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本文对直肠内脱垂患者及对照者行排粪造影结合盆腔造影、直肠肛管测压、结肠通过时间测定。66例患者中无盆底腹膜陷凹异常的直肠粘膜脱垂（RMP）41例，其排便中肛直角和会阴位置变化显著增大、静息相和排便相会阴显著降低；盆底腹膜陷凹异常低、构成盆底疝疝囊并进入套叠鞘部的直肠全层套叠（FTRI）25例，其肛直角更钝，会阴更低，并有骶前间距增宽、骶尾骨曲率变小。FTRI深度大于RMP，但都起于肛缘上6～10cm处。RMP有肛管及直肠静息压、直肠最大耐受压降低、直肠顺应性升高、直肠容量正常；FTRI肛管静息压和咳嗽压均降低，直肠测压参数均正常。并发现异常会阴下降者有肛管压力降低，正常会阴下降者则无降低；肛管内FTRI较直肠内FTRI肛管静息压更低。结肠通过
In this paper, patients with rectal prolapse and the control line defecography combined with pelvic angiography, rectal anal pressure, colon transit time. Among the 66 patients, 41 cases of rectal mucosal prolapse without pelvic peritoneal pouch abnormalities (RMP) were found. The anal angle and position of perineum were significantly increased in defecation, and the perineal phase of resting phase and defecation decreased significantly. Abnormally low, constituting the pelvic floor hernia sac and intussusception into the sheath sheath 25 cases of full-thickness (FTRI), the anus right angle more blunt, lower perineal and presacral spacing widened, sacrococcygeal curvature becomes smaller . FTRI depth greater than the RMP, but all from the anal edge 6 ~ 10cm Department. RMP anal and rectal rest pressure, maximum rectal pressure drop, rectal compliance, rectum volume normal; FTRI anal canal resting pressure and cough pressure were reduced, rectal pressure measurement parameters were normal. And found that abnormal perineal descent anal canal pressure decreased, normal perineal descent was no reduction; intra-anal FTRI FTRI intrarectal anal lower resting pressure. The colon passes