“…407,440,468,624,625,628 -630 When periodic duplex scanning is used, hemodynamically significant recurrent stenosis rates of 5% to 7% have been reported in multicenter trials in which the quality of surgery is monitored carefully. 396,403,404,406,440,628,[631][632][633][634][635][636][637][638][639][640][641][642][643][644][645] Recurrent carotid stenosis after CEA is a trimodal phenomenon. The first event is not really recurrence but instead represents an unsatisfactory or incomplete CEA.…”