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Related Experiment Video

Updated: Jul 19, 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

Hypomagnesemia: renal magnesium handling

E Kelepouris1, Z S Agus

  • 1Renal Electrolyte Division, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, Philadelphia, USA.

Seminars in Nephrology
|February 12, 1998
PubMed
Summary

Magnesium balance is crucial for cellular and whole-body functions, regulated by kidney excretion. Disturbances like hypomagnesemia can cause cardiovascular issues and persist with low potassium and calcium.

Area of Science:

  • Nephrology
  • Endocrinology
  • Cardiology

Background:

  • Magnesium is vital for intracellular functions and overall health.
  • Magnesium balance relies on dietary intake and renal excretion, primarily in the thick ascending limb of the loop of Henle.
  • Unlike calcium and potassium, magnesium lacks complex hormonal regulation, leading to rapid plasma concentration changes.

Purpose of the Study:

  • To review the regulation of magnesium balance.
  • To discuss the causes and consequences of magnesium imbalances, including hypomagnesemia and hypermagnesemia.
  • To outline treatment strategies for magnesium deficiency.

Main Methods:

  • Literature review of magnesium homeostasis.
  • Analysis of physiological regulation of magnesium.

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  • Summary of clinical manifestations and therapeutic interventions for magnesium disorders.

    • Main Results:

    • Negative magnesium balance causes decreased plasma magnesium levels.
    • Hypermagnesemia is associated with renal failure due to magnesium accumulation.
    • Hypomagnesemia can stem from gastrointestinal or renal losses and may coexist with hypokalemia and hypocalcemia, impacting cardiovascular health.

    Conclusions:

    • Magnesium homeostasis is primarily maintained by renal excretion.
    • Hypomagnesemia presents significant cardiovascular risks and can exacerbate electrolyte disturbances.
    • Intravenous magnesium sulfate is indicated for urgent correction, while oral preparations are suitable for chronic management.