The goal of this observational study is to conduct a multicenter, prospective neonatal acute kidney injury (AKI) follow-up cohort to describe the clinical characteristics of chronic kidney disease (CKD) in AKI cases within 1 year of follow-up and screen for effective biomarkers that can early warn of CKD progression. Ultimately, a neonatal AKI adverse prognosis warning model based on multidimensional data will be established to provide new data and new models for CKD management.
Delivered in this hospital and subsequently admitted to the NICU during the study period;
Diagnosed with neonatal AKI according to the 2015 KDIGO neonatal AKI criteria;
Age <28 days.
Severe hydronephrosis diagnosed by prenatal renal ultrasound;
Patients with congenital urinary malformations, including solitary kidney, cystic dysplasia, multicystic dysplastic kidney, renal dysplasia, and obstructive uropathy;
Newborns who required congenital heart surgery within the first 7 days after birth;
Newborns whose mothers had a history of renal failure;
Patients who gave birth, were admitted to NICU and were diagnosed with neonatal AKI from Jan 2025 to Dec 2025 at the Women and Children's Medical Center of Guangzhou Medical University and other hospitals participating in this project.
Cohort
Prospective
Not listed
Incidence of chronic kidney disease (CKD)
The incidence of CKD stage 3-5 (eGFR \< 60 ml/min) within 1, 2, and 3 years of follow-up
Mortality
Incidence of renal replacement therapy
Incidence of proteinuria
Incidence of height retardation
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