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Clinical Features and Prognosis of Intracranial Artery Dissection

Sikkema, T., Uyttenboogaart, M., Dijk, van, J. M. C., Groen, R. J. M., Metzemaekers, J. D. M., Eshghi, O., Mazuri, A., Bakker, N. A. & Luijckx, G-J., Jun-2015, In : Neurosurgery. 76, 6, p. 663-670 8 p.

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DOI

BACKGROUND: Intracranial artery dissections (IADs) are an important cause of stroke or subarachnoid hemorrhage (SAH). Outcome of IAD in the anterior circulation or presentation without SAH is rarely investigated and might be different.

OBJECTIVE: To evaluate the clinical features and prognosis of patients with IAD, with special emphasis on the location (anterior vs posterior circulation) and clinical presentation (SAH or cerebral ischemia).

METHODS: Between January 1998 and May 2012, 60 patients with IAD were included in this single-center cohort study. Clinical features, functional outcome, mortality, and prognostic factors were evaluated. Unfavorable functional outcome was defined as a modified Rankin scale score of 3 to 6.

RESULTS: In 18 patients (30%), IAD was located in the anterior circulation. At a median follow-up of 6.4 months, 35.3% of patients with IAD in the anterior circulation had an unfavorable functional outcome vs 39.0% in patients with IAD in the posterior circulation (P = .79). Forty-two patients (70%) presented with SAH. Clinical presentation with SAH was not significantly associated with poor functional outcome (41.5% vs 29.4%, P = .39). Low Glasgow Coma Scale score on admission (odds ratio, 0.72, P = .003) and older age (odds ratio, 1.04, P = .04) were independent predictors of unfavorable functional outcome. Mortality rate was 13% and did not significantly differ with location or clinical presentation.

CONCLUSION: Low Glasgow Coma Scale score on admission and older age were independent predictors of unfavorable functional outcome. IAD presenting with SAH was not significantly associated with poor functional outcome.

Original languageEnglish
Pages (from-to)663-670
Number of pages8
JournalNeurosurgery
Volume76
Issue number6
Publication statusPublished - Jun-2015

    Keywords

  • Anterior circulation, Functional outcome, Intracranial artery dissection, Ischemia, Posterior circulation, Subarachnoid hemorrhage, INTERNAL CAROTID-ARTERY, VERTEBRAL ARTERY, ENDOVASCULAR TREATMENT, VERTEBROBASILAR DISSECTION, CEREBRAL-ARTERY, ANEURYSMS, MANAGEMENT, OUTCOMES, RECURRENCE

ID: 16351380