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便秘不是一个病,而是多种疾病的一个症状。便秘是指排便不规则,便次少,排便困难,不适和疼痛。便秘可能是因出口阻塞引起。某些情况只有在排便时才发生。排粪造影是发现排便功能紊乱的适宜方法。作者于1982～1984年进行121例排粪造影。本文报告12例。男女各半,年龄24～64(平均38)岁;都有排便困难,便次3～21(平均10)天一次;虽常用缓泻剂,但都无效果。会阴部检查、直肠指检、乙状结肠镜检及钡灌肠均未发现异常。排粪造影时发现用力排便时肛直角不增大,而仍保持90°左右,并且都不能排出所用钡剂。因为肛直角代表盆底肌群的活动度,上述情况提示用力排便时,盆底肌群并不松弛,仍处收缩状态而阻障排出。这是一种异常表现。
Constipation is not a disease, but a symptom of many diseases. Constipation refers to irregular bowel movements, less frequent bowel movements, difficulty in defecation, discomfort and pain. Constipation may be caused by an obstruction in the outlet. In some cases, it occurs only when defecation occurs. Defecography is a suitable method for detecting defecation disorders. The author conducted 121 cases of defecography in 1982 ~ 1984. This article reports 12 cases. Half of men and women, aged 24 to 64 (average 38) years of age; have difficulty in defecation, then times 3 to 21 (average 10) once a day; although commonly used laxatives, but no effect. Perineal examination, digital rectal examination, sigmoidoscopy and barium enema were not found abnormalities. Defecography found forced defecation anal angle does not increase, while still maintaining about 90 °, and can not discharge the barium used. Because the anorectal angle represents pelvic floor muscle activity, the above conditions suggest forced defecation, pelvic floor muscle group is not relaxed, still contracting state and barrier discharge. This is an abnormal performance.