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KMID : 1103720160740040230
Journal of the Korean Society of Radiology
2016 Volume.74 No. 4 p.230 ~ p.235
Distal Posterior Cerebral Artery Aneurysms: Retrospective Review of Characteristics and Endovascular Treatment
Baek Jin-Wook

Seung Won-Bae
Jeong Hae-Woong
Abstract
Purpose
The objective of this study was to review the clinical outcome after treatment of distal posterior cerebral artery (PCA) aneurysms via endovascular approach.

Materials and Methods
Eleven patients with 11 distal PCA aneurysms who were treated via endovascular approach in Inje University Busan Paik Hospital and Kosin University Gospel Hospital from December 2002 to December 2013 were retrospectively reviewed.

Results
Among the 11 patients, there were 3 males (27.3%) and 8 females (72.7%). The mean age was 56.6 years (range 44?72 years) and the mean aneurysm size was 8.45 mm (3?30 mm). Four (36.4%) aneurysms were located in the P2 segment, 6 (54.5%) in the P3 segment and 1 (9.1%) in the P1/2 junction. Seven (63.6%) aneurysms were treated with preservation of the parent artery; and the remaining 4 (36.4%) aneurysms were treated with parent artery occlusion. After treatment, the overall complication rate was 27% with the morbidity rate of 9.1% and the mortality rate of 18%.

Conclusion
Endovascular treatment of distal PCA aneurysm might be used to minimize neurologic deficit, considering the diverse and rich collaterals of posterior cerebral artery.
KEYWORD
Aneurysm, Posterior Cerebral Artery, Endovascular Techniques
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