Broes Martens, Vincent Michiels, Jean-François Argacha, Bernard Cosyns

Normalization of FFRCT after surgical unroofing of a myocardial bridge: a case report

  • Cardiology and Cardiovascular Medicine

Abstract Background Cardiac computed tomography angiography derived fractional flow reserve (FFRCT) is a diastolic measurement and has emerged as a valuable non-invasive alternative to FFR in patients with stable coronary artery disease. It has, unlike FFR during coronary angiography, not been validated for the physiological evaluation of an isolated myocardial bridge (MB) so far. Case summary Our patient, previously known with a long myocardial bridge of the mid segment of the left anterior descending artery (LAD), presented with a non-ST segment elevation myocardial infarction which was treated by surgical unroofing of the MB. FFRCT after surgery confirms a major amelioration of coronary blood flow. Discussion MB may rarely present as a non-ST segment elevation myocardial infarction. FFRCT has thus far been accepted as a useful diagnostic tool in stable coronary artery disease. Our case report suggests that cardiac computed tomography angiography may be considered a useful technique for anatomical and physiological evaluation of MBs.

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