• Stavros Tsotsolis, Athina Lavrentieva, and David Greenhalgh.
• Guy's and St. Thomas' NHS Foundation Trust, London, UK. Aristotle University of Thessaloniki, School of Medicine, Thessaloniki, Greece. Electronic address: Stavros.Tsotsolis@gstt.nhs.uk.
• Burns. 2023 Mar 1; 49 (2): 247260247-260.

AbstractAcute kidney injury is a common complication in burn ICU patients and is associated with a high mortality rate. The optimal timing for starting renal replacement therapy (RRT) remains unknown; there is no established universal definition for early and late RRT initiation. The aims of the present narrative review are to briefly analyze the available recently published data on the timing of initiation of RRT in critically ill patients and to discuss the optimal timing of RRT in critically ill burn patients with acute kidney injury. When considering renal replacement therapy for acute kidney injury patients, physicians face the dilemma of balancing the hazards of starting too early, exposing patient to an unnecessary therapy with possible complications and costs related to treatment, and preventing a significant proportion of patients from spontaneous recovery of their renal function against the potential life-threatening harm of initiating RRT) too late. Evidence suggests that with appropriate care up to 80% of burn patients experience recovery of kidney function and the need for RRT seems to be very rare after hospital discharge. In the absence of life-threatening complications, the optimal time and thresholds for starting RRT in burn patients are uncertain. High heterogeneity exists between studies on RRT timing in burn patients.Copyright © 2023 Elsevier Ltd and International Society of Burns Injuries. All rights reserved.

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