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Adaptive hyperphagia in patients with postsurgical malabsorption.

J Cosnes1, P Lamy, L Beaugerie

  • 1Service d'Hépatogastroentérologie, Hôpital Rothschild, Paris, France.

Gastroenterology
|December 1, 1990
PubMed
Summary
This summary is machine-generated.

Patients with malabsorption after small-bowel surgery can compensate by increasing oral intake, showing limited nutritional consequences. This highlights the body's adaptive capacity to overcome absorptive challenges.

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Area of Science:

  • Gastroenterology
  • Nutritional Science
  • Surgical Outcomes

Background:

  • Malabsorption is a potential complication following small-bowel surgery (resection or bypass).
  • Assessing the specific nutritional impact of chronic malabsorption is crucial for patient management.

Purpose of the Study:

  • To investigate the nutritional consequences of malabsorption in patients post-small-bowel surgery.
  • To compare nutritional status and intake between malabsorptive and non-malabsorptive patients.

Main Methods:

  • A study involving 48 ambulatory patients with small-bowel surgery and 10 with ileal pouches.
  • Patients received a standardized oral regimen; fecal fat analysis identified malabsorption (fecal fat >5%).
  • Nutritional status, body weight, triceps skin-fold, and daily food intake were assessed.

Main Results:

  • 41 out of 58 patients exhibited malabsorption, absorbing only 70% of protein and 71% of fat.
  • Malabsorption patients showed decreased body weight and triceps skin-fold but no protein malnutrition.
  • Malabsorption patients significantly increased their oral intake (39.6 kcal/IBW kg) compared to controls (28.8 kcal/IBW kg).

Conclusions:

  • Chronic malabsorption following small-bowel surgery has limited nutritional consequences.
  • Patients effectively compensate for malabsorption by enhancing their oral food intake.
  • The body demonstrates significant adaptive mechanisms to manage absorptive handicaps.