{
  "abstract": "Introduction To evaluate a volumetric imaging-based sizing strategy for the Artisse device and explore its generalizability to other intrasaccular implants with adjusted compression thresholds.Aim of study Patients with wide-neck aneurysms treated with the Artisse device were retrospectively analyzed. Aneurysm sac volumes were calculated using 3D rotational angiography and segmentation. Final device size was compared to volume-based recommendations tailored to the device’s compression profile. Procedural performance, packing conformance, and early occlusion (mRRC/WOS score) were evaluated.Method Patients with wide-neck aneurysms treated with the Artisse device were retrospectively analyzed. Aneurysm sac volumes were calculated using 3D rotational angiography. Final device size was selected based on volume-derived targets adjusted for Artisse’s compression profile. Procedural performance, packing conformance, and early occlusion (mRRC score) were assessed. Follow-up evaluated compaction or incomplete occlusion.Results Twelve aneurysms were treated, including five ruptured cases. Volumetric sizing was used prospectively to avoid undersizing. The median compression rate achieved was 25%, aligning with the target for axial stability. All but one devices were successfully deployed without repositioning. Early follow-up showed complete or near-complete occlusion (mRRC 1–2) in most cases, with no early compaction observed. The method is adaptable to other devices by adjusting for their compression characteristics.Conclusion Volumetric sizing provides a personalized, geometry-based strategy for intrasaccular device selection. By targeting compression ratios essential for axial stability, it may improve outcomes and durability. Sizing principles will be presented to support broader neurointerventional adoption.Conflict of Interest No",
  "authors": [
    {
      "affiliations": [
        "Karolinska University Hospital, Stockholm, Sweden"
      ],
      "name": "Alex Szolics"
    }
  ],
  "title": "A174 Precision packing: a volumetric imaging approach to sizing endosaccular devices for axial stability in intracranial aneurysms",
  "uid": "0915058d-ae4b-5076-bc00-975f357ac907"
}