malabsorption

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malabsorption

[mal″ab-sorp´shun]

impaired intestinal absorption of nutrients.

malabsorption syndrome a group of disorders marked by subnormal intestinal absorption of dietary constituents, and thus excessive loss of nutrients in the stool; it may be due to a digestive defect, a mucosal abnormality, or lymphatic obstruction.

mal·ab·sorp·tion

(mal'ab-sōrp'shŭn),

Imperfect, inadequate, or otherwise disordered gastrointestinal absorption.

Farlex Partner Medical Dictionary © Farlex 2012

malabsorption

(măl′əb-zôrp′shən, -sôrp′-)

Defective or inadequate absorption of nutrients from the intestinal tract.

malabsorption

The suboptimal absorption of nutrients from the GI tract.

Clinical findings
Bloating, abdominal pain, diarrhoea.

Aetiology
Cystic fibrosis (number one cause in US), abetalipoproteinaemia, acrodermatitis enteropathica, biliary atresia, bovine lactalbumin (cow's milk protein) intolerance, coeliac disease (gluten-induced enteropathy), sprue, juvenile pernicious anaemia, lactose intolerance, parasites (Diphyllobothrium latum, Giardia lamblia, Necator americanus, Strongyloides stercoralis), soy milk protein intolerance, vitamin B12 malabsorption.

malabsorption

GI disease A group of Sx–eg, gas, bloating, abdominal pain, diarrhea due to the inability to properly absorb nutrients Etiology Cystic fibrosis–number one cause in US, abetalipoproteinemia, acrodermatitis enteropathica, biliary atresia, bovine lactalbumin intolerance–cow's milk protein, celiac disease–gluten-induced-enteropathy, sprue, juvenile pernicious anemia, lactose intolerance, parasites–Diphyllobothrium latum, Giardia lamblia, Necator americanus, Strongyloides stercoralis, soy milk protein intolerance, vitamin B₁₂ malabsorption

mal·ab·sorp·tion

(mal'ab-sōrp'shŭn)

Imperfect, inadequate, or otherwise disordered gastrointestinal absorption.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

malabsorption

One of a number of disorders in which there is a failure of movement of some of the elements of the diet from the small intestine into the bloodstream so that MALNUTRITION may occur in spite of an adequate diet. See LACTASE DEFICIENCY SYNDROME, COELIAC DISEASE, STEATORRHOEA, RICKETS and OSTEOMALACIA.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Malabsorption

Defective or inadequate absorption of nutrients from the intestinal tract.

Mentioned in: Proton Pump Inhibitors

mal·ab·sorp·tion

(mal'ab-sōrp'shŭn)

Imperfect or disordered gastrointestinal absorption.

Medical Dictionary for the Dental Professions © Farlex 2012

References in periodicals archive ?

The degree of fat restriction depends upon the severity of fat malabsorption. Generally, an intake <40-60 g per day is tolerated.

Guideline for the diagnosis and treatment of chronic pancreatitis

fat malabsorption, or steatorrhea, is passing greasy, offensive-smelling

Magnesium

People with fat malabsorption problems can also utilize MCT as a source of energy.

Milk protein/specialty fat produces healthier ingredient

He found that an endopeptidase isolated from barley reduced fat malabsorption in patients with celiac disease in remission.

Conference highlights of probiotics symposium: Second Annual Symposium on Probiotics, Prebiotics and Enzymes: Clinical Applications in Human Health

Dogs who experience a single, acute, uncomplicated episode are more likely to be able to return to a normal diet, while dogs with repeated episodes of acute pancreatitis, hyperlipidemia, or steatorrhea (large, greasy, foul-smelling stools caused by fat malabsorption) should be kept on a fat-restricted diet.

A pain in the pancreas: pancreatitis can be a serious acute condition, or just a chronic pain

The majority of CF patients have pancreatic exocrine insufficiency, even in early infancy, which, if untreated, leads to fat malabsorption and malnutrition (5).

Influence of pancreatic status and sex on polyunsaturated fatty acid profiles in cystic fibrosis

Vitamin D is a fat-soluble vitamin and requires some dietary fat for absorption, so fat malabsorption can compromise vitamin D status.

Bone testing is urged for children with IBD

Supplementation with medium-chain triglycerides reduces HIV-associated intestinal dysfunction and fat malabsorption. And ready-to-use therapeutic food improves nutritional status in severely malnourished children.

'HIV/AIDS, TB and Nutrition'--ASSAf report

The loss of magnesium through diarrhea and fat malabsorption usually occurs after intestinal surgery or infection, but it can occur with chronic malabsorptive problems such as Crohn's disease, gluten sensitive enteropathy, and regional enteritis (13).

Magnesium

Malabsorption in the elderly usually presents nonspecifically with weight loss, evidence of malnutrition, or functional decline.[30,31] Although diarrhea is common[16] only one third of patients with diarrhea have malabsorption.[30] Positive qualitative fecal fat identifies moderate to severe steatorrhea, but lacks sensitivity for less severe fat malabsorption. Three-day quantitative fecal fat collection is sensitive, but is difficult to collect.

Diagnosis and management of weight loss in the elderly

Fat malabsorption has been implicated in the development of cardiac cachexia [12-14] but the relevant studies were poorly designed and uncertainty still exists about the role of fat malabsorption in cardiac cachexia.

Fat malabsorption in elderly patients with cardiac cachexia

There was no evidence for fat malabsorption, malnutrition, or cachexia, making a secondary cause unlikely.