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Frozen elephant trunk technique and partial remodeling for acute type A aortic dissection.
MedLine Citation:
PMID:  21511488     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective: The aimed to describe the frozen elephant trunk (FET) technique and partial remodeling (PR) for acute type A aortic dissection (ATAAD), considering the long-term prognosis on the basis of our 13 years of experience. Methods: There were 80 consecutive patients (mean age: 66.4 years) with an FET and PR technique for ATAAD between September 1997 and February 2010. We indicated a PR for all 80 patients without dilatation of the sinuses and a FET for 20 patients with a distal entry in the descending aorta, 14 patients with a dilatation more than 4cm on the distal arch and 46 patients with a narrow true lumen younger than 70 years with a narrow true lumen. During moderate hypothermic circulation with selective cerebral perfusion and distal perfusion from the femoral artery, a stent graft (mean diameter: 27.7mm, mean length: 9.9mm, mean distal depth: thoracic vertebra (Th) 6.0th) was inserted through the transected proximal aortic arch. The plication of the sinotubular junction (N=42) or partial remodeling for right and/or non-coronary cusp (N=38) was performed after total arch replacement with a four-branched prosthesis. Results: Four patients died in hospital. Early morbidity included two (2.5%) strokes but no spinal cord injury. In long-term follow-up (mean 94.6 months), five patients died of non-aortic events and two re-operations (Bentall and stent grafting to the descending aorta) were required. No patients had patent false lumen on the stent graft and residual aortic regurgitation, according to late follow-up computed tomography (CT) and echogram. The 10-year survival was 75% and the overall 10-year re-operation free rate on the thoracic aorta was 95%. Conclusion: FET and modified PR techniques could be effective for improving the long-term outcome on the distal and proximal aorta in an ATAAD.
Authors:
Naomichi Uchida; Akira Katayama; Kentaro Tamura; Miwa Sutoh; Masatsugu Kuraoka; Hiroshi Ishihara
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-19
Journal Detail:
Title:  European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery     Volume:  -     ISSN:  1873-734X     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804069     Medline TA:  Eur J Cardiothorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2011. Published by Elsevier B.V. All rights reserved.
Affiliation:
Division of Cardiovascular Surgery, Hiroshima City Asa General Hospital, Hiroshima, Japan.
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