Cognitive function and oxidative stress after carotid endarterectomy: comparison of propofol to sevoflurane anesthesia.

Objective: To examine the antioxidant role of propofol in ischemia-reperfusion during carotid endarterectomy (CEA) and its influence on cognitive dysfunction after CEA.

Design: A randomized prospective study.

Setting: Single-center study in a university hospital.