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The impact of bird-beak configuration on aortic remodeling of distal arch pathology after thoracic endovascular aortic repair with the Zenith Pro-Form TX2 thoracic endograft

Tuesday, January 7, 2014

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Source

Source Name: Journal of Vascular surgery

Author(s)

Hung-Lung Hsu, Chun-Ku Chen, Po-Lin Chen, I-Min Chen, Chiao-Po Hsu, Chih-Wen Chen, Chun-Che Shih et al.

The authors reviewed their experience with the stainless steel-based graft - Zenith Pro-Form TX2 stent grafts (Cook Medical, Bloomington) - in treating aoertic pathology involving the distal arch.
They compared 19 patients so grafted to 19 patints treated with  Zenith Z-Trak stent grafts.
CTA scans were analyzed at baseline, and then at 1, 6, and 12 months postoperatively. Arch angulation and bird-beak configuration were evaluated according to sealing zones of attachment.
The treated diseases included chronic type B dissections and degenerative aneurysmal disease.
The authors conclude that aortic remodeling after stainless steel stent grafting of aortic pathology is a continuous process with significant aortic arch transformation over zone 2 and left subclavian artery.
In the Pro-Form platform, a preoperative zone 2 angle <151.1° was a better estimation of the presence of a postoperative bird-beak configuration

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