Is Target Vessel Failure a Failure?

Competing Interests: Funding Support and Author Disclosures Dr Johnson has received internal funding from the Weatherhead PET Center for Preventing and Reversing Atherosclerosis; has received significant institutional research support from St. Jude Medical (CONTRAST trial; NCT02184117) and Philips Volcano (DEFINE-FLOW trial; NCT02328820) for studies using intracoronary pressure and flow sensors; has an institutional licensing agreement with Boston Scientific for the smart-minimum fractional flow reserve algorithm commercialized under 510(k) K191008; and has pending patents on diagnostic methods for quantifying aortic stenosis and transcatheter aortic valve replacement physiology, and also algorithms to correct pressure tracings from fluid-filled catheters. Mr Collison has received speaker and consulting fees from Abbott.