Internal anal sphincter achalasia in chronic functional constipation in children: A myth rather than reality
Author / Expert
Alireza S. Keshtgar, Zahra Almatar, Sadaf Kader, Mudher Al-Adnani, Moein Mobini, Haasher Monib, Simran Sehdev
Topic overview
Internal anal sphincter achalasia (IASA) is characterised by chronic constipation and it is diagnosed based on an absent rectoanal inhibitory reflex (RAIR) on manometry despite a ganglionated rectal biopsy. This study evaluates the pathophysiology of IASA in children with chronic functional constipation (CFC) and determines whether it represents a distinct disorder or a functional variant of constipation.
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