Abstract
Background
Current guidelines for initiation of kidney replacement do not include specific recommendations for prescription parameters and monitoring.
Case outline
A 16-year-old girl presented with kidney failure with creatinine of 19.8 mg/dL and BUN of 211 mg/dL. She initiated continuous kidney replacement therapy (CKRT) with clearance of 1,300 mL/min/1.73 m2 which was increased to 1,950 mL/min/1.73 m2 at 17 h of stable therapy.
Complications
At 31 h of therapy, she developed generalized seizure activity. CT imaging was negative for acute intracranial process, and EEG demonstrated diffuse encephalopathy. CKRT was discontinued, and BUN was noted to be 47 mg/dL at that time (a 79% reduction from presenting BUN).
Key management points
• The potential for development of DDS is not isolated to intermittent hemodialysis and may occur later in presentation.
• A decreased clearance rate should be considered in those with risk factors for development of dialysis disequilibrium syndrome (DDS).
• Frequent monitoring of BUN/serum osmolality is important to allow for adjustment of the KRT prescription following initiation of therapy.
• Additional research is needed to guide risk assessment for DDS and therapeutic timing and goals in the early stages of KRT initiation.
• Inclusion of more specific guidelines surrounding DDS would assist in providing important support for nephrologists.
List of relevant guidelines
KDIGO clinical practice guideline for acute kidney injury [1]
Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease [2]
The Renal Association Clinical Practice Guideline Acute Kidney Injury (AKI) [3]
The Japanese Clinical Practice Guideline for Acute Kidney Injury [4]
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Stahl, J.L., Whelan, R.S. & Symons, J.M. Dialysis disequilibrium on CKRT: avoiding the steep slippery slope. Pediatr Nephrol 36, 2697–2702 (2021). https://doi.org/10.1007/s00467-021-05026-7
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DOI: https://doi.org/10.1007/s00467-021-05026-7