Howard K. Song, M.D., Ph.D.

Howard K. Song, M.D., Ph.D., is a Senior Professor at Oregon Health & Science University specializing in cardiothoracic surgery and cardiovascular interventions. His research focuses on valvular heart disease, transcatheter valve replacement, and medical device innovation, with particular emphasis on aortic stenosis, aortic regurgitation, and tricuspid valve interventions. His recent landmark publications include the ALIGN-AR pivotal trial evaluating the Trilogy transcatheter valve for native aortic regurgitation in *The Lancet*, six-year outcomes of transcatheter versus surgical aortic valve replacement in low-risk patients, and studies on implantation depth and conduction abnormalities following transcatheter tricuspid valve replacement. He has also investigated safety outcomes of direct current cardioversion after left atrial appendage occlusion and preoperative lactate as a mortality predictor in emergency aortic dissection repair. His work bridges surgical and interventional approaches to advance minimally invasive cardiovascular care.