Invasive coronary angiography has limited diagnostic accuracy for detecting reduction of myocardial perfusion assessed by cardiac magnetic resonance.

IF 2.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Anna E Székely, Shahnaz Akil, Fredrik Hedeer, Peter Kellman, Marcus Carlsson, David Erlinge, Moman A Mohammad, Håkan Arheden, Henrik Engblom
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引用次数: 0

Abstract

The relationship between degree of coronary artery stenosis and its effect on myocardial perfusion is complex and constitutes a clinical challenge. The aim of this study was to assess diagnostic accuracy of visual assessment of invasive coronary angiography (ICA) for detecting reduced myocardial perfusion determined by quantitative first-pass perfusion (qFPP) cardiac magnetic resonance (CMR) in patients with suspected or established chronic coronary syndrome (CCS). Forty-nine patients with suspected or established CCS were included from the elective ICA list in this prospective, observational study and underwent qFPP CMR prior to ICA. Myocardial perfusion at stress and myocardial perfusion reserve (MPR) were assessed for each vessel territory. Myocardial perfusion at stress <2.0 ml/min/g and MPR <2.4 were considered abnormal. Visually assessed coronary artery stenoses from ICA were considered significant if ≥70%. Sensitivity and specificity of visual assessment of ICA for detecting significant reduction of myocardial perfusion ranged between 32-41% and 70-76% on a per vessel level depending on myocardial perfusion measure used as reference. Accuracy ranged between 0.48-0.64. In 59-68% of vessel territories with reduced stress perfusion or MPR, no significant stenosis was found. Thus, visual assessment of invasive coronary angiography has limited diagnostic accuracy for detecting significant reduction of myocardial perfusion assessed by qFPP CMR in patients with suspected or established CCS. Hence, quantitative myocardial perfusion is required when evaluating the cause of angina to distinguish between coronary stenosis, microvascular dysfunction and non-cardiac causes of chest pain.

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来源期刊
American Journal of Cardiology
American Journal of Cardiology 医学-心血管系统
CiteScore
4.00
自引率
3.60%
发文量
698
审稿时长
33 days
期刊介绍: Published 24 times a year, The American Journal of Cardiology® is an independent journal designed for cardiovascular disease specialists and internists with a subspecialty in cardiology throughout the world. AJC is an independent, scientific, peer-reviewed journal of original articles that focus on the practical, clinical approach to the diagnosis and treatment of cardiovascular disease. AJC has one of the fastest acceptance to publication times in Cardiology. Features report on systemic hypertension, methodology, drugs, pacing, arrhythmia, preventive cardiology, congestive heart failure, valvular heart disease, congenital heart disease, and cardiomyopathy. Also included are editorials, readers'' comments, and symposia.
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