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Abstract #2208

Comparison of Myocardial Blood Flow Measurements with Arterial Spin Labeling in Breathhold and Synchronized Breathing Acquisitions

Verónica Aramendía-Vidaurreta1, Pedro Macías-Gordaliza2,3, Marta Vidorreta4, Rebeca Echeverria-Chasco1, Gorka Bastarrika1, Arrate Muñoz-Barrutia2,3, and María Fernández-Seara1
1Radiology, Clínica Universidad de Navarra, Pamplona, Spain, 2Universidad Carlos III de Madrid, Madrid, Spain, 3Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain, 4Siemens Healthineers, Madrid, Spain

Arterial spin labeling enables non-invasive quantification of myocardial perfusion. However, there is a need to improve its reproducibility by reducing subtraction errors due to motion and thus, avoiding signal blurring in the acquired low-resolution images. Here, we demonstrate the feasibility of quantifying MBF employing synchronized breathing techniques with FAIR-ASL in healthy subjects. Visually, motion is significantly reduced, MBF values are consistent with those reported in the literature and coefficient of variation for intrasession reproducibility is 13%.

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