However, percent stenosis is poorly related to FFR or coronary flow reserve capacity. 4,5,6,7,8 In patients with visually estimated 50–70% diameter stenosis on coronary arteriograms, only 35% ...
Consequently, the ensuing coronary angiogram enables restratification of the underlying residual thrombus as follows: No residual thrombus – grade 0 Small residual thrombus – grade 1–3 Large ...