[Clinical practice guidelines of the Spanish Society of Cardiology on unstable angina/infarction without ST
L López Bescós1, A Fernández-Ortiz, H Bueno Zamora
1Servicio de Cardiología, Fundación Hospital Alcorcón, Madrid. llopez@fhalcorcon.es
Insights
Updated guidelines for unstable angina and non-ST elevation myocardial infarction emphasize early intervention. Prompt diagnosis and treatment in pre-hospital and emergency settings improve outcomes for cardiac ischemia patients.
Area of Science:
- Cardiology
- Emergency Medicine
Context:
- Clinical guidelines for unstable angina/non-ST elevation myocardial infarction require updating.
- Early management phases show increased efficacy.
Purpose:
- To update the Spanish Society of Cardiology's Clinical Guidelines.
- Incorporate recommendations for pre-hospital and emergency department phases.
Summary:
- Prehospital: Transfer patients with chest pain to hospital rapidly for ECG; administer rest, nitroglycerin, and aspirin.
- Emergency Department: Immediate attention, defibrillator access. ST-elevation requires immediate reperfusion. Non-ST elevation necessitates ischemia probability and risk factor evaluation.
- Risk Stratification: Classifies patients for admission (Coronary Care Unit, Cardiology ward, or ambulatory) based on risk factors.
- Coronary Care Unit: Routine ECG monitoring, analgesia, antithrombotic/anti-ischemic therapy (including new indications for GP IIb/IIIa inhibitors and low molecular weight heparins).
- Coronary Arteriography/Revascularization: Recommended for refractory/recurrent angina, left ventricular dysfunction, or complications.
- Ward Management: Focuses on chronic medical treatment, risk stratification, and secondary prevention.
- Discharge Planning: Consider coronary arteriography based on non-invasive test results.
Impact:
- Provides updated clinical guidance for managing unstable angina and non-ST elevation myocardial infarction.
- Integrates pre-hospital and emergency care into management protocols.
- Emphasizes risk stratification for appropriate patient disposition and treatment intensity.
Abstract:
This paper up-dates the Clinical Guidelines for Unstable Angina/Non Q wave Myocardial Infarction of the Spanish Society of Cardiology. Due to the increased efficacy of adequate management in the early phases, it has been considered necessary to include recommendations for the pre Hospital and Emergency department phase. Prehospital management. Patients with thoracic pain compatible with myocardial ischemia should be transferred to Hospital as quickly as possible and an ECG tracing performed. Initial management includes rest, sublingual nitroglycerin and aspirin. In the Emergency department. Immediate clinical attention and accessibility to a defibrillator should be available. If ECG tracing discloses ST elevation reperfusion strategy is to be implemented immediately. If no ST elevation is present, the probability of myocardial ischemia and risk factor evaluation is essential for adequate management. A simplified risk stratification classification is presented, that also determines the most adequate site for admission: Coronary Care Unit if high risk factors are present, Cardiology ward for the intermediate risk patient and ambulatory treatment if low risk. Management in Coronary Care Unit. Includes routine ECG monitoring and analgesia. Antithrombotic and anti ischemic treatment include new indication for GP IIb-IIIa and Low molecular weight heparins. Coronary arteriography and revascularisation are recommended, if refractory or recurrent angina, left ventricles dysfunction or other complications are present. Management in the ward is based on adequate chronic medical treatment, risk stratification, and secondary prevention strategy. Coronary arteriography before discharge must be considered in the light of the result of non-invasive tests.
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