Sodium Homeostasis in Chronic Kidney Disease

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Updated: Oct 24, 2026

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat
08:50

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat

Published on: July 3, 2013

Vivek Soi1, Jerry Yee1

  • 1Henry Ford Hospital, Detroit, MI.

Advances in Chronic Kidney Disease
|October 17, 2017
PubMed

Insights

Sodium retention in chronic kidney disease (CKD) causes hypertension and edema. Understanding sodium handling is crucial for managing CKD progression and related complications.

Area of Science:

  • Nephrology
  • Cardiovascular Science
  • Physiology

Background:

  • Sodium retention is a key driver of pathology in chronic kidney disease (CKD).
  • Excess sodium contributes to oxidative stress and vascular damage in the kidneys.
  • CKD progression involves complex alterations in sodium handling and filtration.

Purpose of the Study:

  • To examine the pathologic consequences of sodium retention in CKD.
  • To elucidate the role of sodium excess in kidney vasculature and disease progression.
  • To explore sodium handling in nephrotic syndrome and its implications in advanced CKD.

Main Methods:

  • Review of existing literature on sodium balance in CKD.
  • Analysis of pathophysiologic mechanisms linking sodium to kidney disease.
  • Examination of compensatory and decompensatory sodium handling.

Main Results:

  • Sodium retention leads to hypertension, edema, and CKD progression.
  • Oxidative stress from sodium excess damages kidney vasculature.
  • Advanced CKD involves overwhelmed compensatory mechanisms and volume overload.

Conclusions:

  • Sodium retention is a critical factor in CKD pathogenesis.
  • Altered sodium handling, including in nephrotic syndrome, significantly impacts CKD.
  • Extrarenal sodium buffering plays a vital role in advanced CKD management.

Keywords:
ReabsorptionRegulationSodium

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