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KMID : 0364020110440010025
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Korean Journal of Thoracic and Cardiovascular Surgery
2011 Volume.44 No. 1 p.25 ~ p.31
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Clinical Analysis of Hemodialysis Vascular Access: Comparision of Autogenous Arterioveonus Fistula & Arteriovenous Prosthetic Graft
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Kim Duk-Sil
Kim Sung-Wan
Kim Jun-Chul
Cho Ji-Hyung
Kong Joon-Hyuk
Park Chang-Ryul
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Abstract
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Background: Mature autogenous arteriovenous fistulas have better long term patency and require fewer secondary interventions compared to arteriovenous prosthetic graft. Our Study evaluated vascular patency rates and incidence of interventions in autogenous arteriovenous fistulas and grafts.
Material and Methods: A total of 166 vascular access operations were performed in 153 patients between December 2002 and November 2009. Thirty seven caeses were excluded due to primary access failure and loss of follow-up. One group of 92 autogenous arterioveous fistulas and the other group of 37 arteriovenous prosthetic grafts were evaluated retrospectively. Primary and secondary patency rates were estimated using the Kaplan-Meier method.
Results: The primary patency rate (84%, 67%, 51% vs. 51%, 22%, 9% at 1, 3, 5 year; p=0.0000) and secondary patency rate (96%, 88%, 68% vs. 88%, 65%, 16% at 1. 3, 5 year; p=0.0009) were better in autogenous fistula group than prosthetic graft group. Interventions to maintain secondary patency were required in 23% of the autogenous fistula group (average 0.06 procedures/patient/year) and 65% of prosthetic graft group (average 0.21 procedures/patient/year). So the autogenous fistula group had fewer intervention rate than prosthetic graft group (p=0.01) The risk factor of primary patency was diabetus combined with ischemic heart disease and the secondary patency’s risk factor was age.
Conclusion: Autogenous arteriovenous fistulas showed better performance compared to prosthetic grafts in terms of primary & secondary patency and incidence of interventions.
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KEYWORD
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Fistula, Graft, Vascular patency
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