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The nutritional status and management of children with chronic kidney disease (CKD) are complex and require a combined pediatric nephrology team work approach with physicians, nutritionists, nurses, and physical/occupational therapists. Prospective observational studies such as Children with CKD in the US, the 4C study in Europe and the International Pediatric Peritoneal Dialysis Network have advanced the field. However, most recommendations and guidelines from international task forces such as Kidney Diseases Improving Global Outcomes and Pediatric Renal Nutrition Taskforce are opinion-based rather than evidence-based. There is exciting ongoing research to improve nutrition in children with CKD to help them thrive., (Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.)

Background: Decline in skills and knowledge among patients and/or caregivers contributes to peritoneal-dialysis (PD)-related peritonitis. Re-training is important, but no guidelines exist. We describe the implementation of a structured re-training program to decrease peritonitis rates., Methods: This is a prospective quality improvement study involving pediatric patients on long-term home automated PD at National University Hospital, Singapore, between 2012 and 2018. With increasing peritonitis rates, systematic root cause analysis was performed, and based on the contributory factors identified, a structured re-training program was implemented from 2015. This was conducted in 5 cycles, each consisting of 4 modules (hand hygiene, exit site care, peritonitis, and PD troubleshooting)., Results: Peritonitis rates were analyzed in 2 phases: Phase 1 (2012-2014) when no re-training was performed and Phase 2 (2016-2018) after re-training was instituted. Fifty-nine patients were included. Of these, 45 patients were in Phase 1, 32 in Phase 2, and 18 in both phases. Peritonitis rates decreased from 0.37 ± 0.67 episodes per patient-year in Phase 1 to 0.13 ± 0.32 episodes per patient-year in Phase 2. After adjusting for age at kidney failure onset, PD vintage, years of nursing experience, and the average patient-to-nurse ratio over the study period for each patient, the adjusted peritonitis rates decreased by 0.38 episodes per patient-year (95% CI, 0.09 to 0.67, p = 0.011) from Phase 1 to Phase 2., Conclusion: Despite an improvement in staffing ratio, peritonitis rates only improved significantly after intensive structured re-training was instituted., (© 2021. IPNA.)

Peritonitis- and catheter-related infections due to nontuberculous mycobacteria (NTM) including Mycobacterium abscessus have been reported among adults on peritoneal dialysis (PD). There is no recommended antimicrobial regimen for the treatment of M. abscessus peritonitis. Clofazimine has emerged as an important adjuvant antimicrobial treatment of M. abscessus lung infection. We report, to our knowledge, the first case of M. abscessus PD peritonitis in a child treated successfully using clofazimine as a novel adjuvant therapy to amikacin and clarithromycin. Her clinical features were similar to those of bacterial peritonitis, but she had persistence of symptoms and high inflammatory markers despite empirical therapy for peritonitis. Bacterial culture of PD effluent became positive for M. abscessus after 5 days. There was complete symptom resolution after 6 days of multidrug therapy. Due to ototoxicity, amikacin was discontinued after 6 weeks, while clarithromycin and clofazimine were continued for 9 months to ensure complete pathogen eradication before a planned renal transplant. A high index of suspicion in refractory or culture-negative cases is important for the diagnosis of NTM peritonitis. Multidrug therapy is recommended for M. abscessus infections. Clofazimine was chosen as a novel adjunct antimicrobial because of its pharmacokinetics, ease of administration, cost-effectiveness, and lack of serious adverse events.

Acute kidney injury continues to be a highly occurring disease in the intensive care unit, specifically affecting up to a third of critically ill neonates as per various studies. Although first-line treatments of acute kidney injury are noninvasive, kidney replacement therapy (KRT) is indicated when conservative management modes fail. There are various modalities of KRT which can be used for neonatal populations, including peritoneal dialysis, hemodialysis, and continuous KRT. However, these KRT modalities present their own challenges in this specific patient population Thus, it is the aim of this review to introduce each of these KRT modalities in terms of their challenges, advances, and future directions, with specific emphasis on new technology including the Cardio-Renal Pediatric Emergency Dialysis Machine, Newcastle infant dialysis and ultrafiltration system, and the Aquadex system for ultrafiltration., (Copyright © 2021 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.)

Kidney disease is a global public health concern across the age spectrum, including in children. However, our understanding of the true burden of kidney disease in low-resource areas is often hampered by a lack of disease awareness and access to diagnosis. Chronic kidney disease (CKD) in low-resource settings poses multiple challenges, including late diagnosis, the need for ongoing access to care and the frequent unavailability of costly therapies such as dialysis and transplantation. Moreover, children in such settings are at particular risk of acute kidney injury (AKI) owing to preventable and/or reversible causes - many children likely die from potentially reversible kidney disease because they lack access to appropriate care. Acute peritoneal dialysis (PD) is an important low-cost treatment option. Initiatives, such as the Saving Young Lives programme, to train local medical staff from low-resource areas to provide care for AKI, including acute PD, have already saved hundreds of children. Future priorities include capacity building for both educational purposes and to provide further resources for AKI management. As local knowledge and confidence increase, CKD management strategies should also develop. Increased awareness and advocacy at both the local government and international levels will be required to continue to improve the diagnosis and treatment of AKI and CKD in children worldwide.

Background: Peritoneal dialysis (PD) remains the most widely used modality for chronic dialysis in children, particularly in younger children and in lower and middle income countries (LMICs). We present guidelines for dialysis initiation, modality selection, small solute clearance, and fluid removal in children on PD. A review of the literature and key studies that support these statements are presented., Methods: An extensive Medline search for all publications on PD in children was performed using predefined search criteria., Results: High-quality randomized trials in children are scarce and current clinical practice largely relies on data extrapolated from adult studies or drawn from observational cohort studies in children. The evidence and strength of the recommendation is GRADE-ed, but in the absence of high-quality evidence, the opinion of the authors is provided and must be carefully considered by the treating physician, and adapted to local expertise and individual patient needs as appropriate. We discuss the timing of dialysis initiation, factors to be considered when selecting a dialysis modality, the assessment and management of volume status on PD, achieving optimal small solute clearance, and the importance of preserving residual kidney function. While optimal dialysis must remain the goal for every patient, a careful discussion with fully informed patients and caregivers is important to understand the patient and family's expectations of dialysis and reasonable adjustments to the dialysis program may be considered in accordance with a philosophy of shared decision-making., Conclusions: There continues to be very poor evidence in the field of chronic PD in children and these recommendations can at best serve to guide clinical decision-making. In LMICs, every effort should be made to conform to the framework of these statements, taking into account resource limitations.

Renal replacement therapy (RRT) is the most important supportive measure used in the management of acute kidney injury (AKI). Peritoneal dialysis (PD) is a safe, simple and inexpensive procedure and has been used in pediatric AKI patients, ranging from neonates to adolescents. It is the modality of choice for RRT in developing countries with cost constraints and limited resources. However, its use has declined with the availability of newer types of extracorporeal modalities for RRT in the developed world. Much controversy exists regarding the dosing and adequacy of PD in the management of AKI. Data in infants and children have shown that PD can provide adequate clearance, ultrafiltration and correction of metabolic abnormalities even in those who are critically ill. Although there are no prospective studies in children, data from retrospective studies reveal no differences in mortality rates between different modalities of RRT. In this review, we discuss the advantages and limitations of PD, indications for acute PD, strategies to improve the efficiency of acute PD and outcomes of PD in children with AKI.

The mineral and bone disorder of chronic kidney disease remains a challenging complication in pediatric end-stage renal disease. Here, we assessed symptoms, risk factors and management of this disorder in 890 children and adolescents from 24 countries reported to the International Pediatric Peritoneal Dialysis Network Registry. Signs of this disease were most common in North American patients. The prevalence of hyperphosphatemia increased with age from 6% in young infants to 81% in adolescents. Serum parathyroid hormone (PTH) was outside the guideline targets in the majority of patients and associated with low calcium, high phosphorus, acidosis, dialysis vintage and female gender. Serum calcium was associated with dialytic calcium exposure, serum phosphorus with low residual renal function and pubertal status. PTH levels were highest in Latin America and lowest in Europe. Vitamin D and its active analogs were most frequently administered in Europe; calcium-free phosphate binders and cinacalcet in North America. Clinical and radiological symptoms markedly increased when PTH exceeded 300 pg/ml, the risk of hypercalcemia increased with levels below 100 pg/ml, and time-averaged PTH concentrations above 500 pg/ml were associated with impaired longitudinal growth. Hence, the symptoms and management of the mineral and bone disorder of chronic kidney disease in children on peritoneal dialysis showed substantial regional variation. Our findings support a PTH target range of 100-300 pg/ml in the pediatric age group.

Chronic peritoneal dialysis (PD) for children in Singapore was instituted in 1988 at the National University Hospital with adult nurses providing dialysis services during the first 10 years. In 1998, a specialist pediatric dialysis nursing team was recruited. This study was conducted to determine the impact of dialysis nursing service on PD-related outcomes during the two nursing periods. Comparing the adult (group 1) and pediatric (group 2) nursing periods, the peritonitis rate was significantly higher in group 1 (RR 1.90; 95%CI 1.27-2.84), and this association did not weaken after adjusting for age, gender, and exit site infections. Exit site infection rate (RR 2.16; 95%CI 1.44-3.23), risk of peritonitis during the first year (RR 3.65; 95%CI 1.68-7.90), and multiple peritonitis attacks (RR 2.45; 95%CI 1.32-4.55) were higher in group 1. The peritonitis rates for adult patients cared for by the same adult nurses declined sharply from 1.05 episodes per patient-year between 1989 and 1992 to 0.41 episodes per patient-year between 1995 and 1997, however the corresponding pediatric rates did not change (1.48 to 1.06 episodes per patient-year, respectively) until the second era when specialized pediatric nurses were available. In conclusion, establishment of a specialist pediatric dialysis nursing team resulted in significant improvement in infection-related PD outcomes.

Computerized kinetic modeling is a valuable automated peritoneal dialysis (APD) prescription tool for optimizing dialysis adequacy. However, non-compliance results in failure to achieve adequacy targets. The aim of this study was to determine if a nomogram could estimate dialysis compensations for shortfalls in simulated non-compliant patients, such that total weekly urea clearance (Kt/V(urea)) targets are met. Individualized nomograms comprising a series of curves were derived from PD Adequest (ver. 2.0)-predicted Kt/V(urea) data (r (2 ) > 0.99) for different APD prescriptions. The nomogram was then used to estimate the (Nomogram-computed) average of the daily Kt/V(urea) in 14 patients. The study comprised three 1-month phases. Patients were compliant to dialysis in phase I, where Adequest-predicted Kt/V(urea) showed good agreement with both measured (r (I) = 0.72), and Nomogram-computed values (r (I) > 0.99) (p < 0.001). Conversely, in non-compliant phase II, Nomogram-computed values were lower than Adequest-predicted values (p < 0.002). In phase III, the nomogram estimated prescription adjustments required to compensate for shortfalls, such that there was significantly less difference between Nomogram-computed and Adequest-predicted Kt/V(urea) than in phase II (p = 0.005). Thus, despite non-compliance, predicted Kt/V(urea) targets were attained using the nomogram to adjust the daily APD prescriptions. This concept is potentially useful for patients desiring to compensate for inadvertent shortfalls, rather than for 'truly non-compliant' patients.

Coronavirus disease 2019 (COVID-19) has rapidly spread not only in China but throughout the world. Children with kidney failure (chronic kidney disease (CKD) stage 5) are at significant risk for COVID-19. In turn, a set of recommendations for the prevention and control of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and COVID-19 in pediatric hemodialysis (HD) centers and in home peritoneal dialysis (PD) settings have been proposed. The recommendations are based on the epidemiological features of the SARS-CoV-2 virus and COVID-19 disease, susceptibility factors, and preventive and control strategies. These recommendations will be updated as new information regarding SARS-CoV-2 and COVID-19 becomes available. [ABSTRACT FROM AUTHOR]

This study reviewed the 18-year experience of acute dialysis in the pediatric intensive care unit, in order to identify factors that could predict outcome, and to determine whether newer modalities of acute dialysis have influenced this outcome. Sixty-six children (ages 1 day to 19 years) received acute dialysis from May 1980 to April 1998. Factors predicting outcome were analyzed using univariate and Cox regression analysis. Modality of dialysis in the first 15 years was exclusively peritoneal dialysis, with a mortality of 63.9%. However, in the last 3 years, with increasing patient numbers, continuous hemodiafiltration (CHDF) was the modality of choice (56.7%), with a mortality of 73.3%. Univariate analysis showed that age <1 year, coma, acute tubular necrosis, disseminated intravascular coagulopathy, assisted ventilation, and hypotension were associated significantly with poor outcome (P<0.05). Cox regression analysis revealed that mortality was significantly higher in patients on mechanical ventilation (RR 5.96, 95% CI 1.82–19.50), or with age <1 year (RR 2.00, 95% CI 1.08–3.73). In conclusion, despite the increasing use of CHDF over the last 3 years, there was no significant improvement in mortality, probably related to the fact that more critically ill patients were dialyzed. [ABSTRACT FROM AUTHOR]