答:胃肠功能障碍是指消化食物、吸收营养和排泄废物的任何一个环节受损所致的,以腹胀和应激性溃疡、出血为主的一组综合征。小儿胃肠黏膜相对较薄,对不完全分解产物尤其是微生物通透性比成人高,分泌功能及胃肠蠕动易受肠内外因素的影响而引发胃肠功能紊乱,发生全身感染和变态反 A: Gastrointestinal dysfunction refers to a group of syndromes mainly caused by the impairment of digestion of food, absorption of nutrients and excretion of wastes, with bloating and stress ulcer bleeding. Pediatric gastrointestinal mucosa is relatively thin, on incompletely decomposed products, especially the permeability of microorganisms than adults, secretory function and gastrointestinal motility susceptible to intestinal factors and gastrointestinal disorders, systemic infection and allergy