Implantation sequence modification averts distal stent graft-induced new entry after endovascular repair of Stanford type B aortic dissection

I. Ming Chen, Chun Yang Huang, Shih Hsien Weng, Ping Yi Lin, Po Lin Chen, Wei Yuan Chen, Chun Che Shih

研究成果: 雜誌貢獻文章同行評審

18 引文 斯高帕斯(Scopus)

摘要

Objective This study investigated predisposing factors of distal stent graft-induced new entry (SINE). Methods Data from November 2006 to May 2012 were abstracted retrospectively from the records of 73 patients with complicated type B aortic dissection who had received stent graft treatment in our institution. Diameters of the true and false lumen, area and circumference of the true lumen, prestent and poststent oversize, taper, and mismatch ratio were recorded and analyzed to see if there were any significant differences between the SINE (n = 19) and non-SINE (n = 54) population and between those in whom the initial endograft was inserted from the proximal thoracic aorta (n = 49) or the distal thoracic aorta (n = 24). Results A distal-first sequence of stent graft deployment produced significantly fewer instances of distal SINE. The area oversizing ratio of the distal end of the stent graft was greater in the SINE vs non-SINE groups (3.76 ± 1.7 vs 2.63 ± 2.57; P =.002) and in the proximal-first vs distal-first deployment sequence groups (3.67 ± 2.57 vs 1.39 ± 0.90; P < .001). Conclusions Minimizing the preprocedure distal oversizing ratio with a distal small graft-first procedure could reduce the risk of late distal SINE for Stanford type B aortic dissection. Furthermore, the area ratio is a potentially more sensitive modality for size assessment and prediction of distal SINE occurrence.

原文英語
頁(從 - 到)281-288
頁數8
期刊Journal of Vascular Surgery
64
發行號2
DOIs
出版狀態已發佈 - 八月 1 2016
對外發佈Yes

ASJC Scopus subject areas

  • Surgery
  • Cardiology and Cardiovascular Medicine

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