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Related Experiment Videos

Zinc and the elderly

S Ripa1, R Ripa

  • 1Istituto di Clinica Medica Generale, Università degli Studi, Ferrara.

Minerva Medica
|June 1, 1995
PubMed
Summary
This summary is machine-generated.

Zinc deficiency is common in older adults, impairing immunity and increasing infection risk. Leucocytic evaluation is more reliable than plasma zinc for diagnosis in this population.

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Area of Science:

  • Gerontology
  • Immunology
  • Nutritional Science

Background:

  • Zinc deficit is prevalent in the elderly due to various age-related factors.
  • Mineral deficiencies, including zinc, compromise both humoral and cellular immunity.
  • This can lead to increased susceptibility to infections, higher morbidity and mortality rates, and protein malnutrition in older adults.

Purpose of the Study:

  • To highlight the prevalence and consequences of zinc deficiency in the elderly.
  • To discuss the diagnostic challenges and more reliable methods for assessing zinc status.
  • To emphasize the importance of adequate zinc supplementation, especially in vulnerable patient groups.

Main Methods:

  • Review of existing literature on zinc metabolism and deficiency in aging populations.

Related Experiment Videos

  • Discussion of diagnostic limitations of plasma zinc measurements due to hypoproteinemia in the elderly.
  • Emphasis on leucocytic mineral evaluation, specifically in polymorphonuclear neutrophils, as a more accurate diagnostic indicator.

    • Main Results:

    • Plasma zinc levels are unreliable for diagnosing zinc deficiency in the elderly because of frequent hypoproteinemia.
    • Leucocytic mineral evaluation, particularly in neutrophils, provides a more significant and important assessment of zinc status.
    • Surgical patients and those on total parenteral nutrition are at higher risk if not adequately supplemented with zinc.

    Conclusions:

    • Zinc deficiency is a significant health concern in the elderly, impacting immunity and nutritional status.
    • Leucocytic zinc evaluation is a superior diagnostic method compared to plasma zinc in this demographic.
    • Adequate zinc intake, with a recommended daily allowance of 15 mg for the elderly, is crucial for maintaining health and preventing complications.