Urinary carbohydrate antigen 19-9 level as a biomarker in children with acute pyelonephritis.

European Journal of Pediatrics
Abdol-Mohammad KajbafzadehMastaneh Moghtaderi

Abstract

Early and prompt diagnosis of pyelonephritis is of great importance in children. The aim of this study is to evaluate the diagnostic accuracy of urinary carbohydrate antigen 19-9 (CA19-9) levels for predicting acute pyelonephritis (APN) in children with urinary tract infection (UTI). Patients were allocated into two groups of APN and acute cystitis according to their diagnosis. Urine samples of all patients were collected. Also, complete history was taken, and physical examination, kidney and bladder ultrasonography, 99mTc-dimercaptosuccinic acid renal cortical scintigraphy, and urine analysis and culture were performed. Urinary CA19-9 was measured by an electrochemiluminescence enzyme immunometric kit. In addition, CA19-9 levels were measured in the APN group 2 weeks and 3 months later. A total of 100 children were included in this study (mean age 46 ± 31 months, 16 males and 84 females). CA19-9 levels were significantly greater in the APN group than acute cystitis group (510 ± 328 vs. 18.7 ± 18.6 U/ml, P < 0.001). During follow-up periods of the APN group, CA19-9 levels decreased to 180 ± 124 U/ml after 2 weeks (P < 0.001) and 30 ± 23 U/ml after 3 months (P < 0.001). Urinary CA-19-9 had 95.3% sensitivity and 80% specificity f...Continue Reading

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Citations

Mar 4, 2021·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·Grażyna KrzemieńAgnieszka Szmigielska

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