Utility of Citrate Dialysis in Patients with Contraindication for Heparin in a Limited-Resource Setting

Author:

Jagdale Rajaram,Almeida Alan,Kothari Jatin,Sirsat Rasika,Surwase Supriya,Thomas Dixon

Abstract

Background: Hemodialysis among critical care patients with acute kidney injury (AKI) is challenging, especially if heparin is contraindicated. Objectives: This study assessed the utility of citrate dialysis for such patients in a limited-resource setting. Methods: In this prospective study, patients were divided into group A (heparin-free saline flush dialysis), group B (heparin-free citrate dialysis without flushing), and group C (heparin-free citrate dialysis with flushing). The subjects underwent completed sustained low-efficiency daily dialysis (blood flow = 150 mL/minute, dialysate = 300 mL/minute) or intermittent hemodialysis (blood flow = 250 mL/minute, dialysate flow = 500 mL/minute). Statistical tests using SPSS software (version 26) were used to determine safety and effectiveness differences. Results: Among 25 patients studied with multiple hemodialysis sessions, blood flow and dialysate flow were observed to be better in heparin-free citrate dialysis with flushing. There were further advantages of lesser dialyzer clotting and more reuse of dialyzers. Metabolic differences were insignificant. Heparin-free citrate dialysis with or without flushing was equally effective and safe, compared to heparin-free saline flush dialysis, in patients with or without liver impairment. Conclusions: Citrate dialysis is observed to be a safe and effective alternative to heparin-free saline flushing dialysis in intensive care unit patients with AKI. More such studies are required in limited-resource settings to utilize citrate dialysis in patients with heparin contraindication.

Publisher

Briefland

Subject

Urology

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