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Malnutrition, kidney size and composition.

E Y Morrison, G A Alleyne

    Archivos Latinoamericanos De Nutricion
    |March 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Malnutrition in infants leads to smaller kidney size, even if kidney composition remains unchanged. Severely malnourished children exhibit reduced kidney size relative to body weight.

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    Area of Science:

    • Pediatric Nephrology
    • Nutritional Science
    • Developmental Biology

    Background:

    • Infant malnutrition is a global health concern with potential long-term developmental impacts.
    • Kidney development and function are crucial for overall infant health.
    • Previous research has explored the effects of malnutrition on various organs, but kidney-specific changes require further elucidation.

    Purpose of the Study:

    • To investigate the relationship between weight deficit and kidney composition in infants.
    • To determine if malnutrition affects kidney size and its proportion to body weight.
    • To establish the impact of varying degrees of malnutrition on renal parameters.

    Main Methods:

    • Analysis of kidney tissue from 42 infants for protein, fat, water, DNA, and RNA content.

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  • Examination of kidney size and its percentage of body weight in a larger cohort of 200 children with varying weight deficits.
  • Comparative analysis between groups with different levels of malnutrition.

    • Main Results:

    • No significant differences in kidney composition (protein, fat, water, DNA, RNA) were observed across different weight deficit groups in the initial cohort.
    • A larger study (n=200) revealed that increasing weight deficit correlated with a reduction in overall kidney size.
    • In older children with severe malnutrition, kidneys constituted a significantly higher percentage of body weight.

    Conclusions:

    • Infant malnutrition does not alter kidney tissue composition but significantly impacts kidney size.
    • Severely malnourished children tend to have smaller kidneys relative to their body mass.
    • These findings highlight the detrimental effect of malnutrition on renal development and growth.