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Title: Retrospective review of arteriovenous fistula success rate in a multi-ethnic Asian population
Authors: Thant, KZ 
Quah, K
Ng, TK
Ho, P 
Keywords: Adolescent
Age Factors
Aged, 80 and over
Arteriovenous Shunt, Surgical
Asian Continental Ancestry Group
Chi-Square Distribution
Logistic Models
Middle Aged
Multivariate Analysis
Renal Dialysis
Retrospective Studies
Risk Factors
Time Factors
Treatment Outcome
Ultrasonography, Doppler, Duplex
Upper Extremity
Vascular Patency
Young Adult
Issue Date: 1-Mar-2016
Publisher: SAGE Publications
Citation: Thant, KZ, Quah, K, Ng, TK, Ho, P (2016-03-01). Retrospective review of arteriovenous fistula success rate in a multi-ethnic Asian population. Journal of Vascular Access 17 (2) : 131-137. ScholarBank@NUS Repository.
Abstract: Background: Native vein arteriovenous fistulas (AVFs) are the recommended first-line vascular access in hemodialysis patients. Despite this, AVFs are plagued with unfavorable maturation rates. We conducted a retrospective cohort study to assess the AVF success rate and to identify any significant associating factors. Methodology: Demographic and clinical data of all AVFs created from January 2011 to June 2013 at a single center with a multi-ethnic Asian population, were reviewed. The primary outcome was AVF successfully used for hemodialysis (FUSH) at 6 months. Secondary endpoints were the overall FUSH and actual maturation time of the AVFs. Univariate and multivariate analyses were performed to identify factors associated with AVF success. Results: A total of 375 fistulas were created during the study period (110 radiocephalic, 176 brachiocephalic, 89 brachiobasilic). The mean age was 59.4 ± 12.6 years and 42.9% were females. Seventy-one percent of patients had diabetes, 32.5% had ischemic heart disease and 10.7% had peripheral vascular disease. 246/375 (65.6%) AVFs FUSH by 6 months, and the average AVF maturation time was 16.1 ± 10.7 weeks. Of the 246 AVFs, 11% required secondary procedure to assist their success. Univariate analysis showed that gender (p = 0.035), age (p = 0.018), vein size on pre-operative vein mapping (p = 0.004) and operating surgeon (p = 0.021) were significant factors associated with AVF success. On multivariate analysis, age, pre-operative vein size and operating surgeon were significantly associated with fistula success. Conclusions: Reasonable FUSH rates can be achieved in the study patients. Patient age, pre-operative vein mapping size and operating surgeon were shown to influence AVF success rate.
Source Title: Journal of Vascular Access
ISSN: 11297298
DOI: 10.5301/jva.5000495
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