A Practical Approach to Left Main Coronary Artery Disease: JACC State-of-the-Art Review
Laura J Davidson1, Joseph C Cleveland2, Frederick G Welt3
1Divisions of Cardiology and Cardiac Surgery, Northwestern University, Chicago, Illinois, USA.
Insights
Treating left main coronary artery disease (CAD) is complex. A heart team approach, considering patient specifics and evidence, is recommended for optimal treatment decisions involving medical therapy, PCI, or CABG.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Cardiac Surgery
Background:
- Left main (LM) coronary artery disease (CAD) presents complex treatment challenges.
- Existing clinical practice guidelines offer general guidance, but individual patient decisions remain difficult.
Purpose of the Study:
- To develop a practical, evidence-based approach for treating LM CAD.
- To provide a treatment algorithm integrating medical therapy, percutaneous coronary intervention (PCI), and coronary artery bypass grafting (CABG).
Main Methods:
- Review of randomized clinical trials, meta-analyses, and clinical practice guidelines.
- Development of a treatment algorithm for LM CAD, considering anatomical and physiological presentations.
- Emphasis on a heart team approach incorporating clinical, procedural, operator, and institutional factors.
Main Results:
- LM CAD often presents with multivessel disease, complicating treatment.
- A proposed algorithm suggests medical therapy alone or combined with PCI or CABG.
- A heart team approach with shared decision-making is recommended.
Conclusions:
- A multidisciplinary heart team approach is crucial for optimal LM CAD management.
- Shared decision-making, tailored to patient needs and clinical context, is essential.
- The proposed algorithm aids in navigating complex LM CAD treatment decisions.
Abstract:
The treatment of left main (LM) coronary artery disease (CAD) requires complex decision-making. Recent clinical practice guidelines provide clinicians with guidance; however, decisions regarding treatment for individual patients can still be difficult. The American College of Cardiology's Cardiac Surgery Team and Interventional Council joined together to develop a practical approach to the treatment of LM CAD, taking into account randomized clinical trial, meta-analyses, and clinical practice guidelines. The various presentations of LM CAD based on anatomy and physiology are presented. Recognizing the complexity of LM CAD, which rarely presents isolated and is often in combination with multivessel disease, a treatment algorithm with medical therapy alone or in conjunction with percutaneous coronary intervention or coronary artery bypass grafting is proposed. A heart team approach is recommended that accounts for clinical, procedural, operator, and institutional factors, and features shared decision-making that meets the needs and preferences of each patient and their specific clinical situation.
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