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Dysnatremias in patients with kidney disease
1Division of Renal Diseases and Hypertension, University of Colorado, Aurora, CO.
Abstract:
Dysnatremias are among the most common electrolyte disorders in clinical medicine. Recent studies have shown that individuals with chronic kidney disease also are afflicted by these electrolyte disorders. Furthermore, their presence imparts an increased risk of mortality. In this review, we discuss studies in experimental animals and in humans that have attempted to establish the mechanisms responsible for limiting urinary dilution and urinary concentration in progressive kidney disease. The clinical implications of these disorders in water excretion are discussed in the setting of optimal water intake as kidney disease progresses. This review emphasizes the management of patients with chronic kidney disease who have marked abnormalities in serum sodium concentrations and gives specific recommendations for modifications in renal replacement therapy prescription in hyponatremic patients with end-stage renal disease.
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