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Fibre density in idiopathic ano-rectal incontinence
G Dhaenens1, R Emblem, T Ganes
1Lab. Clin. Neurophysiology, Rikshospitalet, Oslo, Norway.
Electromyography and Clinical Neurophysiology
|August 1, 1995
Summary
Fibre density (FD) in the external anal sphincter (EAS) was higher in patients with anal incontinence. This objective measure correlates with symptoms and manometry, aiding diagnosis and surgical planning.
Area of Science:
- Gastroenterology
- Colorectal Surgery
- Neurology
Background:
- Idiopathic anal incontinence presents diagnostic challenges.
- Objective assessment of the external anal sphincter (EAS) is needed.
Purpose of the Study:
- Establish fibre density (FD) as a diagnostic tool for anal sphincter muscles.
- Correlate FD with incontinence symptoms and manometric data.
Main Methods:
- Measured FD in the EAS of 54 patients with anal incontinence.
- Compared FD to normative data from 18 control patients.
Main Results:
- FD was significantly increased in patients with anal incontinence.
- FD correlated with clinical incontinence symptoms.
- FD correlated with manometric parameters of anal canal function.
Conclusions:
- FD measurement is a valuable objective tool for assessing EAS denervation/reinnervation.
- Routine FD measurement is recommended for idiopathic anal incontinence.
- FD assessment aids in predicting surgical outcomes.