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Objective: The aim of this prospective observational study was to establish a suitable model for the postnatal follow-up and management of prenatal renal and urinary tract anomalies in Shanghai, China.Methods: Minhang and Changning maternal child health care hospitals were selected to establish the integrated management model. Newborns with prenatal renal and urinary tract anomalies in these two centers were eligible to participate in the study from 2015 to 2017. All newborns were classified into three groups based on prenatal findings: (1) severe/complex urinary tract dilatation (UTD) with ureterectasia, (2) other renal and urinary tract abnormalities, and (3) isolated mild to moderate UTD. The newborns underwent their first postnatal ultrasound and follow-up according to the presumed management strategy. Demographic and clinical data were collected from all institutes.Results: A total of 129 newborns fulfilled the study criteria, and 121 completed the postnatal evaluation. Ten newborns in group 1 (n = 13) were diagnosed with obstructive uropathy, including 9 with ureteropelvic junction obstruction (UPJO) and one with megaureter. All 13 newborns in group 2 had consistent postnatal results and were followed under previously established procedures. Sixty-seven cases in group 3 (n = 95) had a UTD at their first scan at 42 postnatal days, and two were diagnosed with UPJO. A total of 2 infants with UPJO underwent surgery, and 71 (65.7%, 71/108) of the UTD cases were resolved.Conclusions: The majority of the patients had a favorable outcome. Close multidisciplinary collaboration among obstetricians, neonatologists, pediatricians, and pediatric nephrologists and urologists is mandatory. [ABSTRACT FROM AUTHOR]

ABSTRACT: Aim: To identify the variations in paediatric renal biopsy pathology and clinicopathological features during the past 31 years. Methods: A retrospective analysis of paediatric renal biopsies performed at a single institution in Shanghai from January 1979 to December 2009 was conducted. Results: The major pathologies included minor glomerular abnormalities (MGA, 26.1%), IgA nephropathy (IgAN, 17%) and mesangial proliferative glomerulonephritis (MsPGN) without IgA deposition (11.3%). The major clinical presentations included nephrotic syndrome (NS, 39.4%), haematuria with proteinuria (24.4%) and persistent microscopic haematuria (15.1%). MGA accounted for 46.9% of the cases in NS. IgAN and HSN accounted for 24% and 28.9% of patients with concomitant haematuria and proteinuria, and thin basement membrane nephropathy accounted for 51.2% of cases with persistent microscopic haematuria. The frequency of IgAN (78.6%) was much higher than that of TBMN (29.0%) in patients with persistent microscopic haematuria with abnormal urinary albumin. Conclusion: Minor glomerular abnormalities and IgAN were the major renal diseases in our study population, and the focus of our paediatric nephrologists. The high proportion of TBMN suggested that there should be limited use of renal biopsy for patients with persistent microscopic haematuria and renal biopsy should be performed in the presence of proteinuria or abnormal levels of urinary albumin. [ABSTRACT FROM AUTHOR]