CompArison of PCI in NaTive Arteries Versus ByPAss Grafts In PatieNts With Prior CABG (CAPTAIN)

Study Overview
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Brief Summary
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Coronary atherosclerotic heart disease (CAD) has been considered the leading cause of death in both developed and developing countries. Coronary artery bypass grafting (CABG) is a major therapy of CAD in the world, mainly used for patients with left main disease, multi-vessel complex disease, stent implantation failure, heart failure and diabetes. Studies have demonstrated that significant angiographic defects up to 12% of grafts, which was observed by immediate coronary angiography after CABG. Despite secondary prevention were performed in patients after CABG, the early failure rate at 1 year is higher, up to 15-20%, the 10-year patency rate of internal mammary artery graft is 85%, and the 10-year patency rate of saphenous vein graft is only 61%, and 10-20% of patients require revascularization within 10 years after CABG. Patients with failed grafts usually have a higher surgical risk and the morality of repeat CABG is 2-4 times higher than primary surgery. Because of the poor clinical prognosis of patients undergoing repeat CABG, PCI is the preferred treatment strategy for revascularization in patients with previous CABG. In patients with previous CABG, approximately 75% of PCI target vessels are native vessels. Compared with native vessel PCI, bypass graft PCI has a higher rate of short- and long-term major adverse events, including more than double the in-hospital mortality rate. Some studies support the above view，but others denied. Therefore, the primary study mainly to explore the effect of native vessel PCI or graft PCI on the prognosis of patients with previous CABG.

Official Title
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Comparison of Percutaneous Coronary Intervention in Native Arteries Versus Bypass Grafts in Patients With Prior Coronary Artery Bypass Grafting

Conditions
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Coronary Artery Disease

Intervention / Treatment
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* Procedure: PCI in native vessel or in bypass graft


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients received first percutaneous coronary intervention in native arteries or in bypass grafts after coronary artery bypass grafting Exclusion Criteria: Patients who missed follow-up data were excluded
Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Native vessel PCI<br>Native vessel PCI, which choose native coronary artery as the target vessel | Procedure: PCI in native vessel or in bypass graft<br>* Native vessel PCI,which choose native coronary artery as the target vessel, while the bypass graft PCI choose graft vessel as the target vessel.<br>|
| Bypass graft PCI<br>Bypass graft PCI, which choose the graft vessel as the target vessel | Procedure: PCI in native vessel or in bypass graft<br>* Native vessel PCI,which choose native coronary artery as the target vessel, while the bypass graft PCI choose graft vessel as the target vessel.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Major adverse cardiovascular event (MACE) | A composite of all-cause death, non-fatal stroke, non-fatal myocardial infarction | about 10 years after PCI | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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coronary artery bypass grafting, percutaneous coronary intervention, coronary artery disease