“…67 At this point, it is impossible to assess the role of DEB in this application, because series examining their use have been small, with widely discrepant 1 year patency (38% to 92%), sometimes achieved with adjunctive stent placement. 69,70 RCTs comparing DEB with PTA are currently enrolling, 67 but, given the strikingly poor results with PTA in this application, even positive studies will prove little.…”