Risk stratification in acute coronary syndromes
Gabriele Pesarini1, Francesco Santini, Giulia Geremia
1Department of Medicine, University of Verona, Verona, Italy.
Insights
Current acute coronary syndrome (ACS) management combines risk stratification and antithrombotic therapy. Early invasive strategies, including angiography and percutaneous coronary intervention (PCI), offer significant benefits for most patients, regardless of risk level.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiovascular Medicine
Background:
- Effective risk stratification systems and antithrombotic agents are crucial for managing acute coronary syndrome (ACS) patients.
- Classical anti-ischemic drugs complement modern antithrombotic therapies in CCU settings.
- Knowledge of coronary anatomy is paramount for interventionalists to guide appropriate treatment strategies.
Purpose of the Study:
- To highlight the benefits of early angiography and invasive strategies in managing ACS patients.
- To discuss the role of percutaneous coronary intervention (PCI) and cardiac surgery in ACS treatment.
- To address the evolving treatment strategies for ST-elevation myocardial infarction (STEMI) versus non-ST-elevation myocardial infarction (NSTEMI).
Main Methods:
- Review of current noninvasive and invasive management approaches for ACS.
- Emphasis on the timing and benefits of coronary angiography.
- Discussion of percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) indications.
Main Results:
- Early angiography benefits moderate to high-risk ACS patients; invasive approaches can reduce costs and length of stay even in low-risk patients when performed by expert teams.
- Cardiac surgery is a life-saving option for NSTEMI patients with cardiogenic shock, mechanical complications, or failed PCI.
- Complete myocardial revascularization via CABG may benefit stabilized patients with severe multivessel disease.
Conclusions:
- Modern ACS management relies on robust risk stratification, antithrombotic therapy, and timely invasive interventions.
- The distinction between STEMI and NSTEMI treatment strategies is diminishing with new evidence.
- Multidisciplinary 'heart team' evaluation is essential for complex revascularization decisions, including CABG.
Abstract:
Accurate and readily available systems for risk stratification and a wide array of antithrombotic agents, on top of classical anti-ischemic drugs, provide the noninvasive cardiologist admitting the patient in the CCU with an effective and reliable armamentarium for the safe management of most patients with ACS. From the interventionalist's perspective, the immediate knowledge of the coronary anatomy yields the most valuable information to address the most appropriate treatment. The sooner angiography is performed the higher the benefit for patients at moderate to high risk, but if performed by expert teams and with the correct use of modern drugs and devices, the invasive approach has the potential to reduce costs and length of hospital stay also in low-risk patients. Although still some reluctance remains to equalize treatment strategies for patients with STEMI to those with NSTEMI, such differences will likely disappear in the near future with upcoming new evidence. Cardiac surgery may represent a life-saving alternative for patients presenting with NSTEMI evolving in cardiogenic shock or with mechanical complications, or in patients unsuitable for PCI or with failed PCI attempts. In stabilized conditions after the treatment of the culprit lesion, patients with severe multivessel disease may benefit from cardiac surgery to complete myocardial revascularization. Indications for CABG in this setting should be evaluated in the context of a local "heart team" or through prespecified protocols in centers without cardiac surgery on site.
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