Keith B AllenCardiothoracic Surgeon in the Department of Cardiothoracic SurgeryHeart Center of IndianaArticles Bioprosthetic Valve Fracture During Valve-in-valve TAVR: Bench to Bedside John T Saxon, Keith B Allen, David J Cohen, Adnan K Chhatriwalla Interventional Cardiology Review 2018;13(1):20–6. Transmyocardial Revascularization as an Adjunct to Coronary Artery Bypass Surgery Keith B Allen US Cardiology 2006;3(2):1–4 If you are interested in creating or editing a profile page please contact our editorial office.