Key result
In an 83-year-old woman with a degenerated mitral bioprosthesis, valve-in-valve TMVR with a modified LAMPOON technique successfully prevented LVOT obstruction with a post-implant gradient of 5 mmHg.
Why the study?
Left ventricle outflow tract obstruction is a feared complication of TMVR, requiring multimodal imaging to identify at-risk patients and select the best management.
Case Report (n=1)
The modified LAMPOON technique, guided by multimodal imaging, can successfully prevent LVOT obstruction in high-risk patients undergoing complex valve-in-valve TMVR.
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Multimodal imaging may guide LVOT risk assessment in TMVR; leaves open prospective validation before practice change.
Baggio et al. (2021) conducted a case report in Mitral bioprosthesis degeneration with severe stenosis and moderate regurgitation (n=1). Valve-in-valve TMVR with modified LAMPOON technique was evaluated on Procedural success and LVOT gradient. In an 83-year-old woman with a degenerated mitral bioprosthesis, valve-in-valve TMVR with a modified LAMPOON technique successfully prevented LVOT obstruction with a post-implant gradient of 5 mmHg.
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