Vascular access challenges in hemodialysis children

Author:

Salah Doaa M.,Fadel Fatina I.,Abdel Mawla Mohamed A.,Mooty Hesham NAbdel,Ghobashy Mohamed El,Salem Amr M.,Fathallah Mohamed Gamal,Abd Alazem Eman AbobakrORCID

Abstract

Abstract Background Hemodialysis (HD) success is dependent mainly on vascular access (VA). The aim of this study is to share the experience of Pediatric Nephrology Unit (PNU), Cairo University Children’s Hospital (CUCH), with VA-related obstacles in end stage kidney disease (ESKD) HD children. Methods This is a retrospective analysis of VA related data of 187 ESKD children received regular HD over 3 year duration (2019–2021). Kaplan–Meier curves were used to present arteriovenous fistula (AVF) and cuffed catheters survivals. Results Uncuffed central venous catheter (CVC) was the primary VA for HD in up to 97.3% with 2.7% of patients had AVF performed and attained maturation before initiation of regular HD. Fifty-six (29.9%) patients have inserted 120 tunneled CVCs. AVFs & AV grafts (AVF) were performed in 79 (42.2%) and 6 (3.2%) patients respectively. There were 112 uncuffed CVCs implanted beneath the screen in Rt internal jugular vein (IJV) (44%) Lt IJV (17%), right internal mammary vein (2.7%) while Trans hepatic (TH) technique was used to place 39 uncuffed CVCs (34%) in the inferior vena cava (IVC). Catheter-related bacteremia (CRB) was the most frequent complication in uncuffed and cuffed CVCs (2.58 / 100 catheters day and 10.1 /1000 catheter days respectively). AVFs achieved a high success rate (83%) after 757.71 ± 512.3 functioning days. Conclusion Native AVF is the preferred VA for pediatric HD but its creation is limited by the small sized vessels where non-cuffed CVC could be a reasonable relatively long-term alternative. Challenging situations (occluded central veins) could benefit from TH technique of CVC insertion in IVC.

Funder

Cairo University

Publisher

Springer Science and Business Media LLC

Subject

General Mathematics

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