Reverse Controlled Antegrade and Retrograde Tracking in Left Internal Mammary Artery Bypass Grafts.

Competing Interests: Funding Support and Author Disclosures Dr Allana has received consulting fees from Boston Scientific and Abiomed. Dr Brilakis has received consulting/speaker honoraria from Abbott Vascular, the American Heart Association (associate editor Circulation), Amgen, Asahi Intecc, Biotronik, Boston Scientific, Cardiovascular Innovations Foundation (Board of Directors), CSI, Elsevier, GE Healthcare, IMDS, Medicure, Medtronic, Siemens, and Teleflex; has received research support from Boston Scientific and GE Healthcare; is an owner of Hippocrates LLC; and is a shareholder of MHI Ventures, Cleerly Health, and Stallion Medical.