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Contemporary coronary intervention in bifurcation lesions--two-year follow-up in an unselected cohort
Dariusz Dudek1, Jacek Legutko, Paweł Zymek
12nd Department of Cardiology, Institute of Cardiology, Jagiellonian University College of Medicine, Crakow, Poland. mcdudek@cyf-kr.edu.pl
Insights
Percutaneous coronary intervention for bifurcation lesions is achievable with current techniques, showing good acute results. However, long-term outcomes reveal a significant rate of major adverse cardiac events, indicating ongoing challenges.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
Background:
- Coronary artery bifurcation lesions pose significant challenges for percutaneous revascularization.
- Optimizing angioplasty techniques for these complex lesions is crucial for improving patient outcomes.
Purpose of the Study:
- To evaluate the procedural success, complications, and 2-year clinical outcomes of percutaneous transluminal coronary angioplasty (PTCA) in bifurcation lesions.
- To assess the feasibility of achieving optimal immediate results in complex coronary bifurcation interventions.
Main Methods:
- A prospective evaluation of 45 patients undergoing PTCA for bifurcation lesions.
- Assessment included angiographic success, in-hospital complications, and 2-year follow-up for target vessel revascularization and major adverse cardiac events (MACE).
Main Results:
- High angiographic success rates were achieved: 100% in parent vessels and 84.4% in both vessels.
- Acute complications were low, with 6.6% non-Q-wave myocardial infarction and 2.2% requiring emergency PTCA, leading to 91.2% clinical success.
- At 2 years, 3 cardiac deaths occurred, target revascularization was 20%, and MACE reached 37.8%.
Conclusions:
- Percutaneous angioplasty of coronary bifurcation lesions is feasible, yielding high angiographic success and low acute complication rates.
- Despite advancements, the 2-year incidence of MACE remains substantial, highlighting the persistent challenge of managing bifurcation lesions.
- Contemporary intervention methods and GPIIb/IIIa inhibitors improve outcomes but do not fully resolve the complexity of bifurcation stenting.
Background:
Optimization of coronary angioplasty in bifurcation lesions remains a major challenge for percutaneous revascularization techniques.
Material/Methods:
We evaluated procedural success, major in-hospital complications, target vessel revascularization, and 2-year clinical outcomes in 45 patients who underwent PTCA of a bifurcation lesion using currently available techniques and rigorous criteria for optimal immediate
Results:
Angiographic success occurred in 100% of the parent vessels and in 84.4% of both vessels. Within the first 24 hours, there were no deaths or Q-wave myocardial infarction. Three non-Q-wave myocardial infarctions occurred (6.6%) and one emergency PTCA was necessary (2.2%). Therefore, clinical success was achieved in 91.2% of these patients. At 2-year follow-up, 3 cardiac deaths had occurred, the target revascularization rate was 20%, and the total frequency of major adverse cardiac events (MACE) was 37.8%.
Conclusions:
Optimization of coronary angioplasty in bifurcation lesions is possible and results in a high angiographic success rate, low risk of acute complications and acceptable long-term clinical outcomes. However, the fairly high incidence of MACE at 2 years suggests that bifurcation lesions remain a challenge in everyday practice despite contemporary intervention methods and the use of GPIIb/IIIa inhibitors.
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