TAVRprosthesis recoil: Unknowns and implications
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TAVR acute recoil has not been properly assessed with current generation balloon-expandable prosthesis. Acute recoil was greater during initial deployment than in postdilatation, in middle stent than inflow or outflow, and in antero-posterior than lateral axis. No predictors or clinical implications of acute valvular recoil were detected, calling for further research to better understand this phenomenon.
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