Abstract
To evaluate technical success, complications and the influence of the learning curve on outcome in carotid artery stenting (CAS) performed in patients not suitable for surgery. One hundred and nine procedures of protected carotid stenting in 103 high risk patients were performed. All patients presented at least one factor that potentially increased the surgical risk of carotid endoarterectomy (CEA), according to SAPPHIRE criteria. Neurologic complications were quantified by the National Institutes of Health Stroke Scale (NIHSS) and were evaluated by median Rankin Scale (mRS). To evaluate the influence of experience of the operator to perform CAS, we retrospectively analyzed periprocedural and neurological complications of the first 50 procedures compared with that of the following 59 interventions. Technical success rate was 98%. Neurological periprocedural complications were revealed in 4.5% of patients. In-hospital and 30-days neurological complications rate was 7.6 and 2.6% respectively. Periprocedural neurological complications rate was lower in the last procedures performed, according to a higher confidence of the operators. CAS may be performed as an alternative of CEA for the treatment of severe carotid obstructive disease in patients not suitable for surgery. The learning curve positively influence complications rate.
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