期刊
AMERICAN HEART JOURNAL
卷 205, 期 -, 页码 42-52出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.ahj.2018.07.023
关键词
-
资金
- National Heart, Lung, and Blood Institute [U01HL117904, U01HL117905]
Background Patients with chronic kidney disease (CKD) and stable ischemic heart disease are at markedly increased risk of cardiovascular events. Prior trials comparing a strategy of optimal medical therapy (OMT) with or without revascularization have largely excluded patients with advanced CKD. Whether a routine invasive approach when compared with a conservative strategy is beneficial in such patients is unknown. Methods ISCHEMIA-CKD is a National Heart, Lung, and Blood Institute-funded randomized trial designed to determine the comparative effectiveness of an initial invasive strategy (cardiac catheterization and optimal revascularization [percutaneous coronary intervention or coronary artery bypass graft surgery, if suitable] plus OMT) versus a conservative strategy (OMT alone, with cardiac catheterization and revascularization [percutaneous coronary intervention or coronary artery bypass graft surgery, if suitable] reserved for failure of OMT) on long-term clinical outcomes in 777 patients with advanced CKD (defined as those with estimated glomerular filtration rate <30 mL/min/1.73m(2) or on dialysis) and moderate or severe ischemia on stress testing. Participants were randomized in a 1: 1 fashion to the invasive or a conservative strategy. The primary end point is a composite of death or nonfatal myocardial infarction. Major secondary endpoints are a composite of death, nonfatal myocardial infarction, hospitalization for unstable angina, hospitalization for heart failure, or resuscitated cardiac arrest; angina control; and disease-specific quality of life. Safety outcomes such as initiation of maintenance dialysis and a composite of initiation ofmaintenancedialysis or deathwillbereported. Thetrial isprojected to have 80% power to detect a 22% to 24% reduction in the primary composite end point with the invasive strategy when compared with the conservative strategy. Conclusions ISCHEMIA-CKD will determinewhether an initial invasive management strategy improves clinical outcomes when added to OMT in patients with advanced CKD and stable ischemic heart disease.
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