Gender differences in the longitudinal pressure profile of the anal canal related to anatomical structure as demonstrated on three-dimensional anal endosonography.

@article{Williams2000GenderDI,
  title={Gender differences in the longitudinal pressure profile of the anal canal related to anatomical structure as demonstrated on three-dimensional anal endosonography.},
  author={Andrew B. Williams and Matthew J Cheetham and Clive I. Bartram and Steve Halligan and M. Kamm and Ralph John Nicholls and W. A. Kmiot},
  journal={The British journal of surgery},
  year={2000},
  volume={87 12},
  pages={1674-9}
}
BACKGROUND Anal canal squeeze pressure is assumed to be due to external sphincter contraction, but the contribution of other muscles has not been explored. METHODS Ten male and ten nulliparous female asymptomatic subjects had three-dimensional anal endosonography and manometry. Incremental squeeze pressures at 0. 5-cm intervals, expressed as a percentage of the maximum pressure recorded anywhere in the canal, were related to the following anatomical levels: puborectalis, overlap between… CONTINUE READING

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