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Everyone should be tested for iron disorders.

V Herbert1

  • 1Mount Sinai School of Medicine and Medical Center, Bronx, NY.

Journal of the American Dietetic Association
|December 1, 1992
PubMed
Summary

Monitoring iron status is crucial as many Americans experience imbalances. Early stages of negative iron balance, or iron depletion, are reversible with treatment and prevent future health issues.

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Area of Science:

  • Human Physiology
  • Nutritional Science
  • Medical Diagnostics

Background:

  • Approximately 6% of Americans have negative iron balance, and 10% carry genes for positive iron balance, highlighting the prevalence of iron status deviations.
  • Deviations in iron status range from iron depletion (Stages I-II negative balance) to iron deficiency (Stages III-IV negative balance) and iron overload (Stages I-II positive balance).
  • Serum ferritin levels serve as a key indicator, reflecting equilibrium with the body's iron stores.

Purpose of the Study:

  • To elucidate the stages of negative and positive iron balance and their clinical implications.
  • To emphasize the necessity of routine iron status monitoring for early detection and intervention.
  • To differentiate between iron depletion and iron deficiency and their respective health consequences.

Main Methods:

  • Categorization of iron status into distinct stages based on negative and positive iron balance.
  • Description of the physiological characteristics and progression of each stage.
  • Identification of key indicators for assessing iron status, such as serum ferritin.

Main Results:

  • Iron depletion (Stages I-II negative balance) involves low iron stores without dysfunction and is fully reversible with iron treatment.
  • Iron deficiency (Stages III-IV negative balance) leads to dysfunction and, in Stage IV, anemia.
  • Positive iron balance (Stages I-II) can progress to dysfunction and iron overload disease, characterized by tissue damage, if not managed by iron removal.

Conclusions:

  • Early detection and management of iron status deviations, particularly iron depletion, are critical for preventing the progression to dysfunction and disease.
  • Interventions such as iron supplementation or removal are stage-dependent and crucial for maintaining normal iron homeostasis.
  • Routine monitoring of iron status is essential for public health due to the significant prevalence of iron imbalances in the American population.

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