Document Detail


Juxta-anastomotic stenosis of native arteriovenous fistulas: surgical treatment versus percutaneous transluminal angioplasty.
MedLine Citation:
PMID:  21058256     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
PURPOSE: Juxta-anastomotic stenosis (JAS) is a complication of arteriovenous fistulas (AVFs). Both surgical revision (SR) and percutaneous transluminal angioplasty (PTA) may correct JAS. In this study we compare the results for SR treatment versus PTA.
METHODS: From January 2005 until December 2008, 66 PTA and 68 SR were performed in 43 and 57 uremic pts with JAS of the native AVF, respectively. Efficacy of SR and PTA was evaluated measuring brachial arterial flow (BAF) by CDU. The Kaplan-Meier table of primary and assisted primary patency was analyzed.
RESULTS: PTA was attempted in 50 patients. PTA failed in 7 patients and they were switched to SR. In 43 pts, PTA produced a favorable effect, with a mean increase of 99 ± 70% (p<0.001) in blood flow. Restenosis occurred in 17 pts: 2 were treated by SR and 15 by PTA. Restenosis occurred again in 6/15 pts: after second restenosis, 5/6 pts received a third PTA with stenting, 1 patient underwent SR. The failure of access occurred after 12-17 months in 3 pts. In 57/57 JAS treated by SR, a new well-functioning fistula was created upstream of the stenosis, with a mean increase of 102 ± 71% in blood flow (p<0.001). Restenosis occurred in 15 pts: 9 were treated by SR and 6 by PTA. Access failure occurred after 3-36 months in 9 pts. The Kaplan-Meier table showed a better primary patency for SR (p<0.05) without difference in assisted primary patency.
CONCLUSIONS: SR showed a better primary patency then PTA, confirming the trend to stenosis relapse after PTA. So, as PTA does not exclude a later correction of the JAS, the similar assisted patency suggests to perform a PTA first, reserving SR for after its failure.
Authors:
Marcello Napoli; Raffaele Prudenzano; Francesco Russo; Assunta Lucia Antonaci; Maria Aprile; Erasmo Buongiorno
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The journal of vascular access     Volume:  11     ISSN:  1724-6032     ISO Abbreviation:  J Vasc Access     Publication Date:    2010 Oct-Dec
Date Detail:
Created Date:  2011-02-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100940729     Medline TA:  J Vasc Access     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  346-51     Citation Subset:  IM    
Affiliation:
Nephrology Unit, V. Fazzi Hospital, Lecce, Italy. marcellonapoli@hotmail.com
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