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Application of High-Sensitivity Troponin in Suspected Myocardial Infarction Predicting Major Adverse Events in Patients With Acute Myocardial Infarction Association Between Haptoglobin Phenotype and Microvascular Obstruction in Patients With STEMI: A Cardiac Magnetic Resonance Study Dynamic Myocardial Ultrasound Localization Angiography Complete Revascularization with Multivessel PCI for Myocardial Infarction Spontaneous Coronary Artery Dissection: Current State of the Science: A Scientific Statement From the American Heart Association Universal Definition of Myocardial Infarction Canadian Multicenter Chronic Total Occlusion Registry: Ten-Year Follow-Up Results of Chronic Total Occlusion Revascularization Systems of Care for ST-Segment–Elevation Myocardial Infarction: A Policy Statement From the American Heart Association Successful catheter ablation of electrical storm after myocardial infarction

Expert Opinion2019 Feb 16. [Epub ahead of print]

JOURNAL:J Am Coll Cardiol. Article Link

Recommendations for Institutions Transitioning to High-Sensitivity Troponin Testing JACC Scientific Expert Panel

Januzzi JL Jr, Mahler SA, Christenson RH et al. Keywords: laboratory testing; myocardial infarction; troponin

ABSTRACT


High-sensitivity cardiac troponin (hs-cTn) I or T methods have been in use in certain regions for years but are now increasingly globally adopted, including in the United States. Accordingly, inevitable challenges are created for institutions transitioning from conventional cardiac troponin (cTn) assays. hs-cTn assays have higher analytic precision at lower concentrations, yielding greater clinical sensitivity for myocardial injury and allowing accurate recognition of small changes in troponin concentration (rise or fall) within a short time frame. Although much of the knowledge regarding troponin biology that was applicable with older troponin assays still holds true, considerable education regarding the differences between conventional cTn and hs-cTn is needed before medical systems convert to the newer methods. This includes a basic understanding of how hs-cTn testing differs from conventional cTn testing and how it is best deployed in different settings, such as the emergency department and inpatient services. This Expert Panel will review important concepts for institutional transition to hs-cTn methodology, providing recommendations useful for education before implementation.


Copyright ? 2019 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.