Test-retest variability of left ventricular 4D flow cardiovascular magnetic resonance measurements in healthy subjects

Victoria Stoll, Margaret Loudon, , , Petter Dyverfeldt, Tino Ebbers, Saul Myerson, Stefan Neubauer, & Aaron Hess
Abstract Background Quantification and visualisation of left ventricular (LV) blood flow is afforded by three-dimensional, time resolved phase contrast cardiovascular magnetic resonance (CMR 4D flow). However, few data exist upon the repeatability and variability of these parameters in a healthy population. We aimed to assess the repeatability and variability over time of LV 4D CMR flow measurements. Methods Forty five controls underwent CMR 4D flow data acquisition. Of these, 10 underwent a second scan within...
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