Urinary Undiversion in Myelodysplasia: Criteria for Selection and Predictive Value of Urodynamic Evaluation

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Abstract
Urinary undiversion was done in 15 children with myelodysplasia and ileal conduits. The process of evaluation and the criteria for selection are described. Neurologic and psychologic factors have an important role. Electromyography of the external urethral sphincter is helpful in predicting which children would be continent after undiversion and in managing the neurogenic bladder postoperatively. Overall, a successful outcome was achieved in 2/3 of the children chosen for undiversion.