Nephrotic syndrome is considered to be a late complication of psoriasis, reported usually in adults and characterized by IgA nephropathy or focal segmental glomerulosclerosis. We report on four children in whom steroid-resistant nephrotic syndrome either preceded (n = 3), by 41-120 months, or occurred simultaneously (n = 1) with psoriasis; renal histology showed minimal change disease. Therapy with corticosteroids and cyclosporine resulted in remission of renal and cutaneous symptoms. Minimal change nephrotic syndrome and psoriasis might share similar mechanisms of pathogenesis involving cell-mediated immunity.

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PDC use is safe and associated with earlier negative fluid balance and improved clinical outcomes in infants at high risk for AKI. Routine PDC use should be considered for infants undergoing cardiopulmonary bypass. Further prospective studies are essential to prove causative effects of PDC placement in this population.

We have now prospectively validated the RAI as a functional risk stratification methodology in a heterogeneous group of critically ill patients, providing context to direct measurement of novel urinary biomarkers and improving the prediction of severe persistent AKI.

ImportanceIncreasing evidence indicates that acute kidney injury (AKI) occurs frequently in children and young adults and is associated with poor short-term and long-term outcomes. Guidance is required to focus efforts related to expansion of pediatric AKI knowledge.ObjectiveTo develop expert-driven pediatric specific recommendations on needed AKI research, education, practice, and advocacy.Evidence ReviewAt the 26th Acute Disease Quality Initiative meeting conducted in November 2021 by 47 multiprofessional international experts in general pediatrics, nephrology, and critical care, the panel focused on 6 areas: (1) epidemiology; (2) diagnostics; (3) fluid overload; (4) kidney support therapies; (5) biology, pharmacology, and nutrition; and (6) education and advocacy. An objective scientific review and distillation of literature through September 2021 was performed of (1) epidemiology, (2) risk assessment and diagnosis, (3) fluid assessment, (4) kidney support and extracorporeal therapies, (5) pathobiology, nutrition, and pharmacology, and (6) education and advocacy. Using an established modified Delphi process based on existing data, workgroups derived consensus statements with recommendations.FindingsThe meeting developed 12 consensus statements and 29 research recommendations. Principal suggestions were to address gaps of knowledge by including data from varying socioeconomic groups, broadening definition of AKI phenotypes, adjudicating fluid balance by disease severity, integrating biopathology of child growth and development, and partnering with families and communities in AKI advocacy.Conclusions and RelevanceExisting evidence across observational study supports further efforts to increase knowledge related to AKI in childhood. Significant gaps of knowledge may be addressed by focused efforts.

Purpose-Evaluate the independent and synergistic associations of fluid overload (FO) and acute kidney injury (AKI) with outcome in critically ill pediatric patients. Design-Secondary analysis of the AKI in Children Expected by Renal angina and Urinary Biomarkers (AKI-CHERUB, ) prospective observational study Setting-Single center quaternary level pediatric intensive care unit (PICU)Patients-149 children aged 3 months to 25 years with predicted PICU length of stay >48 hours, and an indwelling urinary catheter enrolled (9/2012-3/2014). AKI (defined by creatinine or urine output on day 3) and FO (≥20% on day 3) were used as outcome variables and risk factors for ICU endpoints assessed at 28 days.Results-AKI and FO occurred in 19.4% and 24.2% respectively. Both AKI and FO were associated with longer ICU length of stay (LOS) but neither maintained significance after multivariate regression. Delineation into unique FO/AKI classifications demonstrated that FO + patients experienced a longer ICU and hospital LOS and higher rate of mortality compared to FO − Address for correspondence (No re-prints will be requested) Rajit K Basu MD MS FCCM,

Relapses in steroid-sensitive nephrotic syndrome (SSNS) often follow infections of the respiratory or gastrointestinal tract. Based on data that zinc supplements reduce the risk of infections, we examined the efficacy of such supplements in reducing relapse rates in these patients. Eighty-one patients with SSNS (1-16 years old) were stratified into frequent (n = 52) and infrequent (n = 29) relapsers and randomized to receive 12-months of therapy with the recommended dietary allowance of zinc (10 mg/day) (n = 40) or placebo (n = 41). Patients with frequent relapses also received long-term, alternate-day prednisolone. Subjects receiving zinc showed a 20% lower frequency of relapses, with 44.7% of the patients having sustained remission compared to 27.5% in the placebo group (P > 0.05). Patients with frequent relapses receiving zinc showed a 28% reduction in relapse rates and a significantly higher likelihood of sustained remission (P = 0.02). Findings from this double blind, randomized study suggest that zinc supplementation results in trends towards remission and reduced relapses, especially in patients with frequent relapses. Prospective, adequately powered studies are required for confirmation of these findings.