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Related Experiment Video

Updated: Nov 21, 2025

Determining Gender-Based Differences in Retinal and Choroidal Thickness in Underweight Individuals via Swept-Source Optical Coherence Tomography
03:35

Determining Gender-Based Differences in Retinal and Choroidal Thickness in Underweight Individuals via Swept-Source Optical Coherence Tomography

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464

Oedematous malnutrition.

Tahmeed Ahmed1, Sabuktagin Rahman, Alejandro Cravioto

  • 1Nutrition Programme, International Centre for Diarrhoeal Disease Research, Bangladesh, ICDDR, B, Dhaka, Bangladesh. tahmeed@icddrb.org

The Indian Journal of Medical Research
|January 22, 2010
PubMed
Summary

Kwashiorkor, a severe malnutrition causing edema, remains poorly understood. New research suggests free radicals and depleted antioxidants, not just protein deficiency, may drive its development.

Area of Science:

  • Nutritional Science
  • Biochemistry
  • Pediatrics

Background:

  • Oedematous malnutrition, particularly kwashiorkor, is a global health issue with high mortality.
  • The exact causes of kwashiorkor remain unclear, challenging traditional views of protein deficiency.
  • Recent findings show no significant dietary differences between children with marasmus and kwashiorkor.

Purpose of the Study:

  • To investigate the underlying mechanisms of oedematous malnutrition (kwashiorkor).
  • To explore the role of anti-diuretic hormone and oxidative stress in kwashiorkor pathogenesis.

Main Methods:

  • Review of existing literature on kwashiorkor and nutritional oedema.
  • Analysis of experimental studies involving low-protein, low-calorie diets in animals.

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  • Examination of the link between free radicals, antioxidants, and oedema development.

    • Main Results:

    • Nutritional oedema is linked to increased anti-diuretic hormone secretion, impairing water excretion.
    • Experimental diets low in protein and calories caused delayed water excretion and impaired liver function in animals.
    • Evidence suggests a correlation between free radical generation, antioxidant depletion, and oedema in kwashiorkor.

    Conclusions:

    • The pathogenesis of kwashiorkor is complex and may involve factors beyond simple protein deficiency.
    • Anti-diuretic hormone dysregulation and oxidative stress are implicated in the development of nutritional oedema.
    • Further research is needed to fully elucidate the mechanisms driving kwashiorkor.