Objectives: The aim of this study was to measure U-NAG in children with vesicoureteral reflux (VUR) and examine the relationship between selected clinical parameters.
Background: U-NAG/creatinine ratio is a marker of renal tubular impairment and an increase in this ratio have been reported to affect the kidneys in various diseases.
Methods: The U-NAG/creatinine ratio was measured in the spot urine of 22 children (10 boys and 12 girls, mean age 2.83 +/- 2.42 years) with VUR. In 8 patients The VUR was unilateral grade I-IV (8 patients), and it was was bilateral, grade I-V in 14 patients. In patients with bilateral reflux and different VUR grade on each side, the highest grade of VUR was taken into consideration.
Results: The U-NAG/Cr levels were significantly higher in VUR patients compared to the reference (p = 0.0001). There was no difference in U-NAG/Cr between children with unilateral (n = 8) and bilateral (n = 14) VUR (p = 0.66). There was no difference in U-NAG/Cr between patients with VUR grades I-III and IV-V (p = 0.67). The U-NAG/Cr activity was higher in patients with reflux nephropathy (RN; n = 9) when compared to reference data (p = 0.0001), however there was no difference in comparison to children without RN (p = 0.84).
Conclusions: U-NAG/Cr increased in children with VUR grade I-V and there is a very weak relationship with the grade of VUR. U-NAG/Cr is a useful marker of renal tubular impairment, however there is poor relationship with the degree of kidney damage in patients with VUR (Tab. 1, Ref. 25). Full Text (Free, PDF) www.bmj.sk.
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Investig Clin Urol
January 2025
Department of Urology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Purpose: To evaluate the feasibility of robot-assisted ureteral reconstruction as a minimally invasive alternative to open surgery for managing ureteric complications in transplanted kidneys.
Materials And Methods: From January 2020 to December 2023, robot-assisted ureteral reconstruction was performed on fifteen kidney transplant patients with vesicoureteral reflux (VUR) or ureteral stricture who had previously failed endoscopic treatments.
Results: Twelve females and three males, with a mean age of 48.
Pediatr Transplant
February 2025
Department of Pediatric Kidney Transplantation, Hospital Samaritano de São Paulo, São Paulo, Brazil.
Background: Congenital anomalies of the kidney and urinary tract (CAKUT) are a common cause of kidney failure in childhood. Renal transplantation is the modality of treatment used for kidney failure that promotes improved quality of life for pediatric patients. It is believed that patients with CAKUT are more predisposed to developing graft reflux in the post-transplant period, but its influence on graft survival is poorly understood.
View Article and Find Full Text PDFMedicina (Kaunas)
December 2024
School of Medicine, University of Zagreb, 10000 Zagreb, Croatia.
Despite being one of the most common infectious diseases, urinary tract infections (UTIs) still represent a challenge for clinicians to diagnose and treat, especially in the era of growing antibiotic resistance among uropathogenic bacteria. Recent studies investigating the pathophysiology of UTIs have discovered the prominent role of antimicrobial peptides in the urinary tract defense system. Cathelicidin is an evolutionary conserved antimicrobial peptide encoded by one single gene in humans.
View Article and Find Full Text PDFFront Pediatr
December 2024
Department of Medical Ultrasound, West China Hospital, Sichuan University, Chengdu, China.
Background: Vesicoureteral reflux (VUR) is a common pediatric urological condition associated with renal scarring, hypertension, and chronic kidney disease. Contrast-enhanced voiding urosonography (ceVUS) has emerged as a promising technique for diagnosing and evaluating VUR, with intrarenal reflux (IRR) often detected using this method. This study aimed to explore the relationship between different VUR grades and IRR on ceVUS, and assess the impact of VUR and IRR on kidney size and function.
View Article and Find Full Text PDFJ Pediatr Surg
December 2024
Department of Pediatric Urology, Department of Senior Pediatrics, The Seventh Medical Centre, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China; Medical School of Chinese People's Liberation Army (PLA), Beijing, China. Electronic address:
Purpose: To assess the surgical outcomes of Robot-Assisted Laparoscopic Extravesical Ureteral Reimplantation (RALUR-EV) in infants under one year of age with primary vesicoureteral reflux (VUR) as compared to older children.
Materials And Methods: A retrospective analysis was conducted on 48 children with VUR who underwent unilateral or bilateral RALUR-EV between June 2018 and December 2022. Patients were divided into two groups: Group A (25 infants under one year) and Group B (23 children over one year).
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