[Characteristics of kidney function before and after surgical treatment of obstructive pyelonephritis in children]. / Kharakterystyka funktsiï nyrok do ta pislia operatyvnoho likuvannia obstruktyvnoho piielonefrytu u ditei.

Using the clearance method in children with obstructive pyelonephritis were investigated the changes of the renal excretory and ion-regulating functions before and after the operation. After performance of the operation the renal function had worsened.