Prognostic value of myocardial flow reserve vs corrected myocardial flow reserve in patients without obstructive coronary artery disease.
Daniel M HuckBrittany N WeberJenifer M BrownDiana LopezJon HainerRon BlanksteinSharmila DorbalaSanjay DivakaranMarcelo F Di CarliPublished in: Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology (2024)
In patients without overt obstructive CAD and MFR< 2.0, there was no significant difference in cardiovascular risk between patients with discordant (≥2.0) and concordant (<2) MFR following RPP correction. This suggests that RPP-corrected MFR may not consistently provide accurate risk stratification in patients with normal perfusion and MFR <2.0. Stress MBF and uncorrected MFR should be reported to more reliably convey cardiovascular risk beyond perfusion results.