514 Abnormal Anal Sphincter Response in Children with Chronic Constipation

Abstract

The continuous high tone of the internal anal sphincter relaxes on rectal distension (rectosphincteric reflex, RSR). This is an important factor in allowing outward passage of rectal contents. We compared anal tone and RSR in 70 chronically constipated (Pts) and 18 healthy (C) 4-12 year old children. Anal tone was measured using a strain gauge (Honeywell MP… (More)
DOI: 10.1203/00006450-198104001-00527

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