Malabsorption causes: Difference between revisions
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==Overview== | ==Overview== | ||
==Causes== | ==Causes<ref>{{cite book |author=M. S Losowsky, |title=Malabsorption in clinical practice |publisher=Churchill Livingstone |location=Edinburgh |year= |pages= |isbn=0-443-01007-2 |oclc= |doi=}}</ref>== | ||
===Due to Infective Agents=== | ===Due to Infective Agents=== | ||
*[[Whipple's disease]] | *[[Whipple's disease]] | ||
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*[[Parasites]] e.g. [[giardiasis|''Giardia lamblia'']], [[Diphyllobothrium|fish tape worm]] ([[Vitamin B12|B12 malabsorption]]), [[Strongyloides stercoralis|round warm]], [[hookworm]] (''Ancylostoma duodenale'' and ''Necator americanus''). | *[[Parasites]] e.g. [[giardiasis|''Giardia lamblia'']], [[Diphyllobothrium|fish tape worm]] ([[Vitamin B12|B12 malabsorption]]), [[Strongyloides stercoralis|round warm]], [[hookworm]] (''Ancylostoma duodenale'' and ''Necator americanus''). | ||
===Due to Structural Defects | ===Due to Structural Defects=== | ||
*[[blind loop syndrome|Blind loops]] | *[[blind loop syndrome|Blind loops]] | ||
*[[Inflammatory bowel disease]]s commonly in [[Crohn's disease]] | *[[Inflammatory bowel disease]]s commonly in [[Crohn's disease]] | ||
Revision as of 15:50, 30 January 2017
|
Malabsorption |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Causes[1]
Due to Infective Agents
- Whipple's disease
- Intestinal tuberculosis
- HIV related malabsorption
- Tropical sprue
- Traveller's diarrhoea
- Parasites e.g. Giardia lamblia, fish tape worm (B12 malabsorption), round warm, hookworm (Ancylostoma duodenale and Necator americanus).
Due to Structural Defects
- Blind loops
- Inflammatory bowel diseases commonly in Crohn's disease
- Intestinal hurry from post-gastrectomy, post-vagotomy and gastro-jejunostomy
- Fistulae, diverticulae and strictures
- Infiltrative conditions such as amyloidosis, lymphoma and eosinophilic gastroenteropathy
- Radiation enteritis
- Systemic sclerosis and collagen vascular diseases
Due to Mucosal Abnormality
- Celiac disease
- Cows' milk intolerance
- Soya milk intolerance
Due to Enzyme Defeciencies
- Lactase deficiency inducing lactose intolerance (constitutional, secondary or rarely congenital)
- Sucrose intolerance
- Intestinal disaccharidase defeciency
- Intestinal enteropeptidase defeciency
Due to Digestive Failure
- Pancreatic insufficiencies:
- Bile salt malabsorption
- Terminal ileal disease
- Obstructive jaundice
- Bacterial overgrowth
Due to Other Systemic Diseases Affecting GI Tract
- Hypothyroidism and hyperthyroidism
- Addison's disease
- Diabetes mellitus
- Hyperparathyroidism and hypoparathyroidism
- Carcinoid syndrome
- Malnutrition
- Abeta-lipoproteinemia
Due to Drug Side Effect
References
- ↑ M. S Losowsky,. Malabsorption in clinical practice. Edinburgh: Churchill Livingstone. ISBN 0-443-01007-2.