The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy Trial (STICH3C)
The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy Trial
Sunnybrook Health Sciences Centre
754 participants
Jun 22, 2023
INTERVENTIONAL
Conditions
Summary
The Canadian CABG or PCI in Patients With Ischemic Cardiomyopathy (STICH3C) trial is a prospective, unblinded, international multi-center randomized trial of 754 subjects enrolled in approximately 45 centers comparing revascularization by percutaneous coronary intervention (PCI) vs. coronary artery bypass grafting (CABG) in patients with multivessel/left main (LM) coronary artery disease (CAD) and reduced left ventricular ejection fraction (LVEF). The primary objective is to determine whether CABG compared to PCI is associated with a reduction in all-cause death, stroke, spontaneous myocardial infarction (MI), urgent repeat revascularization (RR), or heart failure (HF) readmission over a median follow-up of 5 years in patients with multivessel/LM CAD and ischemic left ventricular dysfunction (iLVSD). Eligible patients are considered by the local Heart Team appropriate and amenable for non-emergent revascularization by both modes of revascularization. The secondary objectives are to describe the early risks of both procedures, and a comprehensive set of patient-reported outcomes longitudinally.
Eligibility
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Interventions
Contemporary, "State-of-the-art" PCI techniques will be encouraged in STICH3C, based on the most recent evidence and clinical practice guidelines recommendations. The best practices to be followed include the use of physiological and intravascular guidance, new-generation drug-eluting stents or scaffolds, rotational or orbital atherectomy for extensive calcifications, recommended bifurcation techniques, chronic total occlusion for viable segments by experienced operators, and trans-radial access.Planned temporary ventricular support is permitted by experienced operators when deemed indicated.
The surgical revascularization strategy will be tailored according to the individual patient's coronary anatomy, left ventricular remodeling, aortic atherosclerosis, co-morbidities, local expertise, and surgical judgement. An internal thoracic artery will be used to graft the left anterior descending in all cases. Multi-arterial grafting may be considered in patients without significant co-morbidities and with expected limited vasopressor use, or in patients without saphenous conduits. Choice of on- vs. off-pump surgery is influenced by LV size, associated valvular disease, and aortic atherosclerosis, as well as surgeon experience, but on-pump surgery is recommended routinely. The use of adjunctive intra-aortic balloon support or other cardiac support is not routinely recommended in stable patients; the intra-aortic balloon support is the first line mechanical support.
Locations(43)
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NCT05427370