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Improving quality of care delivery is an important focus for all practicing physicians. Frontline clinicians are in a great position to identify clinical problems and find innovative solutions. The current review describes the method used for quality improvement based on the Model for Improvement, a structural framework to guide improvement work. At its basis are three fundamental questions: What are we trying to accomplish? How will I know that a change will lead to improvement? And what changes could we make that will result in improvement? This preparation phase aims to identify and understand the problem, choose an intervention, and determine reliable measures to gauge improvement. The intervention is then tested using PLAN-DO-STUDY-ACT (PDSA) cycles, an iterative approach to systematically improve processes and outcomes. PLAN focuses on defining the goal of the cycle and describing in details what will be done. DO concentrates on the concrete application of the plan. STUDY focuses on data analyses as ACT identifies lessons learned from the cycle and orientate the goals of the following PDSA cycle. Learning from each cycle, developing an interdisciplinary team and repeated interventions are core principles involved in implementing a sustainable quality improvement program. The Model for Improvement will be illustrated by a common quality problem in pediatric nephrology.

Background: The circumstances surrounding chronic kidney disease and its impact on families can be complex and difficult to navigate, leading to these cases being labeled "challenging." Case presentation: We present the case of an adolescent with kidney failure due to unremitting systemic illness and multiple complications ultimately resulting in the family's request to forgo dialysis. Medical team members wrestled with meeting the family's needs among internal and external constraints. Conclusion: Past experiences, systemic inequities, differing perspectives, and consequential decision-making within individual belief systems can lead to friction between and among medical team members and families. As pediatric nephrologists, we must shift our focus from the "challenging" patient or family to addressing what is challenging their ability to flourishing. [ABSTRACT FROM AUTHOR]

The purpose of the review is to summarize the current pharmacological management of chronic kidney disease (CKD) in pediatric patients and critically present emerging evidence for the use of mineralocorticoid receptor antagonists and sodium-glucose cotransporter-2 (SGLT2) inhibitors. Globally, CKD is the 19th leading cause of years of life lost and the current total number of children and adolescents affected with CKD Stages II-V is predicted to exceed 2 million in a global population of 2 billion children. The severity of kidney disease is strongly correlated with the extent of proteinuria. Agents that target the renin-angiotensin-aldosterone-system reduce proteinuria in mild to moderate CKD, slowing disease progression. Recent clinical trials evaluating mineralocorticoid receptor antagonists, such as finerenone and SGLT2 inhibitors, demonstrate similar results. However, additional pediatric clinical trials are necessary to determine their complete therapeutic potential. [ABSTRACT FROM AUTHOR]

Objective The objective of this study was to identify nephrology topics of lowest perceived competency and importance for general paediatricians. Methods Surveys were distributed to general paediatricians, paediatric residents, paediatric residency program directors, and paediatric nephrologists. Perceived importance and competence were rated on a 5-point Likert scale. Means and 95% confidence intervals were calculated. Results Mean perceived competency from general paediatricians across all nephrology domains was 3.0, 95%CI (2.9 to 3.1) and mean importance was 3.2, 95%CI (3.1 to 3.3). Domains scoring below the means for competence and importance, respectively were kidney stones (2.5, 95%CI [2.2 to 2.7]) and 2.6, 95%CI [2.3 to 2.8]), acute kidney injury (2.5, 95%CI [2.2 to 2.8] and 2.4, 95%CI [2.1 to 2.8]), chronic kidney disease (1.9, 95%CI [1.7 to 2.2] and 2.1, 95%CI [1.8 to 2.4]), tubular disorders (1.8, 95%CI [1.6 to 2.0] and 2.0, 95%CI [1.8 to 2.3]), and kidney transplant (1.6, 95%CI [1.4 to 1.8] and 1.7, 95%CI [1.4 to 1.9]). Residents, program directors, and paediatric nephrologists agreed that stones, chronic kidney disease, tubular disorders, and transplant were of lower importance. However, acute kidney injury was the domain with the largest discrepancy in perceived importance between residents (4.4, 95%CI [4.2 to 4.6]), nephrologists (4.2, 95%CI [3.8 to 4.6]), and program directors (4.2, 95%CI [3.7 to 4.7]) compared to general paediatricians ([2.4, 95%CI [2.1 to 2.8]; P<0.05). Conclusion Paediatricians did not believe acute kidney injury was important to their practice, despite expert opinion and evidence of long-term consequences. Educational interventions must address deficits in crucial domains of renal health in paediatrics. [ABSTRACT FROM AUTHOR]

Background: Intra-dialytic hypotension (IDH) is the most common serious adverse event in paediatric haemodialysis (HD). Repeated IDH results in chronic multi-organ damage and increased mortality. At the Hospital for Sick Children, Toronto, retrospective data from all in-centre HD sessions revealed frequently occurring IDH events (16.5 ± 5.6% of HD sessions per week). Based on literature review and clinical expertise, fluid volume management was selected as a potential modifiable risk factor to decrease IDH. Root causes identified as contributing to IDH were incorporated into a Paediatric haemodialysis fluid volume management (PedHDfluid) program using the Model for Improvement methodology including rapid cycles of change. Methods: Multiple measures were evaluated including (i) Outcome: IDH events per number of HD sessions per week; (ii) Process: number of changes to estimated dry weight per number of HD sessions per week; (iii) Balancing: time spent on dry weight meeting per week. Data was analysed using statistical process control charts. We aimed to decrease IDH in our dialysis unit to < 10% of HD sessions per week over a 6-month period by implementing a PedHDfluid program, including a multifaceted dry weight assessment protocol, multidisciplinary meetings and electronic health records "Dry Weight Evaluation flow sheet/synopsis". Results: The project resulted in a decline in IDH events from 16.5 ± 5.6% to 8.8 ± 3.3% of HD sessions per week. More frequent dry weight changes and increased awareness of fluid removal goals were noted. Conclusions: A multidisciplinary approach including regular assessment, guidelines and systematic discussion, with an embedded electronic health record assessment and data gathering tool may sustainably reduce IDH events. A higher resolution version of the Graphical abstract is available as Supplementary information [ABSTRACT FROM AUTHOR]

Background: Low birth weight (LBW)/prematurity have been proposed as risk factors for the development of kidney disease in adulthood. Whether there is an association between LBW/prematurity and poor renal outcomes in childhood onset nephrotic syndrome remains unknown. Methods: Children with nephrotic syndrome diagnosed between 1 and 18 years of age were followed prospectively from 1996 to 2016 at The Hospital for Sick Children (N = 377). LBW/prematurity was defined as birth weight < 2500 g or gestational age < 36 weeks. Normal birth weight (NBW) was defined as birth weight ≥ 2500 g. Measures evaluating clinical course of nephrotic syndrome include initial steroid-resistant nephrotic syndrome (SRNS), time to first relapse, and frequently relapsing nephrotic syndrome. Kaplan-Meier survival analysis, logistic regression, and Cox proportional hazards regression were used to determine the association of LBW/prematurity with clinical outcomes. Results: Median birth weights in LBW/premature (n = 46) and NBW (n = 331) children were 2098 g (interquartile range [IQR] 1700–2325 g) and 3317 g (IQR 2977–3685 g), respectively. Odds of having SRNS were 3.78 (95% confidence interval [CI] 1.28–11.21) times higher among LBW/premature children than NBW children. An 8% decrease in odds of developing SRNS was observed for every 100 g increase in birth weight (adjusted odds ratio [OR] 0.92; 95% CI 0.86–0.98). Median time to first relapse did not differ (hazard ratio [HR] 0.89; 95% CI 0.53–1.16). Conclusions: LBW/premature children were more likely to develop SRNS but did not have a difference in time to first relapse with NBW children. Understanding the impact and mechanism of birth weight and steroid-resistant disease needs further study. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has had dramatic effects on the lives of children globally. However, socially vulnerable children have been particularly impacted. Certain populations have increased vulnerabilities, including children and youth experiencing homelessness. Increased infection risk due to congregant living and challenges with physical distancing are contributing factors. An urgent need exists for a wholistic approach to care with unique cross-sectoral partnerships across disciplines. A recognition of the unintended consequence of the COVID-19 pandemic on this population is urgently required by all those supporting children. Families should receive direct support in clinical settings to identify their social needs. Partnership with community agencies and advocacy for appropriate isolation facilities for patients experiencing homelessness are critical. [ABSTRACT FROM AUTHOR]

Objectives: Data on kidney transplant outcomes for pediatric patients with end-stage renal disease (ESRD) secondary to anti-neutrophil cytoplasmic antibody glomerulonephritis (ANCA GN), particularly granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA), is limited. We describe our experience of kidney transplantation in pediatric ANCA GN patients. Methods: We performed a retrospective review of patients with ANCA GN who developed ESRD and were transplanted at a single center between the years 2000 and 2014. Results: Since 2000, there were seven pediatric patients with ANCA GN (four MPA) transplanted. Mean age at ANCA GN diagnosis was 11.8 ± 2.8 (range, 7.2-15.4) years. All seven were ANCA (three anti-PR3/four anti-MPO) positive. Estimated glomerular filtration rate (eGFR) at diagnosis was 11.7 ± 6.3 ml/min/1.73 m. All received steroids and cyclophosphamide and three (23.3%) received plasma exchange. Six were dialysis dependent by 6 months post diagnosis. Time from diagnosis to transplant was 30 ± 12 (range, 17-48) months. Six of the seven received a deceased donor transplant. All patients received induction therapy and standard maintenance immunosuppression post transplant. Median duration of follow-up post transplantation was 27 months (range, 13-88 months). Median eGFR at last follow-up was 77 ml/min/1.73 m (range, 7.9-83.5). One patient lost her transplant to acute cellular rejection following non-adherence to immunosuppression after 21 months of stable transplant function. No patient had recurrence of vasculitis, either renal or extra-renal. Conclusions: Short-term patient and allograft survival in pediatric patients with ESRD secondary to ANCA GN seems excellent, with no recurrence of vasculitis post transplant in this small cohort. [ABSTRACT FROM AUTHOR]

In contrast to adults where hypertension is a leading cause of chronic kidney disease, in pediatrics, hypertension is predominantly a sequela, however, an important one that, like in adults, is likely associated with a more rapid decline in kidney function or progression of chronic kidney disease to end stage. There is a significant issue with unrecognized, or masked, hypertension in childhood chronic kidney disease. Recent evidence and, therefore, guidelines now suggest targeting a blood pressure of <50th percentile for age, sex, and height in children with proteinuria and chronic kidney disease. This often cannot be achieved by monotherapy and additional agents need to be added. Blockade of the renin angiotensin aldosterone system represents the mainstay of therapy, although often limited by the side effect of hyperkalemia. The addition of a diuretic, at least in the earlier stages of chronic kidney disease, might help mitigate this problem. [ABSTRACT FROM AUTHOR]