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Disorders of intestinal secretion and absorption
Jörg-Dieter Schulzke1, Hanno Tröger, Maren Amasheh
1Department of Gastroenterology, Infectiology, and Rheumatology, Hindenburgdamm 30, 12203 Berlin, Germany. joerg.schulzke@charite.de
Best Practice & Research. Clinical Gastroenterology
|June 10, 2009
Summary
Diagnosing malabsorption syndromes requires a comprehensive approach, including small intestinal biopsy, breath tests, and stool analysis. Early identification of the cause is crucial for effective treatment of digestive and absorptive disorders.
Area of Science:
- Gastroenterology
- Digestive Physiology
- Clinical Diagnostics
Background:
- The gastrointestinal tract's large surface area is vital for digestion and absorption.
- Malabsorption disorders, such as celiac disease and lactase deficiency, impair these functions.
- Impaired small intestinal function may occur with or without visible mucosal changes.
Purpose of the Study:
- To outline diagnostic procedures for malabsorption syndromes.
- To emphasize the importance of early diagnosis for appropriate therapy.
- To discuss specific conditions including celiac disease, Whipple's disease, and short bowel syndrome.
Main Methods:
- Recommends early small intestinal biopsy alongside breath tests and stool analysis.
- Highlights the diminishing availability of certain functional tests.
- Reviews diagnostic tests for bacterial overgrowth, carbohydrate, nutrient, and protein malabsorption.
Main Results:
- Early diagnosis is paramount for initiating effective treatment.
- A combination of biopsy, breath, and stool tests aids in managing malabsorptive syndromes.
- Specific diagnostic pathways exist for various gastrointestinal disorders.
Conclusions:
- A systematic diagnostic approach is essential for malabsorption.
- Timely intervention based on accurate diagnosis improves patient outcomes.
- Understanding the pathophysiology guides therapeutic strategies for intestinal disorders.
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