Why the study?
Does M1 ICA flow diversion safely achieve aneurysm occlusion in medium-sized unruptured ICA bifurcation aneurysms with unfavorable morphology for coiling?
Does M1 ICA flow diversion safely achieve aneurysm occlusion in medium-sized unruptured ICA bifurcation aneurysms with unfavorable morphology for coiling?
M1 ICA flow diversion appears to be a viable and safe treatment for medium-sized unruptured ICA bifurcation aneurysms unsuitable for coiling, provided favorable collateral anatomy exists.
May support M1 flow diversion in select aneurysms with favorable collaterals; hypothesis-generating and requires prospective validation.
Medium-sized unruptured ICA bifurcation aneurysms with unfavorable morphology for coiling can be treated with M1 ICA flow diversion. Aneurysm occlusion is associated with flow modifications of the covered A1 that seems safe in the presence of a favorable collateral anatomy through the anterior communicating artery complex.
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Cagnazzo et al. (2021) studied this question.
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