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Coronary CT Angiography in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome Australian Trends in Procedural Characteristics and Outcomes in Patients Undergoing Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction Impact of Percutaneous Coronary Intervention for Chronic Total Occlusion in Non-Infarct-Related Arteries in Patients With Acute Myocardial Infarction (from the COREA-AMI Registry) Prognostic impact of baseline glucose levels in acute myocardial infarction complicated by cardiogenic shock-a substudy of the IABP-SHOCK II-trial OPTIMAL USE OF LIPID-LOWERING THERAPY AFTER ACUTE CORONARY SYNDROMES: A Position Paper endorsed by the International Lipid Expert Panel (ILEP) Invasive Management of Acute Myocardial Infarction Complicated by Cardiogenic Shock: A Scientific Statement From the American Heart Association Early versus delayed invasive intervention in acute coronary syndromes Long-term outcomes after myocardial infarction in middle-aged and older patients with congenital heart disease-a nationwide study Global Chronic Total Occlusion Crossing Algorithm: JACC State-of-the-Art Review Cardiac Shock Care Centers: JACC Review Topic of the Week

Expert Opinion2018;3(2):112-113.

JOURNAL:JAMA Cardiol. Article Link

The Wait for High-Sensitivity Troponin Is Over—Proceed Cautiously

Korley FK Keywords: Acute Coronary Syndromes; Cardiology Emergency Medicine; Research Methods; Statistics; Ischemic Heart Disease

ABSTRACT


Since high-sensitivity troponin (hsTn) assays became available for clinical use in Europe in 2010, clinicians in the United States have been waiting eagerly for US Food and Drug Administration (FDA) approval. It is finally here. High-sensitivity troponin assays hold promise for earlier diagnosis of myocardial infarction (MI), a decrease in the time required to rule out MI, a reduction in sex bias in the diagnosis of MI, and an improvement in the diagnosis of cardiac injury in noncardiac conditions, among other effects. It may also result in a redefinition of the concept of unstable angina. In this issue of JAMA Cardiology, Peacock et al report findings from the first study of the diagnostic accuracy of the FDA-approved high-sensitivity troponin T (hsTnT) assay in patients in US emergency departments who were evaluated for suspected acute coronary syndrome (ACS). The authors deserve commendation for rigorously conducting a timely study that provides crucial data that will inform strategies for implementing hsTn in the United States. This rigorously implemented multicenter observational study generated important findings that may excite enthusiasts while making skeptics cautious.