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Copyright of Paediatrics & Family Medicine / Pediatria i Medycyna Rodzinna is the property of Medical Communications Sp. z o.o. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Review of Medicine / Przeglad Lekarski is the property of Wydawnictwo Przegld Lekarski / Publisher Medicine Review and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Review of Medicine / Przeglad Lekarski is the property of Wydawnictwo Przegld Lekarski / Publisher Medicine Review and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: Urinary tract infection (UTI) occurs in 1.1% of girls and 1.4% of boys during the first year of life. Asymptomatic bacteriuria (ABU) is usually detected incidentally in 0.9% of girls and 2.5% of boys at this age. The aim of the study was to assess the usefulness of measurement of pro-inflammatory urine interleukin (IL )-6 and IL -8 concentrations and anti-inflammatory transforming growth factor β1 (TGF-β1) level in infants with febrile UTI, non-febrile UTI and ABU. Material and methods: A total of 35 children, mean age 6.14 ±3.47 months, were divided into three groups: group I - febrile UTI (n = 13), group II - non-febrile UTI (n = 13) and group II - ABU (n = 9). At the time of enrollment urine IL -6, IL -8, TGF-β1 and serum C-reactive protein (CR P), erythrocyte sedimentation rate (ESR ), and white blood cell count (WBC) were measured. Renal ultrasound was performed in all children, 99mTc-dimercaptosuccinic acid scintigraphy (DMSA ) and voiding cystourethrography in children with UTI. Results: Urine concentrations of IL -6 and IL -8 were significantly higher in febrile UTI compared to those with non-febrile UTI and ABU (p < 0.5, p < 0.01) and positively correlated with CR P, ESR and WBC (p < 0.01). Urine levels of TGF-β1 were significantly higher in children with febrile UTI compared to those with ABU (p < 0.05) and positively correlated with WBC (p < 0.01). Inflammatory changes in the DMSA scan were detected in 66.6% of children with UTI. No significant difference in frequency of an abnormal DMSA scan compared to a normal scan was found in groups with febrile and non-febrile UTI. No relations between urine cytokines, systemic inflammatory markers and changes in DMSA scan were observed. The cutoff value for detection of inflammatory changes in the DMSA scan for IL -8 was 120 pg/mg creatinine (Cr) and 40 pg/mg Cr for TGF-β1. Based on this value, the sensitivity for IL -8 was 58.3%, specificity 100% and for TGF-β1 66.7% and 83.7%, respectively. Conclusions: We found significant differences in children with febrile UTI and ABU regarding urine IL -6, IL -8 and TGF-β1 levels. Urine cytokines and systemic inflammatory markers do not differentiate between upper and lower UTI in infants [ABSTRACT FROM AUTHOR]

Unilateral multicystic dysplastic kidney (MCKD) is detected with an incidence of 1:2400 to 1:4300 births. We report an infant with intestinal duplication, which was initially misdiagnosed with an abdominal ultrasonography as MCDK. However, the final diagnosis was established by contrast computed tomography. We conclude that in children with suspected MCKD a differential diagnosis of intestinal duplication should also be considered. [ABSTRACT FROM AUTHOR]

Acute kidney injury (AKI) is diagnosed in 3-8 percent of newborns treated in neonatal intensive care units. Difficulty in feeding is one of possible etiologies of AKI. We present a case of a newborn, in whom inappropriate breast feeding caused severe hypernatremic dehydration and AKI. [ABSTRACT FROM AUTHOR]

Background: The efficacy of continuous antibiotic prophylaxis in preventing urinary tract infection (UTI) in infants with grade III, IV, or V vesicoureteral reflux is controversial., Methods: In this investigator-initiated, randomized, open-label trial performed in 39 European centers, we randomly assigned infants 1 to 5 months of age with grade III, IV, or V vesicoureteral reflux and no previous UTIs to receive continuous antibiotic prophylaxis (prophylaxis group) or no treatment (untreated group) for 24 months. The primary outcome was the occurrence of the first UTI during the trial period. Secondary outcomes included new kidney scarring and the estimated glomerular filtration rate (GFR) at 24 months., Results: A total of 292 participants underwent randomization (146 per group). Approximately 75% of the participants were male; the median age was 3 months, and 235 participants (80.5%) had grade IV or V vesicoureteral reflux. In the intention-to-treat analysis, a first UTI occurred in 31 participants (21.2%) in the prophylaxis group and in 52 participants (35.6%) in the untreated group (hazard ratio, 0.55; 95% confidence interval [CI], 0.35 to 0.86; P = 0.008); the number needed to treat for 2 years to prevent one UTI was 7 children (95% CI, 4 to 29). Among untreated participants, 64.4% had no UTI during the trial. The incidence of new kidney scars and the estimated GFR at 24 months did not differ substantially between the two groups. Pseudomonas species, other non- Escherichia coli organisms, and antibiotic resistance were more common in UTI isolates obtained from participants in the prophylaxis group than in isolates obtained from those in the untreated group. Serious adverse events were similar in the two groups., Conclusions: In infants with grade III, IV, or V vesicoureteral reflux and no previous UTIs, continuous antibiotic prophylaxis provided a small but significant benefit in preventing a first UTI despite an increased occurrence of non- E. coli organisms and antibiotic resistance. (Funded by the Italian Ministry of Health and others; PREDICT ClinicalTrials.gov number, NCT02021006; EudraCT number, 2013-000309-21.)., (Copyright © 2023 Massachusetts Medical Society.)

Congenital obstructive nephropathy (CON) is one of the most common causes of chronic kidney disease in children. The aim of the study was to investigate serum and urine periostin and cytokeratin-18 (CK-18) in children with CON in relation to CON etiology, treatment, and kidney injury. We evaluated 81 children with CON secondary to ureteropelvic junction obstruction (UPJO), ureterovesical junction obstruction (UVJO), posterior urethral valves (PUV) and 60 controls. Neither biomarker demonstrated any relation to CON etiology. However, all patients showed significantly higher urine periostin (uPeriostin) and uPeriostin/Cr levels than the controls. Also, UVJO patients showed higher sCK-18 and uCK-18/Cr levels, and PUV patients showed higher uCK-18/Cr levels than the controls. Neither biomarker was found to have any relation to CON treatment. However, conservatively treated children and those before and after surgery showed significantly higher uPeriostin and uPeriostin/Cr levels than the controls. uPeriostin strongly correlated with differential renal function (DRF) < 40%. The ROC analysis demonstrated the best area under the curve (AUC) for uPeriostin (0.831) and uPeriostin/Cr (0.768), and low for sPeriostin (0.656) and uCK-18 (0.615) for detecting renal injury. In conclusion, although serum and urine periostin and CK-18 did not display any relation to etiology or the type of CON treatment, uPeriostin seems to be a useful tool for detecting renal injury in children with CON, especially due to its strong negative correlation with DRF < 40%., Competing Interests: The authors declare no conflict of interest., (Copyright © 2022 Termedia.)

Aim: The aim of the study was to assess clinical profile of neonates with hypernatremic dehydration (HD) and identify risk factors associated with acute kidney injury (AKI)., Materials and Methods: A retrospective study included 18 neonates with HD (serum Na ≥150 mmol/L) hospitalized in the Department of Pediatrics and Nephrology between the years 2009-2019., Results: The age at presentation was 7.5±4.7 days (range 2-18), weight loss was 15.9±8.3% (range 7.1-32.6) and serum Na range was 151- 192 mmol/L (median 155.5 mmol/L). In 12 (67%) neonates, breast or mixed fed, HD occurred due to inadequate milk intake, in 6 (33%) neonates feeding difficulties were secondary to an acute infection. There was positive correlation between serum Na level and percentage weight loss at presentation (r=0.88; p<0.001). In 6 (33%) patients serious complications of HD were found: AKI in 5 patients, convulsions in one. Percentage weight loss was significantly higher in neonates with HD-associated AKI than in neonates with HD without AKI (p<0.01). Serum Na level was marginally higher in neonates with AKI than in those without AKI (p=0.08). In univariate logistic regression analysis, higher percentage of weight loss and higher serum Na level at presentation were important diagnostic factors of AKI in neonates with HD (both p<0.05). ROC analysis determined good diagnostic profile only for percentage weight loss, with a best cut-off value of 24.8%, for predicting AKI in neonates with HD (AUC 0.862, sensitivity 80%, specificity 100%)., Conclusions: Neonatal HD mostly occurs due to inadequate milk intake in breast or mixed fed babies, and rarely due to feeding difficulties in babies affected by an acute infection. Percentage weight loss at presentation has strong association with neonatal HD and is the most important factor of AKI in neonates with HD., (© 2020 MEDPRESS.)