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Published on: September 9, 2020
Normalization of FFRCT after surgical unroofing of a myocardial bridge: a case report
Broes Martens1, Vincent Michiels1, Jean-François Argacha1
1Department of Cardiology, University Hospital Brussels, Laarbeeklaan 101, Jette, Brussels 1090, Belgium.
Insights
Fractional flow reserve computed tomography (FFRCT) can assess coronary artery disease. This case shows FFRCT effectively evaluates myocardial bridges after surgical treatment, improving blood flow.
Area of Science:
- Cardiovascular Imaging
- Interventional Cardiology
Background:
- Fractional flow reserve computed tomography (FFRCT) is a non-invasive tool for stable coronary artery disease.
- FFRCT has not been validated for evaluating myocardial bridges (MB).
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, presented with a non-ST-segment elevation myocardial infarction that was treated by surgical unroofing of the MB. FFRCT after surgery confirms a major amelioration of coronary blood flow.
Discussion:
Myocardial bridge 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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