Fecobionics combines several existing tests to provide novel insight into anorectal function. The purpose for the development was to overcome the technological controversies and disagreement between various tests and unphysiological test conditions. The aim was to imitate defecation as much as possible to the natural process. Fecobionics was developed to simulate stool and to provide the driving pressure and resulting deformations of stool along with a measure of an objective anorectal angle during defecation in a single examination. Fecobionics makes it possible to describe objectively, without disturbing the defecation process, the opening characteristics and pressure signatures during initial entry into the relaxing anal canal. The overall goal is to provide mechanistic understanding of defecation in health and defecatory disorders. It exceeds previous attempts to make artificial stool for evaluation of defecation and integrates other technologies as well. It was designed to have a consistency and deformability of Type 4 (range type 3-5) on the Bristol stool form scale. The range from types 3-5 is found in 70% of healthy subjects. A major novelty is that Fecobionics measures pressures in axial direction; i.e., in the flow direction. It is anticipated that Fecobionics will shed light on the neurophysiology of defecation in health and disease, including understanding the effect of biofeedback and neuromodulatory effect of SNS. It will be of great value to provide endpoints in normal subjects that in future studies can be objective measures for monitoring treatment efficacy. The present protocol is on normal subjects only.
Age range
18 Years – 75 Years
Sex
ALL
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Duration-based device expulsion parameters
Timeframe: 1 year
Pressure-based device expulsion parameters
Timeframe: 1 year