| 标题 |
 Changes, functional disorders, and diseases in the gastrointestinal tract of elderly |
| 网址 | |
| DOI | |
| 其它 |
M. Grassi, L. Petraccia, G. Mennuni, M. Fontana, A. Scarno, S. Sabetta, et al. Nutricion Hospitalaria 2011 Vol. 26 Issue 4 Pages 659-668 This article describes changes in the basic digestive functions (motility, secretion, intraluminal digestion, absorption) that occur during aging. Elderly individuals frequently have oropharyngeal muscle dysmotility and altered swallowing of food. Reductions in esophageal peristalsis and lower esophageal sphincter (LES) pressures are also more common in the aged and may cause gastroesophageal reflux.Gastric motility and emptying and small bowel motility are generally normal in elderly subjects, although delayed motility and gastric emptying have been reported in some cases.The propulsive motility of the colon is also decreased, and this alteration is associated with neurological and endocrine-paracrine changes in the colonic wall. |
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