Disorders of serum sodium concentration are common in critically ill patients who may have concomitant acute kidney injury, chronic kidney disease, or end-stage kidney disease. Many of these patients may require customized serum sodium level management with dialysis which, if not strictly controlled, can lead to significant complications. Thus, controlled correction of the serum sodium level is necessary to avoid the development of osmotic demyelination syndrome in hyponatremic patients and dialysis disequilibrium syndrome in hypernatremic patients. Continuous renal replacement therapy offers unique benefits through the ability to slowly and safely correct dysnatremias that can be tailored to specific patient needs and should be considered in select patients.
Keywords: CRRT; dialysis; dysnatremia; hypernatremia; hyponatremia.
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