Value of Urine Neutrophil Gelatinase Associated Lipocalin for Prediction of Ureteropelvic Junction Obstruction in Children

Author:

Mohajerzadeh LeilyORCID,Jahangiri Fariba,Salek Mahmood,Nickavar AzarORCID

Abstract

Background: Congenital obstructive nephropathy is a significant cause of chronic kidney damage in childhood. Therefore, early diagnosis and management of urinary tract obstruction are necessary to prevent or reduce further renal damage. Various biomarkers have been investigated for the early identification of urinary tract obstruction. Objectives: The aim of this study was to evaluate the excretion of urine neutrophil gelatinase-associated lipocalin (Urine neutrophil gelatinase-associated lipocalin (uNGAL) & uNGAL/Cr) as a useful, sensitive, and non-invasive diagnostic biomarker in children with ureteropelvic junction obstruction (UPJO). Methods: The study cohort consisted of 47 children with obstructive UPJO and 47 healthy children with normal renal ultrasounds. Ultrasonography and 99mTc DTPA radionuclide scans were used for diagnosing UPJO. All affected children had normal renal function based on GFR measurements. Urine neutrophil gelatinase-associated lipocalin was measured using Immunoenzymatic ELISA commercial kits. Results: Urine neutrophil gelatinase-associated lipocalin & uNGAL/Cr levels were significantly higher in children with obstructive UPJO compared to the healthy control group. Additionally, both biomarkers demonstrated acceptable sensitivity and specificity for predicting for predicting UPJO. Conclusions: Based on these results, measuring uNGAL & uNGAL/Cr is suggested for evaluating children with obstructive UPJO.

Publisher

Briefland

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