贲门失弛症是食管原发性运动障碍性疾病之一。多见于成人,亦可见于儿童,男女发病几乎相同,无种族差异。国外统计发病率约为1/10万。我国虽尚无人群普查统计,但并不罕见。由于早期症状不典型,诊断较困难,故易被患者及医务人员忽略。 Cardia achalasia is one of the primary esophageal dyskinesia. More common in adults, but also seen in children, men and women almost the same incidence, no racial differences. The incidence of foreign statistics is about 1/10 million. Although there is no census of population in our country, it is not uncommon. As the early symptoms are not typical, the diagnosis is more difficult, it is easy to be ignored by patients and medical personnel.