Pediatrics(구연) (NP-027)

Prevalence of Overt Overactive Bladder in Children with Primary Nocturnal Enuresis
울산대학교 의과대학 비뇨의학과교실
채종석, 문경현, 권택민, 박성찬
Purpose: Overactive bladder (OAB) symptoms might have been masked by poor fluid intake during the day. It is hypothesized, however, there have been no evaluation about that. It is aimed to evaluate the prevalence of OAB symptoms masked in children with primary nocturnal enuresis (PNE).

Materials and Methods: During last one year, 38 children (male:female, 20:18; mean age, 8.2 ± 2.1) who have newly diagnosed as PNE at Ulsan University Hospital were evaluated. Overt OAB was defined as patient’s maximal bladder capacity (MBC) from voiding diary is 75% or less rather than estimated MBC ((age+1)*30 mL) and there was no OAB symptoms including frequency, urgency, urgency urinary incontinence, tenesmus and voiding with abdominal straining. OAB symptoms were checked using history taking and questionnaire which include those symptoms.

Results: Fifteen (39.5%) among 38 children who have newly diagnosed as PNE did not have OAB symptoms. Eleven children (28.9%) had overt OAB (Figure 1). Four children (10.5%) had just no OAB symptoms and a relative functional bladder capacity.

Conclusions: Prevalence of overt OAB was relatively high in children who have newly diagnosed as PNE. In pediatric PNE, overt OAB should be evaluated from voiding diary in addition to history taking or questionnaire. And in definition of overt OAB, cut-off point of maximal bladder capacity that cause clinical problem should be defined.
keywords : OAB, Enuresis, Child, Prevalence

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