 In 2004, the technology was pioneered in the midwest United States at Miami Valley Hospital in Dayton, Ohio by Mark Krebs, MD, FACC, Matthew Hoskins, RN, BSN and Ken Peterman, RN, BSN.These electrophysiology experts were successful in curing the first 12 candidates in their facility.Cryoablation for AVNRT and other arrhythmias do have some drawbacks.