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1反流性食管炎病因反流性食管炎在临床上患病率高,严重影响患者的生活质量,给患者带来的危害也很大。反流性食管炎是由多种因素引起的,消化道动力障碍性疾病,主要病因是抗反流防御机制减弱或消失,胃内反流物对食管黏膜的攻击作用。食管下括约肌是食管和胃连接处抵抗反流的高压带,能有效的防止胃内容物反流进入食管,当食管下括约肌功能异常时,可引起压力下降,导致胃食管反流。食管对胃反流物的廓清功能障
1 reflux esophagitis etiology reflux esophagitis high prevalence in the clinic, seriously affecting the quality of life of patients, patients also bring great harm. Reflux esophagitis is caused by a variety of factors, gastrointestinal motility disorders, the main cause is the anti-reflux defense mechanism weakened or disappeared, the role of gastric reflux in esophageal mucosa attack. Lower esophageal sphincter esophageal and gastric junction resistance to reflux of the high pressure zone, can effectively prevent the reflux of gastric contents into the esophagus, when the lower esophageal sphincter dysfunction, can cause pressure drops, leading to gastroesophageal reflux. Esophageal reflux of the body fluid clearance function