Implications of Alternative Definitions of Peri-Procedural Myocardial Infarction After Coronary Revascularization

Varying definitions of procedural myocardial infarction (PMI) are in widespread use. This study sought to determine the rates and clinical relevance of PMI using different definitions in patients with left main coronary artery disease randomized to percutaneous coronary intervention (PCI) versus cor...

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Vydáno v:	Journal of the American College of Cardiology Ročník 76; číslo 14; s. 1609
Hlavní autoři:	Gregson, John, Stone, Gregg W, Ben-Yehuda, Ori, Redfors, Björn, Kandzari, David E, Morice, Marie-Claude, Leon, Martin B, Kosmidou, Ioanna, Lembo, Nicholas J, Brown, 3rd, W Morris, Karmpaliotis, Dimitri, Banning, Adrian P, Pomar, Jose, Sabaté, Manel, Simonton, Charles A, Dressler, Ovidiu, Kappetein, Arie Pieter, Sabik, 3rd, Joseph F, Serruys, Patrick W, Pocock, Stuart J
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States 06.10.2020
Témata:	Coronary Artery Bypass - adverse effects Coronary Artery Bypass - mortality Coronary Artery Bypass - trends Coronary Artery Disease - diagnostic imaging Coronary Artery Disease - mortality Coronary Artery Disease - surgery Female Follow-Up Studies Humans Male Mortality - trends Myocardial Infarction - diagnostic imaging Myocardial Infarction - etiology Myocardial Infarction - mortality Myocardial Revascularization - adverse effects Myocardial Revascularization - trends Percutaneous Coronary Intervention - adverse effects Percutaneous Coronary Intervention - mortality Percutaneous Coronary Intervention - trends Postoperative Complications - diagnostic imaging Postoperative Complications - etiology Postoperative Complications - mortality Treatment Outcome coronary artery bypass grafting surgery coronary artery disease percutaneous coronary intervention revascularization left main disease myocardial infarction prognosis
ISSN:	1558-3597, 1558-3597
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Shrnutí:	Varying definitions of procedural myocardial infarction (PMI) are in widespread use. This study sought to determine the rates and clinical relevance of PMI using different definitions in patients with left main coronary artery disease randomized to percutaneous coronary intervention (PCI) versus coronary artery bypass grafting (CABG) surgery in the EXCEL (Evaluation of XIENCE versus Coronary Artery Bypass Surgery for Effectiveness of Left Main Revascularization) trial. The pre-specified protocol definition of PMI (PMI ) required a large elevation of creatine kinase-MB (CK-MB), with identical threshold for both procedures. The Third Universal Definition of MI (types 4a and 5) (PMI ) required lesser biomarker elevations but with supporting evidence of myocardial ischemia, different after PCI and CABG. For the PMI , troponins were used preferentially (available in 49.5% of patients), CK-MB otherwise. The multivariable relationship between each PMI type and 5-year mortality was determined. PMI occurred in 34 of 935 (3.6%) patients after PCI and 56 of 923 (6.1%) patients after CABG (difference -2.4%; 95% confidence interval [CI]: -4.4% to -0.5%; p = 0.015). The corresponding rates of PMI were 37 (4.0%) and 20 (2.2%), respectively (difference 1.8%; 95% CI: 0.2% to 3.4%; p = 0.025). Both PMI and PMI were associated with 5-year cardiovascular mortality (adjusted hazard ratio [HR]: 2.18 [95% CI: 1.13 to 4.23] and 2.87 [95% CI: 1.44 to 5.73], respectively). PMI was associated with a consistent hazard of cardiovascular mortality after both PCI and CABG (p = 0.86). Conversely, PMI was strongly associated with cardiovascular mortality after CABG (adjusted HR: 11.94; 95% CI: 4.84 to 29.47) but not after PCI (adjusted HR: 1.14; 95% CI: 0.35 to 3.67) (p = 0.004). Results were similar for all-cause mortality and with varying PMI biomarker definitions. Only large biomarker elevations (CK-MB ≥10× upper reference limit and troponin ≥70× upper reference limit) were associated with mortality. The rates of PMI after PCI and CABG vary greatly with different definitions. In the EXCEL trial, the pre-specified PMI was associated with similar hazard after PCI and CABG, whereas PMI was strongly associated with mortality after CABG but not after PCI. (EXCEL Clinical Trial [EXCEL]; NCT01205776).
Bibliografie:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Undefined-3
ISSN:	1558-3597 1558-3597
DOI:	10.1016/j.jacc.2020.08.016