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[Unstable angina: the point of view of the surgeon]
L Chiariello1, A Penta de Peppo, M D Pierri
1Cattedra di Cardiochirurgia, Università degli Studi Tor Vergata, Roma.
Insights
Unstable angina requires careful management. Initial treatment focuses on medical therapy, with revascularization reserved for non-responsive cases, considering vessel disease extent and patient factors.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Context:
- Unstable angina presents a significant risk for acute coronary events.
- Coronary revascularization offers benefits but entails higher operative risks compared to stable angina.
- Optimal management strategies for unstable angina are continually evolving.
Purpose:
- To outline the treatment pathways for unstable angina.
- To compare the efficacy and risks of medical therapy versus revascularization.
- To delineate optimal revascularization strategies based on coronary anatomy and patient stability.
Summary:
- Unstable angina management prioritizes medical therapy with anti-ischemic agents.
- Revascularization is indicated for medically refractory cases, with angioplasty favored for single/double vessel disease and bypass for multivessel disease.
- Surgical revascularization for specific proximal left anterior descending stenosis is effective, and a staged approach (angioplasty then bypass) may benefit select multivessel disease patients.
Impact:
- Informs clinical decision-making for unstable angina patients.
- Highlights the importance of tailored revascularization strategies.
- Contributes to improved outcomes in high-risk cardiac patients.
Abstract:
Unstable angina is a serious condition with high risk of early coronary events; coronary revascularization in these patients gives good results but carries higher operative risk than in stable angina patients. Full medical therapy with antiischemic agents may be effective in controlling symptoms and preventing death and is therefore the first treatment of choice; as in stable angina, further treatment is indicated in stabilized patients according to non invasive tests results and coronary angiograms. Non responsive unstable patients have a poor outcome and are candidates for revascularization: angioplasty may be preferred in single or double vessel disease and bypass operation in multivessel disease. However, surgical revascularization in single and double vessel disease with critical proximal stenosis of a large anterior descending gives optimal results in our experience and may be the treatment of choice also in these patients. Because of the higher operative risk in multivessel disease in unstable ischemia, a combined procedure with angioplasty of the "culprit" lesion followed by full revascularization at a later time may be a more favourable option in some patients with multivessel disease.