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P-030 Preliminary Experience with the Neuroform ATLAS stent in Stent-Assisted Aneurysm Coiling
  1. G Ciccio MD,
  2. S Smajda MD,
  3. T Robert MD,
  4. H Redjem MD,
  5. R Blanc MD,
  6. C Ruiz Guerrero,
  7. J Desilles,
  8. H Takezawa,
  9. P Sasannejad,
  10. M Piotin
  1. Interventional Neuroradiology, Fondation Rothschild Hospital, Paris, France


Background and purpose Expandable stents have broadened the spectrum of endovascular treatment of intracranial aneurysms. The Neuroform ATLAS, a nitinol self-expanding, hybrid/open-cell stent, is the evolution of the Neuroform EZ supposing to ease the navigability of the system into intra-cranial arteries, through a low-profile 0.017 inch delivery catheter. We present herein our initial experience in the treatment of intracranial aneurysms with this novel stent.

Materials and methods We compiled data from consecutive patients of our institution from July 2015 to Avril 2016 who underwent stent-assisted coiling with the Neuroform ATLAS. Clinical and angiographic results were analyzed retrospectively.

Results Twenty-seven intracranial saccular aneurysms (12 MCA, 9 AcoA, 4 ICA bifurcation, 1 basilar tip, 1 vertebral-PICA) in 26 patients (17 women, 9 men, mean age 59 years) were consecutively treated. The stent was used in 23 previously untreated aneurysms, and in 4 cases of recanalization. One single stent was used in 11 aneurysms while 16 aneurysms were treated with 2 stents in a “Y” configuration. The immediate post-treatment angiography showed a complete occlusion in 11 cases (40.7%), a residual neck in 3 cases (11.1%) and a residual aneurysmal contrast filling in 13 cases (48.1%). Two complications occurred (7.4%), the first due to an associated aneurysm perforation (mRs 2), and the second due to parent vessel perforation (mRs 6). Both of them occurred after the stent implantation.

Conclusion The Neuroform ATLAS Delivery System is an effective device for treatment of complex intracranial aneurysms, allowing good conformability and stability with a high level of navigability.

Disclosures G. Ciccio: None. S. Smajda: None. T. Robert: None. H. Redjem: None. R. Blanc: None. C. Ruiz Guerrero: None. J. Desilles: None. H. Takezawa: None. P. Sasannejad: None. M. Piotin: None.

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