Risk factors for arteriovenous fistula dysfunction in hemodialysis patients: a retrospective study

Author:

Zhang Fan,Li Jiali,Yu Jie,Jiang Yang,Xiao Hailang,Yang Yiya,Liang Yumei,Liu Kanghan,Luo Xun

Abstract

AbstractArteriovenous fistula (AVF) is the first choice of vascular access in hemodialysis (HD) patients. However, the correlations between patient factors and the arteriovenous fistula patency remain unclear. Therefore, our study investigates the risk factors associated with AVF dysfunction in HD patients. A total of 233 end-stage renal disease (ESDR) patients who met the study inclusion criteria in the Nephrology Department of Hunan Provincial People’s Hospital between December 2020 and June 2022 were included in this study. The baseline demographic, clinical and laboratory parameters were collected at the time of AVF creation and analyzed. Of the 233 ESRD patients, 146 (62.7%) were male and the mean age was 56.11 ± 12.14 (21–82) years. The patients were followed for a median time of 14 months. Kaplan–Meier analysis showed a 6-, 12- and 24-month post-placement survival of 87.1%, 82.8% and 80.7%, respectively. Univariate Cox regression analysis revealed weight (HR, 1.03; P = 0.03) as a predictor for the loss of vascular access functionality. In addition, multivariate Cox regression analysis further demonstrated that sex (HR, 3.41; P = 0.03), weight (HR 1.08; P < 0.01) and phosphorus level (HR: 3.03; P = 0.01) are independent risk factors for AVF dysfunction. AVF dysfunction is highly associated with several risk factors including weight, phosphorus level, and sex. Positive intervention strategies targeting these potential factors, such as weight loss or oral phosphate binders could improve the long-term success of AVF.

Funder

Natural Science Foundation of Hunan Province of China

Hunan Provincial People’s Hospital RENSHU Funding Project

Young Doctor Fund and Young Doctor Fun and Fund for Fostering of the National Natural Science Foundation

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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