Key result
Transcatheter pulmonary valve implantation may cause delayed exercise-induced myocardial infarction via dynamic coronary compression, which can be assessed by simulating increased cardiac output.
This case highlights the risk of delayed dynamic coronary artery compression after transcatheter pulmonary valve implantation and suggests a simulation technique to rule it out during the procedure.
May warrant caution for delayed coronary compression post-TPVI; hypothesis-generating for simulation testing in larger cohorts.
We report a case of a 29-year-old man who developed exercised-induced myocardial infarction 3 months post Melody valve implantation. We introduce the concept of ruling out dynamic coronary artery compression by simulating transcatheter pulmonary valve implant while increasing cardiac output and thus aortic dimensions in the catheterization laboratory.
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Dehghani et al. (2014) studied this question. Transcatheter pulmonary valve implantation may cause delayed exercise-induced myocardial infarction via dynamic coronary compression, which can be assessed by simulating increased cardiac output.
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