贲门失弛缓的特点是食管下段不能放松,上段食管运动减弱。多见于30～60岁患者,小儿十分少见。15岁以内的病例仅占3～5%,1岁以下更属罕见。在英文文献中,婴儿贲门失弛缓仅有11例报告,年龄最小的是2周。作者报告1例并进行了讨论。病例报告:10个月男孩,因6个月来反胃,时有呕吐就诊。出生4个月后,发现患儿常有反胃,7个月时开始有食后呕吐并出现烦躁、饥饿,近一个月来 Cardiac achalasia is characterized by slow esophageal can not relax, the upper esophageal motility weakened. More common in patients aged 30 to 60, infants are very rare. Cases within 15 years of age accounted for only 3 to 5%, more than 1 year of age is even rare. In the English literature, only 11 cases of infantile cardia ameliasia were reported, the youngest being 2 weeks. The author reported 1 case and discussed. Case Report: A 10-month-old boy who vomited while having nausea for 6 months. 4 months after birth, children often found nausea, 7 months after the onset of vomiting and irritability, hunger, nearly a month