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CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2017; 75(07): 429-432
DOI: 10.1590/0004-282X20170054
ARTICLES

The association of the circle of Willis anomaly and risk of stroke in patients with carotid artery disease

A associação de anomalia de Círculo de Willis e o risco de AVC em pacientes com doença carotídea
Eylem Özaydın Göksu
1   Antalya Education and Research Hospital, Department of Neurology, Antalya, Turkey;
,
Pınar Koç
2   Antalya Education and Research Hospital, Department of Radiology, Antalya, Turkey;
,
Elif Küçükseymen
1   Antalya Education and Research Hospital, Department of Neurology, Antalya, Turkey;
,
Ali Ünal
3   Akdeniz University, Department of Neurology, Antalya, Turkey.
,
Fatma Genç
1   Antalya Education and Research Hospital, Department of Neurology, Antalya, Turkey;
,
Elif Sarıönder Gencer
1   Antalya Education and Research Hospital, Department of Neurology, Antalya, Turkey;
,
Aylin Yaman
1   Antalya Education and Research Hospital, Department of Neurology, Antalya, Turkey;
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ABSTRACT

The circle of Willis is an important collateral system that maintains perfusion to the stenotic area from the contralateral carotid and basilar artery to the region of reduced brain perfusion. The aim of the present study was to compare the circle of Willis anomaly in patients with unilateral symptomatic and asymptomatic carotid artery disease.

Results

In this retrospective study, we analyzed 175 patients who presented at our outpatient stroke clinic between January, 2013 and June, 2015 with either unilateral symptomatic or asymptomatic carotid artery disease, and who had had CT angiography imaging performed. Demographic properties, carotid artery stenosis and the anomaly of the circle of Willis was recorded.

Conclusion

There was no statistically significant difference in patients with symptomatic and asymptomatic carotid artery disease in terms of the anomaly of the circle of Willis.

RESUMO

O Círculo de Willis é um importante sistema colateral que mantém a perfusão à área estenótica da carótida contralateral e da artéria basilar para a região de perfusão cerebral reduzida. O objetivo do presente estudo foi comparar a anomalia do Círculo de Willis em pacientes com doença carotídea assintomática e sintomática unilateral.

Resultados

Neste estudo retrospectivo, foram analisados 175 pacientes que foram à nossa clínica ambulatorial de AVC, entre janeiro de 2013 e junho de 2015, com doença carotídea assintomática ou sintomática unilateral, e que fizeram angiografia por tomografia computadorizada. Propriedades demográficas, estenose da artéria carótida e anomalia do Círculo de Willis foram registradas.

Conclusão

Não houve diferença estatisticamente significativa em pacientes com doença carotídea sintomática e assintomática em termos de anomalia do Círculo de Willis.

circle of Willis - carotid artery diseases - stroke - angiography
círculo de Willis - doença das artérias carótidas - acidente vascular cerebral - angiografia


Publication History

Received: 18 July 2016

Accepted: 14 February 2017

Article published online:
05 September 2023

© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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