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Keller J, Layer P. The Pathophysiology of Malabsorption. Viszeralmedizin. 2014;30(3):150-4doi: 10.1159/000364794.
Keller, J., & Layer, P. (2014). The Pathophysiology of Malabsorption. Viszeralmedizin, 30(3), 150-4. https://doi.org/10.1159/000364794
Keller, Jutta, and Layer, Peter. "The Pathophysiology of Malabsorption." Viszeralmedizin vol. 30,3 (2014): 150-4. doi: https://doi.org/10.1159/000364794
Keller J, Layer P. The Pathophysiology of Malabsorption. Viszeralmedizin. 2014 Jun;30(3):150-4. doi: 10.1159/000364794. PMID: 26288588; PMCID: PMC4513829.
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Viszeralmedizin. 2014 Jun;30(3):150-4. doi: 10.1159/000364794.

The Pathophysiology of Malabsorption.

Viszeralmedizin

Jutta Keller, Peter Layer

Affiliations

  1. Department of Internal Medicine, Israelitic Hospital, University of Hamburg, Germany.

PMID: 26288588 PMCID: PMC4513829 DOI: 10.1159/000364794

Abstract

Physiological digestion and absorption of nutrients within the gastrointestinal tract requires a complex interaction between motor, secretory, digestive, and absorptive functions that is vulnerable to a multitude of potential disturbances which may lead to global or specific malabsorption syndromes. Potential pathomechanisms that are illustrated in this article include insufficient mechanical breakdown of harder food components due to chewing problems and/or decreased antral contractility, critical reduction of time for absorption in patients with markedly enhanced upper gastrointestinal transit (e.g. dumping syndrome), impaired digestion and absorption of nutrient components caused by reduced gastric acid secretion, pancreatic exocrine insufficiency or reduced biliary secretion, defects of the enteral mucosa with enzyme deficiencies (e.g. disaccharidases) or lack of specific carrier mechanisms (e.g. hexose or aminoacid transporters), and critical quantitative loss of intestinal mucosa in patients with short bowel syndrome.

Keywords: Gastric acid secretion; Malabsorption; Maldigestion; Motility disturbances; Pancreatic exocrine insufficiency

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