Timing and modality of kidney replacement therapy in children and adolescents

Introduction - The choice and timing of kidney replacement therapy (KRT) is influenced by clinical factors, laboratory features, feasibility issues, family preferences, and clinicians' attitudes. We analyzed the factors associated with KRT modality and timing in a multicenter, multinational pro...

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Main Authors: Thumfart, Julia Angelika (Author) , Wagner, Steffen (Author) , Kirchner, Marietta (Author) , Azukaitis, Karolis (Author) , Bayazit, Aysun K. (Author) , Obrycki, Lukasz (Author) , Canpolat, Nur (Author) , Bulut, Ipek Kaplan (Author) , Duzova, Ali (Author) , Anarat, Ali (Author) , Bessenay, Lucie (Author) , Shroff, Rukshana (Author) , Paripovic, Dusan (Author) , Sever, Lale (Author) , Candan, Cengiz (Author) , Lugani, Francesca (Author) , Yilmaz, Alev (Author) , Yalcinkaya, Fatos (Author) , Arbeiter, Klaus (Author) , Kiyak, Aysel (Author) , Zurowska, Aleksandra (Author) , Galiano, Matthias (Author) , Querfeld, Uwe (Author) , Melk, Anette (Author) , Schaefer, Franz (Author)
Format: Article (Journal)
Language:English
Published: September 2024
In: Kidney international. Reports
Year: 2024, Volume: 9, Issue: 9, Pages: 2750-2758
ISSN:2468-0249
DOI:10.1016/j.ekir.2024.06.009
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.ekir.2024.06.009
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S2468024924017686
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Author Notes:Julia Thumfart, Steffen Wagner, Marietta Kirchner, Karolis Azukaitis, Aysun K. Bayazit, Lukasz Obrycki, Nur Canpolat, Ipek Kaplan Bulut, Ali Duzova, Ali Anarat, Lucie Bessenay, Rukshana Shroff, Dusan Paripovic, Lale Sever, Cengiz Candan, Francesca Lugani, Alev Yilmaz, Fatos Yalcinkaya, Klaus Arbeiter, Aysel Kiyak, Aleksandra Zurowska, Matthias Galiano, Uwe Querfeld, Anette Melk and Franz Schaefer; on behalf of the 4C Study Group

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520 |a Introduction - The choice and timing of kidney replacement therapy (KRT) is influenced by clinical factors, laboratory features, feasibility issues, family preferences, and clinicians' attitudes. We analyzed the factors associated with KRT modality and timing in a multicenter, multinational prospective pediatric cohort study. - Methods - A total of 695 pediatric patients with chronic kidney disease (CKD) enrolled into the Cardiovascular Comorbidity in Children with CKD (4C) study at age 6 to 17 years with estimated glomerular filtration rate (eGFR) of 10 to 60 ml/min per 1.73 m2 were investigated. Competing risk regression was performed to identify factors associated with initiation of dialysis or preemptive transplantation (Tx), including primary renal diagnosis, demographics, anthropometrics, and laboratory parameters. - Results - During the 8-year observation period, 342 patients (49%) started KRT. Of these, 200 patients started dialysis, whereas 142 patients underwent preemptive Tx. A lower eGFR at enrolment (Hazard ratio [HR]: 0.76 [95% confidence interval: 0.74-0.78]), a steeper eGFR slope (HR: 0.90 [0.85-0.95], and a higher systolic blood pressure SD score (SDS) (HR: 2.07 [1.49-2.87]) increased the likelihood of KRT initiation. Patients with glomerulopathies were more likely to start dialysis than children with congenital anomalies of the kidneys and urinary tracts (CAKUT) (HR: 3.81 [2.52-5.76]). Lower body mass index (BMI) SDS (HR: 0.73 [0.6-0.89]) and lower hemoglobin (HR: 0.8 [0.72-0.9]) were associated with higher likelihood of dialysis. A significant center effect was observed, accounting for 6.8% (dialysis) to 8.7% (preemptive Tx) of explained variation. - Conclusion - The timing and choice of KRT in pediatric patients is influenced by the rate of kidney function loss, the underlying kidney disease, nutritional status, blood pressure, anemia and center-specific factors. 
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