Document Detail


Pull-down technique to allow complete endovascular relining of failed AAA Vanguard endografts with Excluder bifurcated endografts.
MedLine Citation:
PMID:  19362866     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Endovascular replacement of failed Vanguard endoprosthesis with a newly inserted bifurcated Excluder endograft in 6 selected patients over a 10-year period is reported. REPORT: Six male patients were treated by secondary EVAR procedures for endograft failure (type I and/or III endoleaks caused by endograft disintegration and/or migration). All failed endografts (1 tube, 5 bifurcated) were Vanguard prostheses. Technically, a new bifurcated Excluder endograft was placed within the old failing Vanguard endograft. All reinterventions were performed under local anesthesia supplemented by systemic analgesia/sedation. In 3 patients, insertion of the new Excluder endograft was possible without any additional technical measure as the failing Vanguard endograft trunk had migrated distally. In another 3 patients, the failed Vanguard endograft trunk was still in place. In these patients, the Vanguard main body was pulled caudally with a transfemoral cross-over guide wire in order to gain sufficient length to allow the short limb of the Excluder endograft to open within the trunk of the failed Vanguard endoprosthesis. This guide wire was introduced through a second femoral 5F in the main access and exeteriorized with a snare through the contralateral 12 Fr sheath. The main body and short limb of the Excluder was then deployed whilst pulling on the cross-over wire. RESULTS: Six patients initially treated by a Vanguard endograft underwent complete relining with a newly inserted Excluder bifurcated stentgraft. The mean interval from the first EVAR procedure to the described replacement procedure was 75+/-20.2 months (range: 53-109). The new bifurcated Excluder endografts were successfully deployed in all patients (technical success: 100%). Primary sealing (defined as absence of endoleaks type I, III or IV in the postoperative contrast enhanced CT scan) was achieved in 6 of the 6 patients. There was no operative mortality. No further endovascular or open treatment was needed in the other 5 patients. During the mean follow-up period of 26+/-20.1 months (range 2.5-50 months), 2 patients died from unrelated causes. CONCLUSION: Secondary endovascular replacement of failed Vanguard endografts with a bifurcated Excluder endograft proved to be feasible and safe with no 30-day mortality. Technical detail requires traction on a cross-over wire to pull the old graft caudally and create enough space for the new bifurcated graft to be deployed.
Authors:
Z Rancic; T Pfammatter; M Lachat; L Hechelhammer; C Oberkofler; F J Veith; D Mayer
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2009-04-11
Journal Detail:
Title:  European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery     Volume:  38     ISSN:  1532-2165     ISO Abbreviation:  Eur J Vasc Endovasc Surg     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-15     Completed Date:  2009-06-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9512728     Medline TA:  Eur J Vasc Endovasc Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  54-60     Citation Subset:  IM    
Affiliation:
Clinic for Cardiovascular Surgery, University Hospital Zurich, Zurich, CH, Switzerland. zoran.rancic@usz.ch
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Angiography
Angioscopy / methods*
Aortic Aneurysm, Abdominal / radiography,  surgery*
Blood Vessel Prosthesis*
Device Removal / methods*
Follow-Up Studies
Humans
Male
Middle Aged
Prosthesis Failure
Tomography, X-Ray Computed

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


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