Failure of rectal expulsion as a cause of constipation: why fibre and laxatives sometimes fail.

@article{Turnbull1986FailureOR,
  title={Failure of rectal expulsion as a cause of constipation: why fibre and laxatives sometimes fail.},
  author={Geoffrey K. Turnbull and J E Lennard-jones and Clive I. Bartram},
  journal={Lancet},
  year={1986},
  volume={1 8484},
  pages={767-9}
}
High-fibre diet and laxatives are not always successful in the treatment of severe constipation. In a group of thirteen women with intractable constipation three experimental models of rectal evacuation showed that all had a disorder of defaecation. None could expel 120 ml barium paste as fast or as completely as could ten normal women; six could expel hardly any barium. Only three of the thirteen could expel a balloon containing 50 ml water from the rectum, whereas all of six normal subjects… CONTINUE READING