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Estimation of the number of feeding arteries of spinal arteriovenous malformations by using three-dimensional digital subtraction angiography

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Title: Estimation of the number of feeding arteries of spinal arteriovenous malformations by using three-dimensional digital subtraction angiography
Authors: Takamiya, Soichiro Browse this author
Osanai, Toshiya Browse this author →KAKEN DB
Seki, Toshitaka Browse this author
Fujima, Noriyuki Browse this author →KAKEN DB
Hida, Kazutoshi Browse this author →KAKEN DB
Asano, Takeshi Browse this author
Yamazaki, Kazuyoshi Browse this author
Hamauchi, Shuji Browse this author
Sasamori, Toru Browse this author →KAKEN DB
Ono, Kota Browse this author →KAKEN DB
Terasaka, Shunsuke Browse this author →KAKEN DB
Houkin, Kiyohiro Browse this author →KAKEN DB
Keywords: Spinal arteriovenous malformations
F/D ratio
Perimedullary AVF
Intramedullary AVM
Issue Date: Apr-2019
Publisher: Springer
Journal Title: European spine journal
Volume: 28
Issue: 4
Start Page: 842
End Page: 848
Publisher DOI: 10.1007/s00586-018-5852-1
PMID: 30535513
Abstract: Purpose Spinal angiography is the gold standard for evaluation or diagnosis of spinal arteriovenous malformations (AVMs). However, some feeding arteries might be overlooked when multiple feeders exist. This study aimed to retrospectively review cases of spinal intra-dural AVMs, which were identified by three-dimensional digital subtraction angiography (3D-DSA), and attempted to estimate the number of feeding arteries.Methods We retrospectively reviewed patients with spinal intra-dural AVMs who underwent 3D-DSA at Hokkaido University Hospital from January 2005 to December 2016. We selected 9 patients in whom we could obtain data of multi-planar reconstruction of 3D-DSA. We measured the computed tomography (CT) values of feeding arteries and draining veins. The CT values represented the averages of maximum CT values of 5 continuous axial slices. The ratio of the CT value of feeders to that of drainers (F/D ratio) was calculated. The correlation between the F/D ratio and the number of feeders was examined with Pearson's correlation coefficient.Results The average number of feeders was 2.3 (1-4), and the number of feeders was significantly positively correlated with the F/D ratio (r=0.855, P=.003).Conclusions We conclude that the number of feeding arteries of spinal intra-dural AVMs can be estimated by using the F/D ratio obtained from 3D-DSA.
Rights: The final publication is available at
Type: article (author version)
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長内 俊也

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