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Hypophosphatemia-induced Cardiomyopathy

Nobuhiro Ariyoshi1, Masayuki Nogi1, Akika Ando1

  • 1Department of Internal Medicine, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii.

The American Journal of the Medical Sciences
|September 22, 2016
PubMed

Insights

Hypophosphatemia, a condition of low phosphate levels, can impact heart function, potentially causing cardiomyopathy. Severe cases may show improved cardiac performance after phosphate correction, highlighting its role in heart failure.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Critical Care Medicine

Background:

  • Limited research exists on hypophosphatemia's cardiac effects.
  • Hypophosphatemia may be an underrecognized cause of heart failure.

Purpose of the Study:

  • To review the association between hypophosphatemia and cardiac function.
  • To raise awareness of hypophosphatemia-induced cardiomyopathy as a reversible cause of heart failure.

Main Methods:

  • Systematic literature search of MEDLINE and PubMed (1971-March 2015).
  • Inclusion of 11 primary studies (case reports, case-control, animal studies).

Main Results:

  • Hypophosphatemia may cause cardiomyopathy via ATP depletion and reduced erythrocyte 2,3-DPG.
  • Left ventricular function may improve after correcting severe hypophosphatemia.
  • No significant improvement in mild-to-moderate hypophosphatemia.

Conclusions:

  • Hypophosphatemia is a potential cause of reversible cardiomyopathy.
  • Further clinical studies are needed to analyze cardiac function and hypophosphatemia.
  • Recognition of hypophosphatemia is crucial for managing heart failure.

Keywords:
CardiomyopathyHeart failureHypophosphatemia

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