Abstract
Most of the currently published randomized trials (RCTs) for carotid artery stenting (CAS) versus carotid endarterectomy (CEA) on symptomatic patients have concluded that CAS is associated with outcomes that are inferior to those of CEA. However, before final decision making on the future of CAS, there are some major issues of concern. Randomized controlled trials condemning CAS suffer from major study flaws, rendering comparison with CEA ineffective. These trials are challenged by methodological gaps, underpowered results, old-fashioned equipment and underuse of cerebral protection devices or even of stents. On the other hand, physicians' experience in CAS has not been that much appreciated, whereas CEA has been widely performed during the last 30 years by experienced and fully trained vascular surgeons. CAS is a recently emerged treatment that cannot yet be standardized. No matter the final verdict on CAS, the procedure will never be for low volume practitioners. It is required that CAS be performed exclusively in high volume centers with specific dedicated experience and adequate training. Yet, optimistic results on CAS have been constantly reported from single, highly specialized CAS centers around the world. Regarding rest...Continue Reading
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