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Hemodynamic Response to Nitroprusside in Patients With Low-Gradient Severe Aortic Stenosis and Preserved Ejection Fraction Optimal medical therapy vs. coronary revascularization for patients presenting with chronic total occlusion: A meta-analysis of randomized controlled trials and propensity score adjusted studies Recommendations for Institutions Transitioning to High-Sensitivity Troponin Testing JACC Scientific Expert Panel Risk Stratification Guided by the Index of Microcirculatory Resistance and Left Ventricular End-Diastolic Pressure in Acute Myocardial Infarction 中国肺高血压诊断和治疗指南2018 Comparison in prevalence, predictors, and clinical outcome of VSR versus FWR after acute myocardial infarction: The prospective, multicenter registry MOODY trial-heart rupture analysis Prognostic Value of the Residual SYNTAX Score After Functionally Complete Revascularization in ACS Radial versus femoral access and bivalirudin versus unfractionated heparin in invasively managed patients with acute coronary syndrome (MATRIX): final 1-year results of a multicentre, randomised controlled trial Rotational atherectomy and new-generation drug-eluting stent implantation Fractional flow reserve vs. angiography in guiding management to optimize outcomes in non-ST-segment elevation myocardial infarction: the British Heart Foundation FAMOUS-NSTEMI randomized trial

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.