ArticleFrontiers in neurology
Flow diverter treatment for MCA M1 aneurysms: clinical outcomes and predictors of occlusion.
Article in Frontiers in neurology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The role of flow diverters (FDs) in middle cerebral artery (MCA) M1 aneurysms is not well established. We assessed their safety, efficacy, and predictors of incomplete occlusion. Methods: Consecutive MCA M1 aneurysms treated with FDs (January 2022-May 2024) were retrospectively reviewed. Clinical, imaging, and procedural variables were analyzed for associations with ischemic complications and angiographic outcomes. Results: Fifty-eight patients (mean age 57.5 years; 46.6% female) underwent treatment with Pipeline (56.9%), Tubridge (20.7%), Surpass Evolve (12.1%), or Lattice (10.3%) devices. Postprocedural cerebral ischemia occurred in 25.9% (15/58), significantly more often in ruptured versus unruptured aneurysms (26.7% vs. 2.3%, Conclusion: FDs may be an option for carefully selected MCA M1 aneurysms. Ruptured aneurysms are associated with a markedly higher risk of postoperative ischemic complications, and aneurysm wall enhancement on preoperative MRI independently predicts incomplete aneurysm occlusion after FDs treatment.
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