Placement of a fine-bore rectal balloon catheter in the anal canal does not affect anal sphincter pressures: improving our understanding of physiological function with 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)
Placement of a rectal balloon catheter alongside the AAR catheter has no significant effect on the measured AAR parameters. The results of this study add to the fundamental basic science and understanding of the physiological function of the anal canal.