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目的 明确无效食管动力 (IEM )在GERD患者中的发生率及其在食管酸暴露、酸清除及食管黏膜损伤中的作用。方法 对 2 0 0 1年 1月至 2 0 0 2年 6月拟诊GERD患者行食管压力及食管动态pH监测 ,对明确GERD诊断的 6 6例患者依食管远端动力特征分为食管动力正常组、IEM组、其它组 ;
Objective To determine the incidence of ineffective esophageal motility (IEM) in patients with GERD and its role in esophageal acid exposure, acid clearance and esophageal mucosal injury. Methods From January 2001 to June 2002, esophageal pressure and esophageal dynamic pH monitoring were performed in patients with suspected GERD. Sixty-six patients with definite GERD were divided into normal esophageal motility according to distal esophageal motility Group, IEM group, other groups