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腹泻是一种常见的临床症状,系指每日排便次数在3次以上,或粪便中水分增加导致粪质稀薄,或每日排便量超过200克。根据病程可将腹泻分为急性(不足4周)和慢性(超过4周)。慢性腹泻病因非常复杂,临床转归差异极大,倘若不能明确病因并给予针对性的治疗,患者常难以自行好转。面对慢性腹泻,首先要鉴别病因系功能性还是器质性。
Diarrhea is a common clinical symptom, meaning that the number of bowel movements is more than 3 times a day, or the excrement of water in the stools leads to thin fecal matter, or more than 200 grams of daily defecation. According to the duration of diarrhea can be divided into acute (less than 4 weeks) and chronic (more than 4 weeks). The cause of chronic diarrhea is very complex, clinical outcomes vary greatly, if not clear the cause and give targeted treatment, patients often difficult to self-improvement. In the face of chronic diarrhea, we must first identify the etiology of functional or organic.