Myocardial perfusion quantification using simultaneously acquired 13 NH3 -ammonia PET and dynamic contrast-enhanced MRI in patients at rest and stress.

Karl P KunzeStephan G NekollaChristoph RischplerShelley HuaLei ZhangCarmel HayesNicolas LangwieserTareq IbrahimKarl-Ludwig LaugwitzMarkus Schwaiger

Published in: Magnetic resonance in medicine (2018)

Thresholds for Ischemia classification may not be directly tradable between PET and MRI flow values. Differences in perfusion ratios between PET and DCE-MRI may be lifted by using stress/rest-specific hematocrit conversion. Proper physiological constraints are advised in model-constrained deconvolution.

Keyphrases

contrast enhanced
computed tomography
magnetic resonance imaging
positron emission tomography
pet ct
diffusion weighted imaging
magnetic resonance
pet imaging
machine learning
deep learning