ArticleEuropean journal of radiology open2026
Preliminary results of 3D MRI-DSA fusion for navigation planning in endovascular recanalization of chronic intracranial artery occlusion.
Article in European journal of radiology open, 2026. 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: Chronic intracranial artery occlusion (CIAO) is a critical non-acute manifestaticon within the spectrum of intracranial atherosclerotic disease (ICAD). In Asian populations, ICAD is common and remains associated with substantial recurrent ischemic risk despite best medical therapy, making endovascular recanalization an important but technically challenging intervention due to the limitations of conventional 2D DSA guidance. This study explores an innovative method integrating high-resolution vessel wall imaging (HR-VWI) plaque characteristics with DSA to provide anatomical guidance for navigation planning. Materials and methods: We utilized a fusion approach using HR-VWI Results: Fusion success was achieved in all cases (100%, 95% CI: 63.1%-100%) with submillimeter accuracy. The method facilitated initial visualization of occluded vessel anatomy and plaque characteristics, with a mean registration accuracy of 0.3 ± 0.1 mm, enabling early suspicion of complications. Recanalization succeeded in 7 of 8 patients (87.5%), with one perforation suspected based on overlay mismatch and immediately confirmed by microcatheter injection and managed without lasting sequelae. Conclusion: These preliminary investigations suggest that integrating HR-VWI plaque characteristics with DSA
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