A novel method for measurement of the recto-anal inhibitory reflex using anal acoustic reflectometry.
Nick A HeywoodA SharmaE S KiffN KlarskovK J TelfordPublished in: Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland (2020)
We describe a novel method for the measurement of RAIR. Rectal distension appears to alter resting pressure and the resistance of the anal canal to opening and closing, with complete inhibition of the sphincter complex in three patients.