Video cystometric recording of dilating reflux in infancy.

PURPOSE

Bladder hypercontractility has previously been suggested to occur in male infants with gross bilateral reflux, and the causal relationship between hypercontractility and reflux has been questioned.

MATERIALS AND METHODS

In this video urodynamic study of dilating reflux the association between reflux and bladder pressure was evaluated in 16 infants.

RESULTS

In our 11 male patients hypercontractility was noted often, usually with reflux that occurred simultaneously with an increase in detrusor pressure. In the 5 female patients no hypercontractility was noted and reflux occurred without an increase in detrusor pressure.

CONCLUSIONS

Our results further confirm the association between bladder dysfunction and dilating reflux in infants but with different patterns in male and female infants.