Therefore, an active follow-up of all stented arteries seems to be warranted. However, this analysis of the peer-reviewed literature also indicates that the early restenosis rates after CAS might be higher than previously suggested in observational surveys. Results- The cumulative restenosis rates after 1 and 2 years were ≈6% and 7.5% in those studies, which used a lower restenosis threshold ≥50% to 70% and ≈4% in the first 2 years after CAS in those studies, which used a lower restenosis threshold >70% to 80%.Ĭonclusions- In reviewing the current literature, the early restenosis rates after CAS compare well with those reported for CEA.
The ultrasound criteria and the lower thresholds for defining a recurrent stenosis were very heterogeneous. We identified 34 studies that reported on a total of 4185 patients with a follow-up of 3814 arteries over a median of 13 months (range, 6 to 31 months). Methods- We conducted a systematic analysis of all peer-reviewed studies reporting on the rate of restenosis (≥50%) after CAS based on duplex ultrasound or angiography that were published between January 1990 and July 2004. Aside from the periprocedural complication rates, the benefits of CAS will be affected by the incidence of recurrent carotid stenosis. Customer Service and Ordering Informationīackground and Purpose- Carotid angioplasty and stenting (CAS) has emerged as a potential alternative to endarterectomy (CEA) for the treatment of carotid artery disease.Stroke: Vascular and Interventional Neurology.Journal of the American Heart Association (JAHA).Circ: Cardiovascular Quality & Outcomes.
Arteriosclerosis, Thrombosis, and Vascular Biology (ATVB).
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