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

  • Soichiro Takamiya
  • Toshiya OsanaiEmail author
  • Toshitaka Seki
  • Noriyuki Fujima
  • Kazutoshi Hida
  • Takeshi Asano
  • Kazuyoshi Yamazaki
  • Shuji Hamauchi
  • Toru Sasamori
  • Kota Ono
  • Shunsuke Terasaka
  • Kiyohiro Houkin
Original Article

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.

Graphical abstract

These slides can be retrieved under Electronic Supplementary Material.

Keywords

Spinal arteriovenous malformations 3D-DSA F/D ratio Estimation Perimedullary AVF Intramedullary AVM 

Notes

Compliance with ethical standards

Conflict of interest

None of the authors has any potential conflict of interest.

Supplementary material

586_2018_5852_MOESM1_ESM.pptx (164 kb)
Supplementary material 1 (PPTX 164 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Soichiro Takamiya
    • 1
  • Toshiya Osanai
    • 1
    Email author
  • Toshitaka Seki
    • 1
  • Noriyuki Fujima
    • 2
  • Kazutoshi Hida
    • 3
  • Takeshi Asano
    • 4
  • Kazuyoshi Yamazaki
    • 1
  • Shuji Hamauchi
    • 1
  • Toru Sasamori
    • 3
  • Kota Ono
    • 5
  • Shunsuke Terasaka
    • 1
  • Kiyohiro Houkin
    • 1
  1. 1.Department of Neurosurgery, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
  2. 2.Department of Diagnostic and Interventional RadiologyHokkaido University HospitalSapporoJapan
  3. 3.Department of NeurosurgerySapporo Azabu Neurosurgical HospitalSapporoJapan
  4. 4.Department of NeuroendovascularChiba Medical CenterChibaJapan
  5. 5.Clinical Research and Medical Innovation CenterHokkaido University HospitalSapporoJapan

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