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Fecal Impaction
Aka: Fecal Impaction
- See Also
- Constipation
- Definition
- Firm, hard, dry immovable stool in rectum or distal colon creating a partial or complete blockage
- Risk factors
- Elderly
- Immobile patients
- Incidence 1% in hospitalized patients
- Spinal cord injury patients
- Incidence: 13%
- Chronic Opioid use
- Hypothyroidism
- Low fiber diet
- Symptoms
- Constipation
- Diarrhea
- Frequent passage of small loose or liquid stools
- Results from leakage of stool around the impaction
- May result in overflow Fecal Incontinence
- Signs
- Firm, immovable mass of stool on rectal exam
- Imaging: Abdominal XRay
- Large stool collection in rectum and sigmoid colon
- Differential Diagnosis
- See Constipation Causes
- Diverticulitis
- Precautions: Red Flags suggesting other diagnosis
- Fever
- Bloody Diarrhea
- Leukocytosis
- Management
- Disimpaction with rectal exam
- Warm water or saline lavage
- Instill by rectal tube or Flexible Sigmoidoscopy
- Mineral Oil enema (or oral if no risk of aspiration)
- Dilatation of anus under general anesthesia
- Oral Polyethylene glycol (Miralax)
- Effective in 89% of cases
- Chen (2005) 21(10): 1595-602
- References
- Creason (2000) Nurs Diagn 11(1): 15-23
- Fargo (2012) Am Fam Physician 85(6): 624-30