Impact of cuffed, expanded polytetrafluoroethylene dialysis grafts on graft outlet stenosis

Yun Hen Liu, Yen Ni Hung, Hung Chang Hsieh, Po Jen Ko

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Background: The objective of this study was to determine prospectively the difference between the graft outlet strictures of a polytetrafluoroethylene (ePTFE) graft with a cuff at the graft-vein anastomosis (Venaflo; Bard industries, Tempe, Ariz.) and that of the regular ePTFE graft (Stretch Gore-Tex; Gore, Flagstaff, Ariz.) placed for hemodialysis access. Methods: Between January and April 2005, 36 consecutive patients (average age: 63.3 years) underwent ePTFE graft implantation (36 implantations) for hemodialysis at the Vascular Surgery Section of Chang Gung Memorial Hospital. The patients of the study cohort were randomly assigned to two groups based on the graft used: cuffed graft group (Venaflo graft) and non-cuffed standard graft group (Gore-Tex graft). Each patient underwent antegrade venography at the 3-month follow-up to demonstrate the graft outlet stricture. Results of the graft outlet angiography analysis were examined, and all medical records were reviewed at end of the study. The degree of the graft outlet stenosis was compared between the two groups. Results: Average stenosis of the cuffed graft group and non-cuffed (standard) graft group were 22.76 ± 26.37%% and 44.95 ± 27.48%%, respectively; the difference between the two groups was statistically significant (P <0.05). Conclusions: The graft outlet stricture of cuffed ePTFE grafts for hemodialysis 3 months after implantation was less severe than that for the standard ePTFE graft. The correlation between the stricture level and dialysis graft patency requires further clarification.

Original languageEnglish
Pages (from-to)2290-2294
Number of pages5
JournalWorld Journal of Surgery
Volume30
Issue number12
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

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Polytetrafluoroethylene
Dialysis
Pathologic Constriction
Transplants
Renal Dialysis
Phlebography

ASJC Scopus subject areas

  • Surgery

Cite this

Impact of cuffed, expanded polytetrafluoroethylene dialysis grafts on graft outlet stenosis. / Liu, Yun Hen; Hung, Yen Ni; Hsieh, Hung Chang; Ko, Po Jen.

In: World Journal of Surgery, Vol. 30, No. 12, 12.2006, p. 2290-2294.

Research output: Contribution to journalArticle

Liu, Yun Hen ; Hung, Yen Ni ; Hsieh, Hung Chang ; Ko, Po Jen. / Impact of cuffed, expanded polytetrafluoroethylene dialysis grafts on graft outlet stenosis. In: World Journal of Surgery. 2006 ; Vol. 30, No. 12. pp. 2290-2294.
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abstract = "Background: The objective of this study was to determine prospectively the difference between the graft outlet strictures of a polytetrafluoroethylene (ePTFE) graft with a cuff at the graft-vein anastomosis (Venaflo; Bard industries, Tempe, Ariz.) and that of the regular ePTFE graft (Stretch Gore-Tex; Gore, Flagstaff, Ariz.) placed for hemodialysis access. Methods: Between January and April 2005, 36 consecutive patients (average age: 63.3 years) underwent ePTFE graft implantation (36 implantations) for hemodialysis at the Vascular Surgery Section of Chang Gung Memorial Hospital. The patients of the study cohort were randomly assigned to two groups based on the graft used: cuffed graft group (Venaflo graft) and non-cuffed standard graft group (Gore-Tex graft). Each patient underwent antegrade venography at the 3-month follow-up to demonstrate the graft outlet stricture. Results of the graft outlet angiography analysis were examined, and all medical records were reviewed at end of the study. The degree of the graft outlet stenosis was compared between the two groups. Results: Average stenosis of the cuffed graft group and non-cuffed (standard) graft group were 22.76 ± 26.37{\%}{\%} and 44.95 ± 27.48{\%}{\%}, respectively; the difference between the two groups was statistically significant (P <0.05). Conclusions: The graft outlet stricture of cuffed ePTFE grafts for hemodialysis 3 months after implantation was less severe than that for the standard ePTFE graft. The correlation between the stricture level and dialysis graft patency requires further clarification.",
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