Ultrasonographic Versus Renographic Parameters in Prediction of Early Success After Pyeloplasty in Children

Mansoura University100 enrolled

Overview

To study the predictive value of ultrasonographic (USG) parameters in the form of anteroposterior diameter , calyceal dilatation , calyx-to-parenchyma ratio , renal length , renal width , pelvis-to-cortex ratio (PCR) and parenchymal thickness versus renographic parameters in the form of T1/2 , differential renal function (DRF) and Tissue tracer transit (TTT) for early detection of children at risk of recurrent obstruction post unilateral pyeloplasty.

Study Type

INTERVENTIONAL

Allocation

Purpose

DIAGNOSTIC

Masking

NONE

Enrollment

100

Conditions

Pyeloplasty Pediatrics Renogram Ultrasonography

Interventions

Eligibility

Sex: ALLMin age: 6 MonthsMax age: 14 Years

Medical Language ↔ Plain English

Inclusion Criteria: * patients who will be scedueled for pyeloplasty Exclusion Criteria: * bilateral pathology * Pelvi-ureteric junction obstruction (PUJO) in a solitary kidney * other associated anomalies

Outcomes

Primary Outcomes

evaluate predictive value of ultrasonographic parameters for early detection of recurrent obstruction

assessed by Diuretic scintigraphy (T1/2) as the time it takes for the activity in the kidney to decrease to 50% of its maximum value measured in minutes

Time frame: 30 months

evaluate predictive value of ultrasonographic parameters for early detection of decrease renal function

assessed by Diuretic scintigraphy differential renal function (DRF) measured in millilitres/minute