PubMed · 7084584
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W V Bogomoletz. 1982. [Collagenous colitis].. https://pubmed.ncbi.nlm.nih.gov/7084584/
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Probiotics are defined as live microorganisms of human origin. Their use may favorably influence human health and ameliorate or prevent certain diseases. Prebiotics are non-digestible foodstuffs (fiber, oligofructans - "colonic foods"), which enter the colon and are metabolized by the probiotics. Probiotics should fulfill the following criteria: Phenotypic and genotypic classification, no pathogenic properties, human origin, application in the living state, resistance to gastric acid and bile, ability to adhere to colonocytes, ability to colonize the gut, clinically proved favorable health-effect, and safety. Experimental and clinical studies supplied evidence of the possible use of probiotics in the following diseases: Traveler's diarrhea, antibiotic-associated diarrhea, relapsing Clostridium difficile colitis, infantile diarrhea, rotavirus enteritis, inflammatory bowel disease, irritable bowel syndrome, colon cancer, peritonitis, acute pancreatitis, and diarrhea associated with HIV infection. Probiotics displayed the following effects in these studies: Involvement in production of essential nutrients of the colonic mucosa, beneficial effect on intestinal immunity, recovery of the disturbed gut mucosal barrier and prevention of microbial translocation, elimination of toxins and eradication of microbial pathogens, production of steroids from cholesterol and reduction of its pool in circulation, participation in regulation of intestinal functions, reduced incidence of chemically induced colon tumors in rodents. Probiotics open new therapeutic modalities in a number of diseases and it may be expected that their importance will increase with growing knowledge and experience.
Microscopic colitis is a relatively common cause of chronic watery diarrhea, often accompanied by abdominal pain and weight loss. The colonic mucosa appears normal grossly, and the diagnosis is made when there is an intraepithelial lymphocytosis and a mixed inflammatory infiltrate in the lamina propria. The two main subtypes, collagenous and lymphocytic colitis, are similar clinically and histologically, distinguished by the presence or absence of a thickened subepithelial collagen band. Many potential pathophysiological mechanisms have been described, although none have been conclusively proved. There is a paucity of randomized treatment trials in these patients, although a rational approach to therapy often leads to satisfactory control of symptoms.