Shokeir, A.A.

obstruction kidney group study doppler saline children ureteral ureteral obstruction value furosemide index function shokeir doppler ultrasonography patient infusion right urology right kidney ultrasonography decrease result 0.70 diuretic diuretic renography increase change uropathy ureteric renography group b hydronephrosi resistance release effect hydronephrotic recovery ureteric obstruction model catheter non-obstructed correlation doppler studies platt grade administration baseline condition contralateral kidney diagnosis hydronephrotic kidneys chapter relief contralateral minute adult tract induction ureter basal degree velocity ultrasound method non-obstructed kidneys introduction ri values blood flow recoverability response saline fluid load frusemide evaluation accuracy figure nephrology center university blood provoost