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菌痢的病程超过2个月即可称为慢性菌痢。形成慢性菌痢的原因可能与几个方面有关,①急性期延误治疗,②全身状况差,如营养不良,患慢性病等,③局部抵抗力差,如患肠寄生虫病、慢性胆囊炎、慢性血吸虫病等。慢性菌痢发生的机理认为与肠道内分泌型IgA缺乏有关。有人做过慢性菌痢患者唾液中和粪便中的IgA含量分析,发现慢性菌痢患者除唾液中IgA较正常人高以外,其粪便滤液中分泌型IgA明显
Bacillary dysentery course of more than 2 months can be called chronic dysentery. The reasons for the formation of chronic bacillary dysentery may be related to several aspects, ① acute phase delay treatment, ② poor general condition, such as malnutrition, chronic diseases, etc. ③ local resistance is poor, such as intestinal parasitic disease, chronic cholecystitis, chronic Schistosomiasis and so on. The mechanism of chronic bacillary dysentery is thought to be related to the lack of intestinal endocrine IgA. Some people have done in patients with chronic dysentery diarrhea in the saliva and stool IgA content analysis found that patients with chronic dysentery in addition to salivary IgA higher than normal, the excrement filtrate secreted IgA was significantly