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[Angioplasty or bypass for multitruncal coronary disease. Viewpoint of the cardiologist]
1Centre de cardiologie, Hôpital cantonal universitaire, Genève.
Insights
Percutaneous coronary intervention (PCI) and bypass surgery are options for multivessel coronary disease. While surgery is standard, PCI offers less invasive treatment with improving outcomes, necessitating future reassessment.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Background:
- Multivessel coronary disease necessitates revascularization, presenting a choice between percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG).
- PCI is less invasive with shorter hospital stays but faces challenges with chronic occlusions and restenosis rates (20-40%).
- CABG remains the standard for many but involves greater complexity and long-term graft durability issues.
Purpose of the Study:
- To review and compare outcomes of randomized and prospective studies evaluating PCI versus CABG for multivessel coronary disease.
- To inform current clinical decision-making regarding revascularization strategies.
- To highlight the need for future reassessment of treatment efficacy as PCI techniques evolve.
Main Methods:
- Review of existing randomized and prospective studies comparing percutaneous angioplasty and bypass surgery.
- Analysis of comparative data on safety, efficacy, and long-term results.
- Synthesis of current evidence for clinical decision-making.
Main Results:
- Percutaneous angioplasty is less invasive and associated with shorter hospital stays compared to bypass surgery.
- Bypass surgery remains the standard therapy for a significant proportion of patients due to limitations of PCI in certain cases.
- Restenosis and graft attrition are significant concerns for PCI and CABG, respectively.
Conclusions:
- Current comparisons of PCI and CABG provide valuable insights for immediate clinical practice.
- The evolving safety, efficacy, and long-term results of percutaneous techniques necessitate ongoing reevaluation of treatment standards.
- Future research should focus on advancements in PCI to potentially alter the current treatment paradigm for multivessel coronary disease.
Abstract:
When multivessel coronary disease requires revascularization, a choice must be made between percutaneous angioplasty and bypass surgery. Angioplasty is considerably less invasive and does not require a prolonged hospital stay. Nevertheless, it is less effective for longstanding coronary occlusions and is limited by a restenosis rate of 20 to 40% which often means a new intervention. At the present time, surgery remains the standard mode of therapy in a large proportion of patients with multivessel disease. However, the procedure is more complex than the percutaneous approach and long-term venous graft attrition remains an unresolved issue. Surgery and angioplasty have been compared in several randomized and prospective studies which are reviewed here. The results of these comparisons, while useful for current clinical decision-making, will require reassessment in the future to take into account the predictable improvements in safety, efficacy and long-term results of percutaneous techniques.