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功能性消化不良(FD)是消化科最常见的一组症状群,在人群中发病率高,积极寻求病因,正确诊断及合理治疗,是当前国内研究的课题。 1 病因 1.1 胃肠动力障碍 FD患者有较多的胃电节律异常,以餐后明显,且与胃排空延缓有关,研究证明迷走神经功能障碍是FD的病理生理基础。由于迷走神经张力减低引起空腹时及餐后胃运动减弱,胃窦增宽以及缺乏与应激反应相应的胃窦运动抑制,近年研究表明胃感知阈值降低及小肠扩张,可能是FD
Functional dyspepsia (FD) is the most common group of symptoms in the digestive system. It has high incidence in the population, actively seeking the cause, correct diagnosis and rational treatment. It is the current research topic in China. 1 Etiology 1.1 gastrointestinal motility disorders FD patients have more abnormal gastric electrical rhythm to postprandial was significant, and delayed gastric emptying, studies have shown that vagal dysfunction is the pathophysiology of FD. As the vagus nerve tension decreased fasting and postprandial gastric motility, gastric antrum widened and the lack of response and stress response to the gastric antrum inhibition, recent studies have shown that lower gastric threshold perception and small intestine expansion may be FD