ArticleBMC cardiovascular disorders2023
Endovascular aortic arch repair with chimney technique for pseudoaneurysm.
Article in BMC cardiovascular disorders, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 8 citations in OpenAlex.
- Feasibility and Early and Midterm Outcomes of Midaortic Syndrome: A Retrospective Cohort Study.Journal of clinical medicine · 2025Article
- Computational Fluid Dynamics-Driven Comparison of Endovascular Treatment Strategies for Penetrating Aortic Ulcer.Journal of clinical medicine · 2025Article
- Case Report: Area of focus in a case of giant aortic arch pseudoaneurysm following fish bone penetration.Frontiers in cardiovascular medicine · 2025Article
- Hybrid and Endovascular Management of Aortic Arch Pathology.Journal of clinical medicine · 2024Review
- Comparative Evaluation of the Short-Term Outcome of Different Endovascular Aortic Arch Procedures.Journal of clinical medicine · 2024Article
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Authors and funding
7 authors at 5 institutions in 2 countries.
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Abstract
backgroundAortic pseudoaneurysm is a life-threatening clinical condition, and thoracic endovascular aortic repair (TEVAR) has been reported to have a relatively satisfactory effect in aortic pathologies. We summarized our single-centre experience using chimney TEVAR for aortic arch pseudoaneurysms with inadequate landing zones.
methodsA retrospective study was conducted from October 2015 to August 2020, 32 patients with aortic arch pseudoaneurysms underwent chimney TEVAR to exclude an aortic lesion and reconstruct the supra-aortic branches, including 3 innominate artery, 12 left common carotid arteries and 29 left subclavian arteries. Follow-up computed tomography was suggested before discharge; at 3, 6, 12 months and yearly thereafter.
resultsThe median age of 32 patients was 68.0 years (range, 28-81) with the mean max diameter of aneurysm of 47.9 ± 12.0 mm. Forty-four related supra-aortic branches were well preserved, and the technical success rate was 100%. The Type Ia endoleaks occurred in 3 (9%) patients. Two patients were lost to follow-up and 4 patients died during the follow-up period. The mean follow-up times was 46.5 ± 14.3 months. One patient died due to acute myocardial infarction just 10 days after chimney TEVAR and the other 3 patients passed away at 1.5 months, 20 months, and 31 months with non-aortic reasons. The 4.5-year survival estimate was 84.4%. The primary patency rate of the target supra-arch branch vessels was 97.7% (43/44), and no other aorta-related reinterventions and severe complications occurred.
conclusionFor aortic arch pseudoaneurysms with inadequate landing zones for TEVAR, the chimney technique seems to be feasible, with acceptable mid-term outcomes, and it could serve as an alternative minimally invasive approach to extend the landing zone. Slow flow type Ia endoleak could be treated conservatively after chimney TEVAR. Additional experience is needed, and the long-term durability of chimney TEVAR requires further follow-up.
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