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Impact of posterior communicating artery on basilar artery steno-occlusive disease.

Hong, JM  | Choi, JY | Lee, JH | Yong, SW  | Bang, OY | Joo, IS  | Huh, K
Journal of neurology, neurosurgery, and psychiatry, 80(12). : 1390-1393, 2009
Journal Title
Journal of neurology, neurosurgery, and psychiatry
BACKGROUND: Acute brainstem infarction with basilar artery (BA) occlusive disease is the most fatal type of all ischaemic strokes. This report investigates the prognostic impact of the posterior communicating artery (PcoA) and whether its anatomy is a safeguard or not.

METHODS: Consecutive patients who had acute brainstem infarction with at least 50% stenosis of BA upon CT angiography (CTA) were studied. The configuration of PcoA was divided into two groups upon CTA: "textbook" group (invisible PcoA with good P1 and P2 segment) and "fetal-variant of PcoA" group (only visible PcoA with absent P1 segment). Baseline demographics, radiological findings and stroke mechanisms were analysed. A multiple regression analysis was performed to predict clinical outcome at 30 days (modified Rankin disability Scale (mRS

RESULTS: Among all 95 patients, 58% (n = 55) had good prognoses (mRS

CONCLUSIONS: Fetal-variant PcoA appears to act as a safeguard against ischaemic insult in acute stroke victims involving the brainstem with BA occlusive disease. This result can be explained by the fact that patients with fetal-variant PcoA have a smaller area of posterior circulation and a possibility of retrograde filling into the upper brainstem through the fetal-variant PcoA.

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Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Journal Papers > School of Medicine / Graduate School of Medicine > Medical Humanities & Social Medicine
Ajou Authors
용, 석우  |  주, 인수  |  허, 균  |  홍, 지만
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