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Weng, Shih-Hsien, MD; Weng, Chi-Feng, MD; Chen, Wei-Yuan, MD; Huang, Chun-Yang, MD; Chen, I-Ming, MD; Chen, Chun-Ku, MD; Hsu, Chiao-Po, MD, PhD; Shih, Chun-Che, MD, PhD
Journal of vascular surgery, 2013, January 2013, 2013-Jan, 2013-01-00, 20130101, Letnik: 57, Številka: 1Journal Article
Objective Stent graft-induced new entry (SINE) has been increasingly observed after thoracic endovascular aortic repair (TEVAR) for aortic dissection. We investigated the mechanism of late distal SINE, prevention strategies, proper size selection of the stent graft, and implantation sequence. Methods From November 2006 to May 2011, 99 patients with aortic dissection underwent TEVAR with Zenith TX2 stent grafts (Cook, Bloomington, Ind) at our center. Among them, 27 distal SINEs were recognized. Eight of these patients with complicated distal SINE required intervention with new distal endografts, and all were enrolled for further analysis. Results Eight of the 27 patients with distal SINE underwent a secondary endograft procedure from February 2011 to July 2011. All were successfully treated without any complications or deaths. A high taper ratio (35% ± 11%) and excessive oversizing of the true lumen area at the distal stent level (293% ± 76%) were noted among these patients. Conclusions The incidence of distal SINE seemed to be high; however, there were also low rates of death and complications after TEVAR for aortic dissection using stainless steel-based stent grafts. Complicated distal SINE can successfully be resolved by distal endograft implantation. Excessive oversizing of the distal stent graft, as measured by the true lumen area, may be a significant factor causing delayed distal SINE. Precise size selection is crucial for the distal end of the stent, especially for high taper ratio dissection pathology in which the implantation sequence of a distal small-sized stent graft first might be considered to prevent future distal SINE.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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