Carotid artery stenting resulted in a 1-year complication rate of 5.85%, with stent thrombosis/occlusion being the most common complication, particularly in symptomatic patients or those with ≥90% stenosis.
Observational (n=195)
No
Carotid artery stenting has an acceptable overall complication rate, but the risk of complications, particularly stent thrombosis and occlusion, is notably higher in symptomatic patients, emergency cases, and those with ≥90% stenosis.
Objective: This study aimed to examine complications that may occur after carotid artery stenting (CAS) and their relationships with carotid artery stenosis rate. Materials and Methods: Complications, such as cerebral hyperperfusion, stroke, death, stent thrombosis or occlusion and restenosis, were evaluated on the 30th day after CAS and at the end of the first year. Results: Of the 205 CAS procedures, complications developed in 12 patients. The complication rate for the first 30 days after the procedure was 4,87%, and at the end of the first year, it was 5,85%. Of the 12 patients with complications, 8 had carotid stenosis of ≥90%. Death occurred in 4 of 195 patients with carotid artery stenosis. The mortality rate within the first 30 days and during the 1-year follow-up period was 1,53% and 2,05%, respectively. Ischemic stroke occurred in 6 of 195 patients with carotid artery stenosis. After the first 30 days and one year follow-up, ischemic stroke had occurred in 3,07% of patients. Stent thrombosis and occlusion rate was 4,87% in 205 CAS procedures, and 7 of them occurred in the first 24 hours and another 3 occurred within the first 30 days. Restenosis rates were 0,48% and 0,97% at 6 months and the first year, respectively. Conclusion: The complications of CAS have been associated with the urgency of treatment (emergency), symptom presence (symptomatic patients) and high degree of stenosis (≥90%); whereas bilateral stenosis is not associated with complications. In addition, stent thrombosis and occlusion were observed as the most common CAS complication.
Deniz et al. (Mon,) conducted a observational in Extracranial carotid artery stenosis (n=195). Carotid artery stenting (CAS) was evaluated on Overall complication rate (stroke, death, restenosis, cerebral hyperperfusion, stent thrombosis/occlusion) at 1 year. Carotid artery stenting resulted in a 1-year complication rate of 5.85%, with stent thrombosis/occlusion being the most common complication, particularly in symptomatic patients or those with ≥90% stenosis.