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Encopresis

Encopresis
Classification and external resources
ICD-10 R15 F98.1
ICD-9-CM 307.7, 787.6
DiseasesDB 4221
MedlinePlus 001570
eMedicine ped/670
MeSH D004688

Encopresis (from the Ancient Greek ἐγκόπρησις / egkóprēsis), also known as paradoxical diarrhea, is voluntary or involuntary fecal soiling in children who have usually already been toilet trained. Persons with encopresis often leak stool into their undergarments.

This term is usually applied to children, and where the symptom is present in adults, it is more commonly known as fecal leakage (FL), fecal soiling or fecal seepage.[1]

Contents

  • Prevalence 1
  • Causes 2
  • Diagnosis 3
  • Traditional treatment 4
  • References 5
  • External links 6

Prevalence

The estimated prevalence of encopresis in four-year-olds is between one and three percent. The disorder is thought to be more common in males than females, by a factor of 6 to 1.

Causes

Encopresis is commonly caused by constipation, by reflexive withholding of stool, by various physiological, psychological, or neurological disorders, or from surgery (a somewhat rare occurrence).

The colon normally removes excess water from feces. If the feces or stool remains in the colon too long due to conditioned withholding or incidental constipation, so much water is removed that the stool becomes hard, and becomes painful for the child to expel in an ordinary bowel movement. A vicious cycle can develop, where the child may avoid moving his/her bowels in order to avoid the "expected" painful toilet episode. This cycle can result in so deeply conditioning the holding response that the rectal anal inhibitory response (RAIR) or anismus results. The RAIR has been shown to occur even under anesthesia and when voluntary control is lost. The hardened stool continues to build up and stretches the colon or rectum to the point where the normal sensations associated with impending bowel movements do not occur. Eventually, softer stool leaks around the blockage and cannot be withheld by the anus, resulting in soiling. The child typically has no control over these leakage accidents, and may not be able to feel that they have occurred or are about to occur due to the loss of sensation in the rectum and the RAIR. Strong emotional reactions typically result from failed and repeated attempts to control this highly aversive bodily product. These reactions then in turn may complicate conventional treatments using stool softeners, sitting demands, and behavioral strategies.

The onset of encopresis is most often benign. The usual onset is associated with toilet training, demands that the child sit for long periods of time, and intense negative parental reactions to feces. Beginning school or preschool is another major environmental trigger with shared bathrooms. Feuding parents, siblings, moving, and divorce can also inhibit toileting behaviors and promote constipation. An initiating cause may become less relevant as chronic stimuli predominate.

Diagnosis

The psychiatric (DSM-IV) diagnostic criteria for encopresis are:

  1. Repeated passage of feces into inappropriate places (e.g., clothing or floor) whether voluntary or unintentional
  2. At least one such event a month for at least 3 months
  3. Chronological age of at least 4 years (or equivalent developmental level)
  4. The behavior is not exclusively due to a physiological effect of a substance (e.g., laxatives) or a general medical condition, except through a mechanism involving constipation.

The DSM-IV recognizes two subtypes: with constipation and overflow incontinence, and without constipation and overflow incontinence. In the subtype with constipation, the feces are usually poorly formed and leakage is continuous, and this occurs both during sleep and waking hours. In the type without constipation, the feces are usually well-formed, soiling is intermittent, and feces are usually deposited in a prominent location. This form may be associated with oppositional defiant disorder (ODD) or conduct disorder, or may be the consequence of large anal insertions, or more likely due to chronic encopresis that has radically desensitized the colon and anus.

Traditional treatment

Many pediatricians will recommend the following three-pronged approach to the treatment of encopresis associated with constipation:

  1. cleaning out
  2. using stool softening agents
  3. scheduled sitting times, typically after meals.

The initial clean-out is achieved with enemas, laxatives, or both. The predominant approach today is the use of oral stool softeners like Movicol, Miralax, Lactulose, mineral oil, etc. Following that, enemas and laxatives are used daily to keep the stools soft and allow the stretched bowel to return to its normal size.

The child must be taught to use the toilet regularly to retrain his/her body. It is usually recommended that a child be required to sit on the toilet at a regular time each day and 'try' to go for 10–15 minutes, usually soon (or immediately) after eating. Children are more likely to be able to expel a bowel movement right after eating. It is thought that creating a regular schedule of bathroom time will allow the child to achieve a proper elimination pattern. Repeated voiding success on the toilet itself helps it to become a releasor stimulus for successful bowel movements.

Alternatively, when this method fails for six months or longer, a more aggressive approach may be undertaken using suppositories and enemas in a carefully programmed way to overcome the reflexive holding response and to allow the proper voiding reflex to take over. Failure to establish a normal bowel habit can result in permanent stretching of the colon. Certainly, allowing this problem to continue for years with constant assurances that the child "will grow out of it" should be avoided.

Dietary changes are an important management element. Recommended changes to the diet in the case of constipation-caused encopresis include:

  1. reduction in the intake of constipating foods such as dairy, peanuts, cooked carrots, and bananas
  2. increase in high-fiber foods such as bran, whole wheat products, fruits, and vegetables
  3. higher intake of water and liquids, such as juices, although an increased risk of diabetes and/or tooth decay has been attributed to excess intake of sweetened juices
  4. limit drinks with caffeine, including cola drinks and tea
  5. provide well-balanced meals and snacks, and limit fast foods/junk foods that are high in fats and sugars
  6. limit whole milk to 500 mL (16.9 ounces) a day for the child over 2 years of age, but do not completely eliminate milk because children need calcium for bone growth and strength.

The standard behavioral treatment for functional encopresis, which has been shown to be highly effective, is a motivational system such as a contingency management system.[2] In addition to this basic component, seven or eight other behavioral treatment components can be added to increase effectiveness.[3]

References

  1. ^ Senior editors Bruce G. Wolff; et al. (2007). The ASCRS textbook of colon and rectal surgery. New York: Springer.  
  2. ^ Patrick C. Friman, Kristi L. Hofstadter and Kevin M. Jones (2006): A Biobehavioral Approach to the Treatment of Functional Encopresis in Children. JEIBI 3 (3), page 263–272 BAO.
  3. ^ Patrick C. Friman, Kristi L. Hofstadter and Kevin M. Jones (2006): A Biobehavioral Approach to the Treatment of Functional Encopresis in Children. JEIBI 3 (3), page 263–272. BAO.

External links

  • Treatment of Encopresis and Chronic Constipation in Young Children: Clinical Results from Interactive Parent-Child Guidance
  • Soiling Solutions in Children
  • The Diagnostic and Statistical Manual of Mental Disorders
  • UCanPoopToo Internet Intervention for Encopresis.
  • Aboutencopresis Links.
  • Beating Sneaky Poo: Ideas for feacal soiling (2nd ed), by Terry Heins & Karen Ritchie. Free downloadable booklet for children, parents, teachers, and health professionals.
  • Treatment of encopresis by allowing the overt expression of anger.
  • Clean Kid Treatment Manual for Encopresis.
  • Encopresis, Cincinnati Children's Hospital Medical Center.
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