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Fecal Incontinence
Aka: Fecal Incontinence, Stool Incontinence
- Definition
- Involuntary loss of bowel function with an inability to prevent stool passage
- Epidemiology
- Incidence: 2% (21% in elderly)
- Types
- Overflow
- Results from Fecal Impaction
- Reservoir
- Decreased rectal capacity
- Rectosphincteric
- Structural injury to anal sphincter
- Neurologic innervation disrupted to the anal sphincter
- History
- Rectal fullness or stool urgency
- Urinary Incontinence
- Fecal Impaction
- Dementia history
- Medications
- Laxative abuse
- See Diarrhea Secondary to Medications
- Anal sphincter injury history
- Colorectal surgery history
- Fourth degree Perineal Laceration with child birth
- Neurologic injury history
- Cerebrovascular Accident history
- Spinal cord injury
- Cauda equina symptoms
- Exam
- Neurologic Exam
- Digital Rectal Exam
- Assess for Fecal Impaction
- Assess for rectal tone
- Evaluation: Measures used by colorectal specialists
- Rectal tone quantification
- Anal manometry
- Evaluate for colon masses
- Lower endoscopy
- Evaluate for anal sphincter defect
- Ultrasound
- MRI
- Management: General
- Schedule stooling times after meals (especially in Dementia)
- Allow for easy restroom access
- Treat and prevent Fecal Impaction
- Consider biofeedback
- Loperamide (Imodium)
- Limit to occasional use only (e.g. travel)
- Risk of Constipation, Fecal Impaction and subsequent worse Fecal Incontinence
- Management: Surgery
- Indications
- Refractory Fecal Incontinence not responding to general measures
- Anal spincter dysfunction
- Anal sphincter muscle injury
- Rectal Prolapse
- Surgical repair options
- Overlapping sphincter repair
- Pelvic floor reconstruction
- Artificial bowel sphincter
- References
- Enck (1994) Dis Colon Rectum 37(10): 997-1001
- Fargo (2012) Am Fam Physician 85(6): 624-30
- Tariq (2007) Clin Geriatr Med 23(4): 857-69