Document Detail

Influence of infrarenal neck length on outcome of endovascular abdominal aortic aneurysm repair.
MedLine Citation:
PMID:  17042668     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the influence of the infrarenal neck length on clinical outcome after endovascular abdominal aortic aneurysm repair (EVAR). METHODS: Data were analyzed from 3499 patients enrolled in the EUROSTAR registry between January 1999 and April 2005 who underwent EVAR with a Talent or Zenith endograft and had detailed morphological data recorded. The study cohort was divided into 3 groups according to infrarenal neck length: >15 mm (reference group A, n=2822), 11 to 15 mm (group B, n=485), and < or =10 mm (group C, n=192). Uni- and multivariate analyses were performed to evaluate differences in clinical outcomes among the study groups. RESULTS: After correction for confounders, proximal type I endoleak within 30 days occurred in 10.9% of group C compared to 2.6% of group A (OR 4.46, 95% CI 2.61 to 7.61). Within 48 months of follow-up (median 12 months), the incidence of proximal endoleaks was higher in groups B (9.6%; HR 1.98, 95% CI 1.16 to 3.38) and C (11.3%; HR 2.132, 95% CI 1.17 to 4.60) compared to group A (3.4%). CONCLUSION: Our study indicates that endovascular treatment of abdominal aortic aneurysms with infrarenal neck length <15 mm is associated with significantly increased risk of short- and midterm proximal endoleaks after EVAR. The greater risk of proximal endoleaks should be weighed against the risks of alternative treatment modalities.
Lina J Leurs; Jur Kievit; Pieter C Dagnelie; Patty J Nelemans; Jacob Buth;
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study    
Journal Detail:
Title:  Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists     Volume:  13     ISSN:  1526-6028     ISO Abbreviation:  J. Endovasc. Ther.     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-10-17     Completed Date:  2007-02-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100896915     Medline TA:  J Endovasc Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  640-8     Citation Subset:  IM    
Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands.
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MeSH Terms
Aged, 80 and over
Analysis of Variance
Aortic Aneurysm, Abdominal / surgery*
Blood Vessel Prosthesis Implantation* / adverse effects,  instrumentation
Follow-Up Studies
Prosthesis Design / instrumentation
Time Factors
Tomography, X-Ray Computed
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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