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Dysnatremias in Chronic Kidney Disease: Pathophysiology, Manifestations, and Treatment

期刊

FRONTIERS IN MEDICINE
卷 8, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fmed.2021.769287

关键词

dysnatremia; hyponatremia; hypernatremia; chronic kidney disease; hemodialysis; peritoneal dialysis

资金

  1. Dialysis Clinics Inc., (DCI) [3RGX8-FP00007518]
  2. IRB [19-429]

向作者/读者索取更多资源

Patients with chronic kidney disease are predisposed to dysnatremias due to decreased kidney function. Studies show a higher prevalence of hyponatremia and hypernatremia in these patients than in the general population. Dysnatremias are associated with adverse clinical conditions and mortality, highlighting the need for further research in their treatment and prevention.
The decreased ability of the kidney to regulate water and monovalent cation excretion predisposes patients with chronic kidney disease (CKD) to dysnatremias. In this report, we describe the clinical associations and methods of management of dysnatremias in this patient population by reviewing publications on hyponatremia and hypernatremia in patients with CKD not on dialysis, and those on maintenance hemodialysis or peritoneal dialysis. The prevalence of both hyponatremia and hypernatremia has been reported to be higher in patients with CKD than in the general population. Certain features of the studies analyzed, such as variation in the cut-off values of serum sodium concentration ([Na]) that define hyponatremia or hypernatremia, create comparison difficulties. Dysnatremias in patients with CKD are associated with adverse clinical conditions and mortality. Currently, investigation and treatment of dysnatremias in patients with CKD should follow clinical judgment and the guidelines for the general population. Whether azotemia allows different rates of correction of [Na] in patients with hyponatremic CKD and the methodology and outcomes of treatment of dysnatremias by renal replacement methods require further investigation. In conclusion, dysnatremias occur frequently and are associated with various comorbidities and mortality in patients with CKD. Knowledge gaps in their treatment and prevention call for further studies.

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