Pharmacological Management

• Aspirin 75-150 mg daily indefinitely is recommended to reduce mortality and prevent recurrent cardiovascular events, reducing 36 vascular events and 14 deaths per 1000 patients treated over 27 months, as recommended by the European Society of Cardiology 1
• Clopidogrel 75 mg daily for at least 9-12 months in combination with aspirin (75-100 mg) is recommended based on the CURE study results, as suggested by the European Society of Cardiology 1
• Beta-blockers, ACE inhibitors (especially in patients with left ventricular dysfunction), and high-intensity statins should be initiated and continued indefinitely after an acute coronary syndrome, as recommended by the American College of Cardiology and the European Society of Cardiology 1, 2
• High-intensity statin therapy should be started without delay, with a goal of LDL-C < 70 mg/dL or a reduction of at least 50% if the baseline value is between 70-135 mg/dL, as recommended by the European Society of Cardiology 1
• Dual antiplatelet therapy, including aspirin (75-100 mg daily) and a potent P2Y12 inhibitor (prasugrel or ticagrelor), or clopidogrel if these are unavailable, for at least 12 months is recommended by the European Society of Cardiology 3
• Metoprolol IV: three 5 mg boluses at 2-minute intervals if hemodynamically stable, followed by oral metoprolol 50 mg every 6 hours for 48 hours, then 100 mg twice daily, is recommended for patients with myocardial infarction, as suggested by the American College of Cardiology 4
• ACE inhibitors should be started within 24 hours in patients with anterior infarction, heart failure, or LV dysfunction, as recommended by the American College of Cardiology 4
• Statins: high-intensity statin therapy should be started as early as possible, with a target LDL-C <1.8 mmol/L (70 mg/dL) or a reduction of at least 50% if baseline is between 1.8-3.5 mmol/L, as recommended by the American Heart Association 4, 3

Risk Factor Management

• Control of blood pressure to < 140 mmHg systolic is recommended, as suggested by the American College of Cardiology 2
• Smoking cessation with repeated counseling, support, and pharmacological aids is recommended, as suggested by the American College of Cardiology 2
• Control of diabetes with a goal HbA1c < 7% is recommended, as suggested by the American College of Cardiology 2
• Weight management with a goal BMI of 18.5-24.9 kg/m² is recommended, as suggested by the American College of Cardiology 2
• At least 30 minutes of physical activity 3-4 days a week is recommended, as suggested by the American College of Cardiology 2

Rehabilitation and Secondary Prevention

• Participation in cardiac rehabilitation programs is strongly recommended, as stated by the American College of Cardiology 2
• Cardiac rehabilitation/secondary prevention programs are recommended for patients with myocardial infarction, particularly those with multiple modifiable risk factors, as recommended by the American College of Cardiology 2
• Assessment of residual ischemia and viability using exercise stress testing, imaging studies (stress echocardiography, nuclear perfusion imaging), and coronary angiography for high-risk patients is recommended by the American College of Cardiology 5, 4, 6
• Aggressive management of acute complications, including heart failure, cardiogenic shock, and arrhythmias, is crucial, as suggested by the European Heart Journal 5
• ECG monitoring for at least 24-48 hours is recommended to monitor for arrhythmias, heart block, and signs of heart failure or cardiogenic shock, as suggested by the American College of Cardiology 4
• Echocardiographic evaluation is valuable for prognosis and detecting complications, such as left ventricular function, regional wall motion abnormalities, and mechanical complications, as noted by the European Heart Journal 4
• Intra-aortic balloon counterpulsation (IABP) should be used when shock is not quickly reversed with pharmacological therapy, and early revascularization (PCI or CABG) should be considered for patients <75 years old who develop shock within 36 hours of MI, as recommended by the American College of Cardiology 2

Acute Management

• Immediate ECG is recommended to detect ST-segment elevation or new LBBB, and serial cardiac troponin measurements to confirm diagnosis, as suggested by the American College of Cardiology 4
• Urgent coronary angiography is recommended to identify culprit lesion, according to the American College of Cardiology 4
• Administer aspirin 160-325 mg orally, and consider sublingual nitroglycerin if systolic BP >90 mmHg and heart rate 50-100 bpm, as part of the initial management, as suggested by the American College of Cardiology 4
• Primary percutaneous coronary intervention (PCI) is preferred if it can be performed within 90 minutes of first medical contact and is available at a skilled facility, with a target "door-to-balloon" time ≤90 minutes, as recommended by the European Society of Cardiology 4
• Fibrinolytic therapy is recommended if PCI is not available within 90 minutes, with a target "door-to-needle" time ≤30 minutes, and can be administered within 12 hours of symptom onset (greatest benefit within first hour), as suggested by the European Society of Cardiology 4
• Oxygen supplementation to maintain arterial saturation >90% is recommended for patients with heart failure or pulmonary congestion, as suggested by the European Society of Cardiology 2
• Diuretics (furosemide) should be used for volume overload, and ACE inhibitors should be started within 24 hours for patients with heart failure, LV dysfunction, diabetes, or anterior infarct, as recommended by the American College of Cardiology and the European Society of Cardiology 3, 2

Long-term Management

• Regular follow-up and monitoring are essential to improve long-term outcomes, and poor adherence to medication regimens is associated with worse outcomes, as noted by the American Heart Association 3
• Consider fixed-dose combination therapy to improve adherence, and prophylactic doses of low-molecular-weight heparin should be used for patients at risk (prolonged bed rest), as suggested by the American Heart Association 3, 4
• Blood pressure control with target <140 mmHg systolic (consider <120 mmHg for very high-risk patients who tolerate multiple medications) is recommended, as suggested by the American College of Cardiology 3
• Smoking cessation with repeated advice, support, and pharmacological aids (nicotine replacement, varenicline, bupropion) is recommended, as suggested by the American College of Cardiology 3