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Published on: June 28, 2019
Revascularization treatment in patients with coronary artery disease
1Cardiology Department, Tzanio Hospital, Piraeus, Greece. stefanso@hellasnet.gr
Insights
Choosing between percutaneous coronary intervention (PCI) with drug-eluting stents (DES) and coronary artery bypass grafting (CABG) surgery for coronary artery disease (CAD) remains complex. Ongoing trials compare these revascularization strategies to guide optimal patient care.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Cardiac Surgery
Background:
- Advances in percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) complicate optimal revascularization strategy selection for coronary artery disease (CAD).
- Drug-eluting stents (DES) mitigate restenosis concerns associated with earlier stent technologies, while off-pump and minimally invasive CABG offer safer alternatives to traditional surgery.
Purpose of the Study:
- To address the ongoing dilemma in selecting the optimal revascularization strategy for patients with coronary artery disease (CAD).
- To evaluate the efficacy of contemporary PCI with DES versus modern CABG techniques, particularly in high-risk populations like diabetics and those with chronic kidney disease.
Main Methods:
- Review of existing literature on PCI and CABG for CAD.
- Acknowledgement of ongoing clinical trials designed for head-to-head comparisons between DES-assisted PCI and contemporary bypass surgery.
Main Results:
- Current literature may not reflect the latest advancements in PCI (DES) and CABG (off-pump, minimally invasive).
- The optimal revascularization strategy remains debated, especially for high-risk CAD patient subgroups.
Conclusions:
- Head-to-head trials are crucial to definitively compare DES-assisted PCI and contemporary CABG.
- Evidence from ongoing trials is anticipated to resolve the debate on the best revascularization strategy for diverse CAD patient populations.
Abstract:
The choice of optimal revascularization strategy in patients with coronary artery disease (CAD) is becoming more challenging lately, due to recent advances in percutaneous coronary intervention (PCI) and coronary artery bypass grafting surgery (CABG). On one hand, drug-eluting stents (DES) have emerged as a solution to the problem of restenosis after balloon angioplasty or bare-metal stent implantation, which was responsible for a higher rate of events (mainly repeat revascularization) in relation to CABG. On the other hand, off-pump bypass techniques and minimally invasive grafting of the left anterior descending artery appear to be safe and efficacious alternatives to traditional, on-pump CABG. Available literature includes studies outdated by current technologies, leaving the dilemma of best revascularization strategy unanswered in the general CAD population, but also in high-risk groups, such as diabetics and patients with chronic kidney disease. A number of ongoing trials, especially designed for this purpose, are set to end the debate, providing headto- head comparisons between DES-assisted PCI and contemporary bypass surgery.
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