Anorectal manometry


We use anorectal manometry to detect altered coordination in the anorectal region during defecation.

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Anorectal manometry is prescribed for patients with constipation, incontinence and for studies prior to a surgical operation for haemorrhoids or fissures.

A laxative enema is performed 2 hours before the test so the operation can be carried out.

The examination takes about 20 minutes. The doctor inserts fine probes into the anus which are connected to a machine that reads the different pressures.

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A disorder may occur during defecation which basically consists of irregular or non-relaxation of the anal sphincter (called “expulsion disorder due to paradoxical contraction of the sphincter – anismus”).

This disorder can cause an alteration of intestinal rhythms, distal constipation, tenesmus or sensation of incomplete evacuation, and may also aggravate the onset of haemorrhoids, anal fissures or refractory anal pain.

Anorectal manometry is a useful and safe diagnostic procedure for studying anorectal function (pressure of anal sphincter, rectal sensitivity, distensibility, neuronal reflexes, relaxation of the sphincters during bowel movements).