Urodynamic Investigation of the Wide Ureter

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Abstract
Pressure flow studies constitute a valuable advancement in the investigation of wide ureters without reflux. These studies do not allow the determination of the adequacy of urine transport into the bladder. Radiological examination during perfusion is necessary to assess peristalsis and antiperistalsis, to determine the outflow to the bladder and to judge the geometric changes. Case studies reveal that it is difficult to assess the outflow to the bladder from measurements of renal pelvic pressure and of inflow.