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Eight patients with Stanford type B aortic dissection involving the left subclavian artery were treated from March 2023 to May 2024 at Yinzhou People\u2019s Hospital using a reserved guide wire external fenestration and a Viabahn-covered stent. This study compared a novel external fenestration technique (reserved guide wire\u2009+\u2009Viabahn stent) with traditional in-situ fenestration for Stanford type B aortic dissection involving the left subclavian artery. Clinical data showed that the new method achieved full technical success in vessel reconstruction, with no postoperative deaths, minimal complications, and shorter hospital stay versus the conventional approach. The fenestration complication incidence was also significantly reduced during a follow-up period of 1\u20133 months. Studies on larger samples can be performed in the future to verify the present results. External stent fenestration with a reserved guide wire demonstrated significant efficacy in treating large-branch artery disease, resulting in substantial improvements in prognosis in terms of complications. Therefore, this technique is worthy of further exploration.<\/jats:p>","DOI":"10.1177\/03000605261431946","type":"journal-article","created":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T02:16:07Z","timestamp":1774318567000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical use of reserved guide wire fenestration and Viabahn-covered stent in Stanford type B aortic dissection with left subclavian artery involvement"],"prefix":"10.1177","volume":"54","author":[{"given":"Haoxiang","family":"Zhu","sequence":"first","affiliation":[{"name":"Department of Vascular Surgery, The Affiliated People\u2019s Hospital of Ningbo University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9793-7314","authenticated-orcid":false,"given":"Huipeng","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Vascular Surgery, The Affiliated People\u2019s Hospital of Ningbo University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,3,23]]},"reference":[{"key":"e_1_3_9_2_2","unstructured":"Han JM. 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Comparative meta-analysis of the efficacy of Stanford B intersectional hybridization for left subclavian artery reconstruction and total endovascular repair. 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