DocWire News continues its conversation with Ajay Kirtane, MD, Associate Professor of Medicine at Columbia University Medical Center, who discusses the exciting data coming from two new interventional studies: The ECLIPSE (Evaluation of Treatment Strategies for Severe CalcIfic Coronary Arteries: Orbital Atherectomy vs. Conventional Angioplasty Technique Prior to Implantation of Drug Eluting Stents) Trial, and the observational OPTIMUM (Outcomes of Surgically Ineligible Patients With Multivessel CAD) Registry analysis.