Anorectal manometry

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Anorectal manometry
Medical diagnostics
OPS-301 code 1-315

Anorectal manometry is a technique used to measure contractility in the anus and rectum.[1][2] This technique uses a balloon in the rectum to distend the rectum and a pressure sensor at the internal anal sphincter to measure the presence or absence of the rectosphincteric reflex.

It may be used to assist in the diagnosis of Hirschsprung disease[3] in which there is an absence of the rectosphincteric reflex that should relax the internal anal sphincter upon distension of the rectum. It is also used in the assessment of rectocele.[2]

See also[edit]


  1. ^ Brookes D. Cash (15 September 2008). Curbside Consultation of the Colon: 49 Clinical Questions. SLACK Incorporated. pp. 67–. ISBN 978-1-55642-831-9. Retrieved 10 November 2010. 
  2. ^ a b Craft, T. M.; Parr, M. J. A.; Nolan, Jerry P. (2004-11-10). Key Topics in Critical Care, Second Edition. CRC Press. p. 1011. ISBN 9781841843582. 
  3. ^ Eli Ehrenpreis (October 2003). Anal and rectal diseases explained. Remedica. pp. 15–. ISBN 978-1-901346-67-1. Retrieved 10 November 2010.