Daytime Incontinence

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Basics

Description

  • Daytime wetting in a child ≥5 years of age warrants evaluation.
  • Causes of functional incontinence include an array of bladder storage and voiding disorders.
  • Voiding dysfunction is abnormal behavior of the lower urinary tract without a recognized organic cause, generally in the form of pelvic floor hyperactivity or bladder–sphincter discoordination.
  • Dysfunctional elimination syndrome describes the association between abnormal bladder and bowel behavior.

Prevalence

  • Studies in children 6–7 years of age have shown that 3.1% of girls and 2.1% of boys had an episode of wetting at least once per week.
  • Spontaneous cure rate of 14% per year without treatment
  • Of all children who wet, 10% have only daytime wetting, 75% wet only at night, and 15% wet during the day and at night.

Risk Factors

  • Constipation
  • Recurrent urinary tract infections (UTIs)
  • Diabetes mellitus/diabetes insipidus
  • Attention-deficit disorder/attention-deficit/hyperactivity disorder (ADD/ADHD)
  • Developmental delay

Genetics

  • Only anecdotal relationships have been seen in functional daytime incontinence, unlike studies showing genetic tendencies in nocturnal enuresis.
  • Increased rates of daytime wetting have been reported in urofacial (Ochoa) syndrome, an autosomal recessive condition, and Williams syndrome, which is the result of a deletion involving the elastin gene in chromosome 7.

Etiology

  • Neurogenic bladder (e.g., myelomeningocele)
  • Anatomic anomalies (e.g., ectopic ureter)
  • Obstructive uropathy (e.g., posterior urethral valves)
  • Bladder irritability caused by UTI
  • Constipation
  • Increased urinary output—polyuria
  • Infrequent or deferred voiding
  • Overactive bladder
  • Low functional bladder capacity, with detrusor instability during filling
  • Vaginal reflux
  • Giggle incontinence
  • Temperamental factors (e.g., short attention span, inattentiveness to body signals) in children who ignore the urge to void
  • Developmental differences in age at which toilet training is achieved

Commonly Associated Conditions

  • Constipation (common)
  • Nocturnal enuresis (common)
  • UTIs (common)
  • Vesicoureteral reflux is more common in children with voiding dysfunction due to elevated detrusor pressures that overcome a marginal vesicoureteral junction.

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Basics

Description

  • Daytime wetting in a child ≥5 years of age warrants evaluation.
  • Causes of functional incontinence include an array of bladder storage and voiding disorders.
  • Voiding dysfunction is abnormal behavior of the lower urinary tract without a recognized organic cause, generally in the form of pelvic floor hyperactivity or bladder–sphincter discoordination.
  • Dysfunctional elimination syndrome describes the association between abnormal bladder and bowel behavior.

Prevalence

  • Studies in children 6–7 years of age have shown that 3.1% of girls and 2.1% of boys had an episode of wetting at least once per week.
  • Spontaneous cure rate of 14% per year without treatment
  • Of all children who wet, 10% have only daytime wetting, 75% wet only at night, and 15% wet during the day and at night.

Risk Factors

  • Constipation
  • Recurrent urinary tract infections (UTIs)
  • Diabetes mellitus/diabetes insipidus
  • Attention-deficit disorder/attention-deficit/hyperactivity disorder (ADD/ADHD)
  • Developmental delay

Genetics

  • Only anecdotal relationships have been seen in functional daytime incontinence, unlike studies showing genetic tendencies in nocturnal enuresis.
  • Increased rates of daytime wetting have been reported in urofacial (Ochoa) syndrome, an autosomal recessive condition, and Williams syndrome, which is the result of a deletion involving the elastin gene in chromosome 7.

Etiology

  • Neurogenic bladder (e.g., myelomeningocele)
  • Anatomic anomalies (e.g., ectopic ureter)
  • Obstructive uropathy (e.g., posterior urethral valves)
  • Bladder irritability caused by UTI
  • Constipation
  • Increased urinary output—polyuria
  • Infrequent or deferred voiding
  • Overactive bladder
  • Low functional bladder capacity, with detrusor instability during filling
  • Vaginal reflux
  • Giggle incontinence
  • Temperamental factors (e.g., short attention span, inattentiveness to body signals) in children who ignore the urge to void
  • Developmental differences in age at which toilet training is achieved

Commonly Associated Conditions

  • Constipation (common)
  • Nocturnal enuresis (common)
  • UTIs (common)
  • Vesicoureteral reflux is more common in children with voiding dysfunction due to elevated detrusor pressures that overcome a marginal vesicoureteral junction.

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