Histological and urodynamic study of the bladder in enuretic children

Area of Science:

• Urology
• Pediatric Urology
• Cellular Biology

Background:

• Childhood enuresis, or bedwetting, is a common condition with various potential causes.
• Bladder trabeculation, characterized by thickened bladder walls, is typically associated with bladder outlet obstruction in adults.
• The histological and urodynamic features of bladder trabeculation in children with enuresis are not well understood.

Purpose of the Study:

• To investigate the presence and characteristics of bladder trabeculation in children experiencing enuresis.
• To compare the histological and urodynamic findings in enuretic children with those observed in adult obstructive conditions.
• To explore potential correlations between clinical symptoms and observed bladder abnormalities.

Main Methods:

• A cohort of 12 children with enuresis underwent cystoscopy for visual examination of the bladder.
• Light microscopy was employed to analyze bladder tissue samples for histological changes.
• Urodynamic measurements were performed to assess bladder function, including stability and voiding pressures.

Main Results:

• Cystoscopic examination revealed trabeculation in 10 out of 12 enuretic children.
• Histological analysis showed collagen infiltration, a hallmark of adult obstructive trabeculation.
• Urodynamic testing indicated bladder instability in 10 children, with voiding at high pressures, similar to adult enuretics.
• No significant correlation was found between enuresis symptoms and cystoscopic or histological findings.

Conclusions:

• Bladder trabeculation, histologically similar to adult obstructive types, is prevalent in children with enuresis.
• Urodynamic findings in these children resemble those of adult enuretics, suggesting potential shared pathophysiological mechanisms.
• The study highlights the need for further research into the etiology and management of enuresis, considering bladder structural changes.