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  • Title: Safety and Efficacy of Citrate Anticoagulation for Continuous Renal Replacement Therapy for Acute Kidney Injury After Liver Transplantation: A Single-Center Experience.
    Author: Pertica N, Cicciarella L, Carraro A, Montin U, Violi P, Lupo A, Zaza G.
    Journal: Transplant Proc; 2017 May; 49(4):674-676. PubMed ID: 28457369.
    Abstract:
    BACKGROUND: Acute kidney injury (AKI) after liver transplantation (LT) is a frequent and serious complication. The incidence of AKI requiring continuous renal replacement therapy (CRRT) ranges from 10% to 30%. Kidney Disease: Improving Global Outcomes guidelines indicate the use of citrate as a locoregional anticoagulant drug for CRRT regardless of the patient's hemorrhagic risk. Despite this indication, however, the use of citrate is still under debate in patients with liver failure and/or LT owing to the potential risk of plasmatic citrate accumulation due to reduced liver clearance. The aim of this study was to evaluate the safety and efficacy of citrate as a locoregional anticoagulation drug in CRRT for AKI after LT. METHODS: A retrospective analysis was performed in patients with AKI after liver transplantation who were treated with CRRT using citrate as local anticoagulant. Five patients were enrolled from January to December 2015. RESULTS: No patients showed complications related to citrate (metabolic acidosis, hyperlactatemia, hypercalcemia, or hypernatremia). All treatments with heparin were stopped owing to circuit clotting. Treatments with citrate was interrupted where it was no longer needed or when other examinations had to be made. None were stopped because of circuit coagulation. CONCLUSIONS: At our center, 5 patients have been successfully treated with the use of CRRT with citrate for AKI during the post-LT course. Our results, though on a small series of patients, provide evidence that CRRT with citrate can be a safe and promising treatment for AKI after LT.
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