| Retrograde ascending aortic dissection as an early complication of thoracic endovascular aortic repair. | |
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MedLine Citation:
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PMID: 22265798 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Retrograde ascending aortic dissection (rAAD) is a potential complication of thoracic endovascular aortic repair (TEVAR), yet little data exist regarding its occurrence. This study examines the incidence, etiology, and outcome of this event. METHODS: A prospective institutional database was used to identify cases of acute rAAD following TEVAR from a cohort of 309 consecutive procedures from March 2005 (date of initial Food and Drug Administration approval) to September 2010. The database was analyzed for the complication of rAAD as well as relevant patient and operative variables. RESULTS: The incidence of rAAD was 1.9% (6/309); all cases occurred with proximal landing zone in the ascending aorta and/or arch (zones 0-2). All were identified in the perioperative period (range, 0-6 days) with 33% (2/6) 30-day/in-hospital mortality. Eighty-three percent (5/6) underwent emergent repair; one patient died without repair. rAAD patients were similar to the non-rAAD group (n = 303) across pertinent variables, including age, gender, race, and device size (all P > .1). rAAD incidence by aortic pathology was 1.0% (2/200) for aneurysm, 4.4% (4/91) for dissection, and 0% (0/18) for transection; P = .08. rAAD incidence by device was TAG (Gore) 1.0% (2/205), Talent (Medtronic) 4.7% (2/43), and Zenith TX2 (Cook) 3.6% (2/55). rAAD incidence was observed to be higher among patients with an ascending aortic diameter ≥ 4.0 cm (4.8% vs 0.9% for ascending diameter <4.0 cm); P = .047. Incidence was also higher with proximal landing zone in the native ascending aorta (zone 0) 6.9% (2/29) versus 1.4% for all others (4/280); P = .101. For patients with dissection pathology and an ascending aortic diameter ≥ 4.0 cm, 11% (3/28) suffered rAAD; with the combination of native ascending aorta (zone 0) landing zone measuring ≥ 4.0 cm, the incidence was 25% (2/8). Definitive diagnosis was by computed tomography angiography (n = 1), intraoperative transesophageal echocardiography (n = 3), intraoperative arteriography (n = 1), or postmortem autopsy (n = 1). CONCLUSIONS: rAAD is a lethal early complication of TEVAR, which may be more common when treating dissection, with devices utilizing proximal bare springs or barbs for fixation, with native zone 0 proximal landing zone and with ascending aortic diameter ≥ 4 cm. Combinations of these risk factors may be particularly high risk. Intraoperative imaging assessment of the ascending aorta should be conducted following TEVAR to avoid under-recognition. National database reporting of this complication is needed to ensure safety and proper application of emerging TEVAR technology. |
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Authors:
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Judson B Williams; Nicholas D Andersen; Syamal D Bhattacharya; Elizabeth Scheer; Jonathan P Piccini; Richard L McCann; G Chad Hughes |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2012-01-23 |
Journal Detail:
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Title: Journal of vascular surgery Volume: 55 ISSN: 1097-6809 ISO Abbreviation: J. Vasc. Surg. Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-04-30 Completed Date: 2012-06-20 Revised Date: 2013-05-03 |
Medline Journal Info:
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Nlm Unique ID: 8407742 Medline TA: J Vasc Surg Country: United States |
Other Details:
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Languages: eng Pagination: 1255-62 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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Division of Thoracic and Cardiovascular Surgery, Duke University Medical Center, Durham, NC 27710, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aneurysm, Dissecting / diagnosis, etiology*, mortality, surgery Aorta, Thoracic / radiography, surgery*, ultrasonography Aortic Aneurysm / diagnosis, etiology*, mortality, surgery Aortography / methods Blood Vessel Prosthesis Blood Vessel Prosthesis Implantation / adverse effects*, instrumentation, mortality Echocardiography, Transesophageal Endovascular Procedures / adverse effects*, instrumentation, mortality Female Hospital Mortality Humans Incidence Male Middle Aged North Carolina Prosthesis Design Reoperation Risk Assessment Risk Factors Stents Time Factors Tomography, X-Ray Computed Treatment Outcome |
| Grant Support | |
ID/Acronym/Agency:
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T32//PHS HHS; U01 HL088953/HL/NHLBI NIH HHS; U01-HL088953/HL/NHLBI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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