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Acute gastroenteritis: effect on nutritional status.

R Cunningham1, C M Parry, A D Harries

  • 1Regional Infectious Disease Unit, Fazakerley Hospital, Liverpool.

The British Journal of Clinical Practice
|January 1, 1992
PubMed
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Acute gastroenteritis in adults leads to significant weight loss primarily due to dehydration, not malnutrition. This finding highlights the importance of fluid balance during recovery from gastrointestinal illness.

Area of Science:

  • Clinical Nutrition
  • Gastroenterology
  • Human Physiology

Background:

  • Acute gastroenteritis is a common cause of hospital admission.
  • Nutritional status and body composition changes during acute illness require further investigation.

Purpose of the Study:

  • To assess changes in anthropometric measurements in adults hospitalized with acute gastroenteritis.
  • To differentiate between dehydration and malnutrition as causes of weight loss during acute gastroenteritis.

Main Methods:

  • Anthropometric measurements (weight, mid-arm circumference, skinfold thickness) were taken on admission and four weeks post-discharge.
  • Measurements were performed on 25 adult patients diagnosed with acute gastroenteritis.

Main Results:

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  • A significant decrease in body weight (P < 0.001) and mid-arm circumference (P < 0.05) was observed.
  • No significant changes were found in skinfold thickness, arm muscle area, or arm fat area.

Conclusions:

  • Weight loss during acute gastroenteritis is predominantly attributed to dehydration.
  • The findings suggest that malnutrition is not the primary driver of weight changes in this condition.