Outcomes of arteriovenous graft vs. fistula for haemodialysis access in the elderly: A systematic review and meta‑analysis

Li,Jia; Lu,Hua; Xie,Zhen; Li,Qingchao; Shi,Hongguang

doi:10.3892/etm.2023.12098

Outcomes of arteriovenous graft vs. fistula for haemodialysis access in the elderly: A systematic review and meta‑analysis

Authors:
- Jia Li
- Hua Lu
- Zhen Xie
- Qingchao Li
- Hongguang Shi
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Affiliations: Department of Nephrology, Navy 971 Hospital, Qingdao, Shandong 266000, P.R. China
Published online on: July 6, 2023 https://doi.org/10.3892/etm.2023.12098
Article Number: 399
Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The impact of the type of vascular access on the outcomes in the elderly haemodialysis patients is still unclear. The goal of the present study was to compare survival outcomes in elderly haemodialysis patients who received either arteriovenous graft (AVG) or arteriovenous fistula (AVF). A systematic literature search was performed in EMBASE, Cochrane, MEDLINE, ScienceDirect and Google Scholar databases for papers published from January 1954 until January 2022. Risk of bias in the selected publications was assessed by Newcastle Ottawa scale or Cochrane risk of bias tool depending on the study design. Meta‑analysis was carried out using the random‑effects model. Data were reported as pooled odds ratio (OR) or hazard ratio (HR) with 95% confidence interval (CI). A total of 12 studies were included in the analysis. The majority of the studies had poor quality. Elderly patients receiving AVG had significantly worse survival rate compared with patients that received AVF for the haemodialysis access, with a pooled HR of 1.38 (95% CI, 1.24‑1.53; I2=79.9%). Pooled HR for access survival was 1.60 (95% CI, 1.54‑1.66; I2=0%). Pooled OR for primary patency rate, maturation failure and infections were 1.81 (95% CI, 0.73‑4.49; I2=79.2%), 0.33 (95% CI, 0.12‑0.91; I2=70.4%) and 9.74 (95% CI, 2.60‑36.49; I2=52.4%), respectively. These results suggested that in elderly patients undergoing haemodialysis, AVG was associated with reduced overall survival and access survival, and higher infection rate, compared with AVF. Notably, AVG was also associated with a lower risk of maturation failure, presenting a potential advantage in specific patient populations (study registration: PROSPERO, no. CRD42022313199).

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