Throughout its nearly 30-year history, atherectomy has remained something of an under-achiever. Witness a 2020 study in Circulation: Cardiovascular Interventions, where Ajay Kirtane, MD, SM, of Columbia University Medical Center, and co-authors found that adjunctive coronary atherectomy was performed in just 3 percent of the nearly four million cases drawn from the CathPCI Registry in the fourth quarter of 2016, up from 1.1 percent in the third quarter of 2009.