Coronary flow disturbance assessed by vorticity as a cause of functionally significant stenosis.
Nobuo TomizawaYui NozakiShinichiro FujimotoDaigo TakahashiAyako KudoYuki KamoChihiro AoshimaYuko KawaguchiKazuhisa TakamuraMakoto HikiTomotaka DohiShinya OkazakiKanako K KumamaruTohru MinaminoShigeki AokiPublished in: European radiology (2022)
• Flow disturbance caused by coronary stenosis could be evaluated by calculating vorticity which is defined as the norm of the rotation of the velocity vector. • Vorticity was statistically significantly higher in stenosis with functional significance than stenosis without. • Vorticity has an additive value to detect functionally significant stenosis over geometrical stenosis.