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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


SANCHEZ ALMARAZ, Rosalía et al. Fiber-type indication among different pathologies. Nutr. Hosp. [online]. 2015, vol.31, n.6, pp.2372-2383. ISSN 1699-5198.

Introduction: fiber definition includes all those carbohydrates which are not digested nor absorbed in the upper gastrointestinal tract allowing them to reach the colon with no previous processing. Traditionally fiber has been classified according to their solubility into soluble and insoluble and different physiological properties have been defined for each type. The physiologic role of the fiber intake has been studied in diabetes, dyslipidemia or obesity. Fiber intake has also demonstrated to be beneficial in the prevention of many neoplastic diseases like colorectal cancer. It´s also known that fiber plays an important role in the faecal excretion of nitrogen. Aim: to evaluate the current evidence that fiber intake plays in the management and prevention of several different diseases, being able to determine, if possible, the most recommended fiber type for each clinical condition. Methods: a non-systematic review by searching the Medline and Pubmed was made and studies which met the inclusion criteria were identified and selected for analysis. Results: different fiber types can be useful for the treatment of several gastrointestinal diseases like constipation, diarrhea, irritable bowel syndrome, ulcerative colitis remission or short bowel syndrome. Patients diagnosed with diabetes, obesity, hyperlipidemia, hypertension and other cardiometabolic diseases can get a clinical improvement with soluble fiber intake. Dietary fiber has demonstrated to play a role in the prevention of colorrectal cancer and other neoplastic diseases. Patients with hepatic encephalopathy or chronic kidney disease will also benefit from fermentable fiber intake. Discussion: fiber plays an important role in the prevention and treatment of many clinical conditions. However further investigations are needed to establish specific fiber intake recommendations.

Keywords : Dietetic fiber; Gastrointestinal diseases; Metabolic diseases; Colorrectal cancer.

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