Pilot flow simulation links post-Contour aneurysm ostium enlargement to altered intra-aneurysmal hemodynamics

In a pilot in silico study of five intracranial aneurysms, Contour Neurovascular System deployment reduced simulated intra-aneurysmal velocity by 83.5% pre and 72.4% post intervention; ostium area increased 118.7% and altered hemodynamics.

• This retrospective pilot analyzed pre-interventional and 24-hour post-interventional imaging from five intracranial aneurysms, performing 20 image-based flow simulations.
• All cases showed an increase in ostium area (118.7% ± 52.4%) between configurations, while surrounding vessels showed no relevant geometric differences.
• The authors note that larger cohort validation is required before clinical implications can be drawn.

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