{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T00:49:35Z","timestamp":1782348575337,"version":"3.54.5"},"reference-count":27,"publisher":"Korean Society of Interventional Neuroradiology","issue":"2","license":[{"start":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T00:00:00Z","timestamp":1780617600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82472085"],"award-info":[{"award-number":["82472085"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["neurointervention.org"],"crossmark-restriction":true},"short-container-title":["Neurointervention"],"published-print":{"date-parts":[[2026,7,1]]},"abstract":"<jats:p>Purpose: To evaluate the clinical outcomes of endovascular treatment for ruptured vertebral artery dissecting aneurysms (VADAs), with a focus on endovascular protocols tailored to different anatomical subtypes.Materials and Methods: We retrospectively analyzed 44 consecutive patients with ruptured VADAs treated from December 2014 to October 2024. Treatment strategies were guided by aneurysm location: parent artery occlusion (PAO) was used for lesions in non-dominant VAs, while stent-assisted coiling (SAC) reconstruction was used for aneurysms in dominant VAs. Patients were stratified by modified Rankin Scale (mRS) scores at 3-month follow-up (favorable: mRS 0\u20132; unfavorable: mRS 3\u20136).Results: All procedures were technically successful, including 12 single SAC, 13 overlapping SAC, and 19 with PAO (2 involving posterior inferior cerebellar artery preservation). Immediate complete occlusion was achieved in 50.0% of single SAC cases, 76.9% overlapping SAC, and 100% in the PAO group. Six (13.6%) procedure-related complications occurred, including 2 hemorrhagic and 4 ischemic events. Thirty patients (68.2%) had favorable outcomes, and the unfavorable outcomes group showed a higher incidence of ischemic events (P=0.012). An initial poor Hunt\u2013Hess grade (\u2265IV) was an independent risk factor for unfavorable outcomes (odds ratio 6.35, 95% confidence interval 1.24\u201332.59; P=0.027). Angiographic follow-up was performed for 34 aneurysms, with complete occlusion achieved in 32 (94.1%); the remaining 2 patients were retreated.Conclusion: Endovascular management is safe and effective for ruptured VADAs. Anatomical stratification\u2014PAO for non-dominant VA lesions and SAC for dominant VA aneurysms\u2014may help achieve favorable outcomes.<\/jats:p>","DOI":"10.5469\/neuroint.2026.00381","type":"journal-article","created":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T07:53:16Z","timestamp":1780645996000},"page":"70-78","update-policy":"https:\/\/doi.org\/10.5469\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Strategies and Outcomes of Endovascular Treatment for Ruptured Vertebral Artery Dissecting Aneurysms: A Single-Center Experience with 44 Consecutive Cases"],"prefix":"10.5469","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-8964-4354","authenticated-orcid":true,"given":"Haibin","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Interventional Radiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-3691-7856","authenticated-orcid":true,"given":"Qi","family":"Jia","sequence":"additional","affiliation":[{"name":"Neurointerventional Center, Affiliated Hospital of Nantong University, Nantong, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-0207-1440","authenticated-orcid":true,"given":"Guosai","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Interventional Radiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1578-6566","authenticated-orcid":true,"given":"Linbo","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Interventional Radiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4058-4413","authenticated-orcid":true,"given":"Sheng","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Interventional Radiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 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