QFR and OFR In the Assessment of Intermediate CAD
QFR and OFR in the Assessment of intermediate CAD that may benefit from percutaneous coronary intervention, a physiological lesion assessment is indicated. The optical flow ratio (OFR) is a more modern approach for the quick and automated assessment of coronary physiology from intracoronary optical coherence tomography (OCT). The quantitative flow ratio (QFR) was created to
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