anorectal manometry


Also found in: Acronyms.

anorectal manometry

A procedure that measures the tension in the external and internal anal sphincters, as part of a work-up for constipation or faecal incontinence.
 
Procedure
After evacuation of the bowel with enemas, a metal tube is inserted ± 15 cm through which a second, thinner tube is inserted, which has an inflatable balloon at its end; the pressure response of the rectal wall to the expanding balloon is measured.
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References in periodicals archive ?
Food and Drug (FDA) 510K clearance for its innovative mcompass anorectal manometry device.
The tests--colonic motility study, anorectal manometry, defecography, electromyography and pudendal nerve terminal motor latency--serve to differentiate a pelvic outlet obstruction, which is the problem in a majority of patients, from colonic inertia.
Both symptomatic women and those who might have occult anal sphincter injury (including those who had instrumental delivery, long second stage of labor, and high birth weight) should be evaluated using anal endosonography, anorectal manometry, and pudendal nerve assessment.
The product also fully integrates fecal disorder diagnostic capabilities, including anorectal manometry with standardized colorectal protocols and advanced neurodiagnostics for pudendal nerve latency studies, free run EMG and various pelvic floor nerve reflex studies.
There were no statistically significant changes in pre- and postprocedure endoanal ultrasound or anorectal manometry results (mean resting measures of 33 and 28 mm Hg; mean squeeze values of 56 and 59 mm Hg, respectively).