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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES VASCULAR SECTION
The Journal of Cardiovascular Surgery 2008 June;49(3):317-22
Top-fenestrating technique in stentgrafting of aortic diseases with mid-term follow-up
Larzon T., Eliasson K., Gruber G.
Department of Surgery Örebro University Hospital, Örebro, Sweden
Aim. As a consequence of the rapid growth of thoracic and abdominal endovascular aneurysm repair management of aortic branches has come into focus. The top-fenestrating technique can be used where one or two of the renal arteries, the left carotid artery or the left subclavian artery, have deliberately been covered by a stent-graft and immediately reopened by a preplaced stent. The aim of this study is to evaluate whether this technique is feasible and durable.
Methods. Registry study on 24 patients endovascular repaired with the top-fenestrating technique between September 2004 and January 2008. Elective operations were performed in 15 patients and acute procedures in nine. The median neck length for the patients having a carotid stent was 0 mm, range -18-15, related to the left subclavian artery and median 11 mm, range 0-31 mm, for those having a renal stent. Altogether 25 stents were used.
Results. There were two postoperative deaths. One patient died from a cardiac infarction and the other, a ruptured thoracic aortic aneurysm, had a major stroke. Median follow-up time was 17 months (range 1-40 months). Two patients died during follow-up from no-aneurysm related reasons. One type I endoleak was solved with a secondary intervention. Two patients had type II endoleak, which was not treated. After 12 months, 71% of the aneurysms had significantly decreased in size. None of the aneurysms had increased. There were no stent-graft migrations in the entire group. None of the stented branches was lost during follow-up.
Conclusion. The top-fenestrating technique is feasible in short aortic necks and results are durable in a mid-term follow-up perspective.