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Simulated stool for assessment of anorectal physiology

Fecal continence is maintained by several mechanisms including anatomical factors, anorectal sensation, rectal compliance, stool consistency, anal muscle strength, mobility, and psychological factors. The homeostatic balance is easily disturbed, resulting in symptoms including fecal incontinence and...

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Bibliographic Details
Published in:American journal of physiology: Gastrointestinal and liver physiology 2020-10, Vol.319 (4), p.G462-G468
Main Authors: Chen, Ssu-Chi, Futaba, Kaori, Leung, Wing Wa, Wong, Cherry, Mak, Tony, Ng, Simon, Gregersen, Hans
Format: Article
Language:English
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Summary:Fecal continence is maintained by several mechanisms including anatomical factors, anorectal sensation, rectal compliance, stool consistency, anal muscle strength, mobility, and psychological factors. The homeostatic balance is easily disturbed, resulting in symptoms including fecal incontinence and constipation. Current technologies for assessment of anorectal function have limitations. Overlap exist between data obtained in different patient groups, and there is lack of correlation between measurements and symptoms. This review describes a novel technology named Fecobionics for assessment of anorectal physiology. Fecobionics is a simulated stool, capable of dynamic measurements of a variety of variables during defecation in a single examination. The data facilitate novel analysis of defecatory function as well as providing the foundation for modeling studies of anorectal behavior. The advanced analysis can enhance our physiological understanding of defecation and future interdisciplinary research for unraveling defecatory function, anorectal sensory-motor disorders, and symptoms. This is a step in the direction of improved diagnosis of anorectal diseases.
ISSN:0193-1857
1522-1547
DOI:10.1152/ajpgi.00242.2020