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Carotid artery stenting, what can be learned after more than 1,000 patients: a single centre single operator experience.
MedLine Citation:
PMID:  21954230     Owner:  NLM     Status:  Publisher    
Aims: The aim of the present study was to evaluate the outcome of carotid artery stenting (CAS) in a single, high-volume centre of a single operator and to analyse the circumstances under which complications occur. Recent trials comparing CAS with carotid endarterectomy demonstrated controversial results. The low experience of interventionists in performing CAS was a major limitation of these studies. The number of procedures needed to achieve optimal skills is unknown. Methods and results: From May 1997 until April 2010, 1,004 patients with symptomatic or asymptomatic carotid artery stenosis underwent CAS by a single operator. A cerebral protection device was in mandatory use since 2000. In-hospital complication rates were defined as the cumulative rate of death, myocardial infarction or stroke. Procedural success was achieved in 97.77% of patients. The perioperative complication rate was 1.69% including 0.2% deaths, 1.1% patients with minor stroke, 0.4% patients with major stroke. In 88% (15 out of 17) of the patients with complications, unfavourable anatomical or procedural factors could be identified. After the first 100 CAS performed,the complication rate was at 3% and significantly decreased to 1% after more than 500 procedures. Patients ≥80 years had a significantly higher complication rate. Conclusions: In a high-volume experienced centre, the in-hospital complication rate is low. Complications occurred almost exclusively in patients with unfavourable anatomical or procedural characteristics and seem to be avoidable in most patients. A learning curve was observed up to 500 procedures. Elderly patients have a higher complication rate.
Klaudija Bijuklic; Thilo Tübler; Andreas Wandler; Heinrich Goossens; Joachim Schofer
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-1
Journal Detail:
Title:  EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology     Volume:  -     ISSN:  1969-6213     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101251040     Medline TA:  EuroIntervention     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Medical Care Center Prof. Mathey, Prof. Schofer, Hamburg University Cardiovascular Center, Germany.
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