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Case Series of Aortic Arch Aneurysm in Patients with Bovine Arch Treated with Proximal Scalloped and Fenestrated Stent Graft.

AbstractPURPOSE:
The bovine arch is the most common variant of the aortic arch and occurs when the innominate artery shares a common origin with the left common carotid artery. We report an endovascular repair of aortic arch aneurysm in patients with a bovine arch using the Najuta proximal scalloped and fenestrated stent graft.
MATERIALS AND METHODS:
Thoracic endovascular aneurysm repairs using the Najuta stent graft were performed at our facility. It was inserted and deployed at a zone 0 with precise positional adjustment of the scallop of the stent graft to the brachiocephalic trunk.
RESULTS:
Overall, eight patients with bovine aortic arch were treated with fenestrated endovascular aneurysm repair. Technical success was 100% with no 30-day death. The follow-up period ranged from 7 to 29 (median 12) months. None of the patients had a stroke or paraplegia, and no endoleak was observed. All brachiocephalic trunks scalloped, and the left subclavian artery fenestrated vessels remained patent during the follow-up period.
CONCLUSION:
The Najuta stent graft repair of aortic arch aneurysms in patients with a bovine arch is a safe and effective treatment option, with good immediate and short-term results.
AuthorsNaoki Toya, Takao Ohki, Soichiro Fukushima, Kota Shukuzawa, Eisaku Ito, Yuri Murakami, Tadashi Akiba
JournalCardiovascular and interventional radiology (Cardiovasc Intervent Radiol) Vol. 41 Issue 11 Pg. 1648-1653 (Nov 2018) ISSN: 1432-086X [Electronic] United States
PMID30120530 (Publication Type: Journal Article)
Topics
  • Aged
  • Animals
  • Aorta, Thoracic (abnormalities)
  • Aortic Aneurysm, Thoracic (surgery)
  • Aortography (methods)
  • Blood Vessel Prosthesis
  • Brachiocephalic Trunk (abnormalities)
  • Carotid Artery, Common (abnormalities)
  • Cattle
  • Endovascular Procedures (instrumentation, methods)
  • Equipment Design
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Middle Aged
  • Stents

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