A, B) Pre-procedural CT demonstrating calcified leaflets portending high risk for bilateral coronary obstruction. C) Standard electrosurgical traversal of left and right coronary leaflets. D) Balloon dilatation of the target leaflets. E, F) Patent left and right coronaries after TAV-in-TAV. Adapted with permission from Greenbaum 13
Abbreviations: LCC – left coronary cusp, LM – left main, RCC – right coronary cusp, RCA – right coronary artery, STJ – sinotubular junction