Evacuation proctography: An investigation of rectal expulsion in 20 subjects without defecatory disturbance

  title={Evacuation proctography: An investigation of rectal expulsion in 20 subjects without defecatory disturbance},
  author={Clive I. Bartram and Geoffrey K. Turnbull and J E Lennard-jones},
  journal={Gastrointestinal Radiology},
Evacuation proctography is a dynamic investigation of rectal expulsion that records the voluntary evacuation of thick barium paste on videotape. Evacuation is a passive phenomenon in a defined zone of the rectum, associated with pelvic floor descent of 3 cm from a resting position of the anorectal junction <2 cm above the plane of the ischial tuberosities. The anal canal does not open immediately; it takes about 4.5 sec to open to a maximum diameter of 1.5 cm, with rectal emptying in 11 sec… CONTINUE READING


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