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Eur J Neurol. 2007 Jun;14(6):672-8.

Timing of stenting of symptomatic carotid stenosis is predictive of 30-day outcome.

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Department of Neurology, Academic Teaching Hospital Wagner-Jauregg Linz, Austria.


For patients with symptomatic carotid stenosis, benefit from carotid artery stenting (CAS) highly depends on the 30-day stroke and death rates. Identification of predictors of unfavourable outcome would help guide the patient selection. We analysed the influence of clinical and angiographic factors on the 30-day outcomes of 77 consecutive patients who underwent CAS for > or = 60% symptomatic carotid stenosis within 180 days of transient ischaemic attack or moderate stroke (modified Rankin Scale score < or = 3). The 30-day composite end-point for stroke (7.8%) and death of any cause (1.3%) was 9.1%. Patients with complicated CAS were older than patients with uncomplicated CAS (mean age 75.1 +/- 8.2 vs. 65.9 +/- 9.5 years, P = 0.015) and underwent stenting significantly earlier after the qualifying event: median delay 1.5 weeks (range: 0.2-3.0) vs. 3.2 weeks (range: 0.5-26), P = 0.004. In multivariate logistic regression analyses, age [odds ratio (OR) = 1.148; 95% confidence interval (CI): 1.011-1.304 and P = 0.033] and delay of treatment < 2 weeks (OR = 22.399; 95% CI: 2.245-223.445 and P = 0.008) remained the only variables significantly associated with 30-day outcome. CAS carries a considerable risk in old patients and when performed early (< 2 weeks) after the qualifying event. Future reports should address the timing of CAS.

[Indexed for MEDLINE]

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