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In this case report, we describe a patient who was admitted to our department with spontaneous subarachnoid hemorrhage (SAH). Emergency digital subtraction angiography performed on admission revealed no vascular anomalies. One month after SAH onset, a comprehensive multimodal imaging evaluation ultimately confirmed the diagnosis of BAPA. Given the technical challenges in conventional management for this specific case, Traxcess-14 microguidewire-assisted endovascular electrocoagulation was performed as a last-resort therapy. Finally, follow-up imaging at 6 months demonstrated complete resolution of BAPA. Thus, we propose that Traxcess-14 microguidewire-assisted endovascular electrocoagulation may serve as a potential salvage treatment for highly selective BAPA cases in which conventional therapeutic approaches are unfeasible or have failed.<\/jats:p>","DOI":"10.5469\/neuroint.2025.01109","type":"journal-article","created":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T23:41:41Z","timestamp":1768779701000},"page":"53-57","update-policy":"https:\/\/doi.org\/10.5469\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Traxcess-14 Microguidewire-Assisted Electrocoagulation as a Therapeutic Option for Basilar Artery Pseudoaneurysm: A Case Report"],"prefix":"10.5469","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7670-9030","authenticated-orcid":true,"given":"Zifeng","family":"Dai","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9364-5752","authenticated-orcid":true,"given":"Junjun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9333-8048","authenticated-orcid":true,"given":"Jianfei","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-5572-400X","authenticated-orcid":true,"given":"Fanyong","family":"Gong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8781-5701","authenticated-orcid":true,"given":"Shengjun","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3424","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1161\/strokeaha.119.025997"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1007\/s12975-020-00867-0"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2020.00582"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.5152\/eurasianjmed.2019.18422"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1136\/jnis-2022-019355"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1177\/159101990300900207"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2025.1536581"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2016.04.107"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.4103\/sni.sni_452_16"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.4103\/1793-5482.162721"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1177\/1971400916684667"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1177\/15910199231217769"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1177\/1747493016641953"}],"container-title":["Neurointervention"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/neurointervention.org\/upload\/pdf\/neuroint-2025-01109.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/neurointervention.org\/journal\/view.php?doi=10.5469\/neuroint.2025.01109","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/neurointervention.org\/upload\/pdf\/neuroint-2025-01109.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T00:22:35Z","timestamp":1771892555000},"score":1,"resource":{"primary":{"URL":"http:\/\/neurointervention.org\/journal\/view.php?doi=10.5469\/neuroint.2025.01109"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,1]]},"references-count":13,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,3]]}},"URL":"https:\/\/doi.org\/10.5469\/neuroint.2025.01109","relation":{},"ISSN":["2093-9043","2233-6273"],"issn-type":[{"value":"2093-9043","type":"print"},{"value":"2233-6273","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,3,1]]},"assertion":[{"value":"2025-11-27","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-05","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-15","order":2,"name":"published","label":"Published online","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-03-01","order":3,"name":"published","label":"Print publication","group":{"name":"publication_history","label":"Publication History"}}]}}