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Pediatric Infectious Disease Journal:
doi: 10.1097/INF.0b013e3182905d83
Original Studies

Role of Procalcitonin in Predicting Dilating Vesicoureteral Reflux in Young Children Hospitalized With a First Febrile Urinary Tract Infection

Sun, Hai-Lun MD, PhD*†; Wu, Kang-Hsi MD‡§; Chen, Shan-Ming MD, PhD*†; Chao, Yu-Hua MD*†¶; Ku, Min-Sho MD, PhD*†; Hung, Tong-Wei MD¶‖; Liao, Pen-Fen MD; Lue, Ko-Huang MD, PhD*†; Sheu, Ji-Nan MD, PhD*†

Erratum

Erratum

In the article on page e348, volume 32, number 9 of The Pediatric Infectious Disease Journal the first affiliation is incorrect. The first affiliation should read “*School of Medicine, Chung Shan Medical University” We have two titles; one is the “School of Medicine, Chung Shan Medical University.

The Pediatric Infectious Disease Journal. 32(12):e450, December 2013.

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Abstract

Objective:

The aim of this article was to assess the usefulness of procalcitonin (PCT) as a marker for predicting dilating (grades III–V) vesicoureteral reflux (VUR) in young children with a first febrile urinary tract infection.

Methods:

Children ≤2 years of age with a first febrile urinary tract infection were prospectively evaluated. Serum samples were tested for PCT at the time of admission to a tertiary hospital. All children underwent renal ultrasonography (US), 99mTc-dimercaptosuccinic acid renal scan, and voiding cystourethrography. The diagnostic characteristics of PCT test for acute pyelonephritis and dilating VUR were calculated.

Results:

Of 272 children analyzed (168 boys and 104 girls; median age, 5 months), 169 (62.1%) had acute pyelonephritis. There was VUR demonstrated in 97 (35.7%), including 70 (25.7%) with dilating VUR. The median PCT value was significantly higher in children with VUR than in those without (P < 0.001). Using a PCT cutoff value of ≥1.0 ng/mL, the sensitivity and negative predictive value for predicting dilating VUR were 94.3% and 95.4%, respectively, for PCT, and 97.1% and 97.8%, respectively, for the combined PCT and US studies, whereas the positive and negative likelihood ratios were 2.03 and 0.107, respectively, for PCT, and 1.72 and 0.067, respectively, for the combined studies. By multivariate analysis, high PCT values and abnormalities on US were independent predictors of dilating VUR.

Conclusions:

PCT is useful for diagnosing acute pyelonephritis and predicting dilating VUR in young children with a first febrile urinary tract infection. A voiding cystourethrography is indicated only in children with high PCT values (≥1.0 ng/mL) and/or abnormalities found on a US.

Copyright © 2013 by Lippincott Williams & Wilkins

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