Publications by authors named "Arpana Iyengar"

Vulnerable populations, such as the elderly, children, displaced people, and refugees, often encounter challenges in accessing healthcare. In this study, we used data from the third iteration of the International Society of Nephrology Global Kidney Health Atlas (ISN-GKHA) to describe kidney care access and delivery to vulnerable populations across countries and regions. Using data from an international survey of clinicians, policymakers, and patient advocates, we assessed the funding and coverage of vulnerable populations on all aspects of kidney replacement therapies (KRT).

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Article Synopsis
  • The study explores how protein energy wasting (PEW) and undernutrition affect infection-related hospital admissions (IRHA) in children with chronic kidney disease (CKD).
  • Over 60% of the 137 children studied were found to be undernourished, and a significant portion experienced high rates of IRHA, particularly those with undernutrition and PEW.
  • Key risk factors for higher IRHA included poor nutritional status, low BMI, and inflammation, with modified PEW linked to a doubled risk of recurrent infections.
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Purpose Of Review: Discussion of inequalities and inequities in global distribution of and access to home dialysis.

Recent Findings: The majority of patients receiving home dialysis receive peritoneal dialysis, but these are concentrated in few countries across the globe. Peritoneal dialysis as the most common form of home dialysis has many advantages in terms of individual freedoms, similar outcomes to haemodialysis, being less costly in some countries, and more scalable than in-centre haemodialysis.

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Background: Training caregivers performing PD is an important measure to prevent peritonitis. A low literacy rate hinders training in low-resource settings. We designed a structured training initiative (STI) and objective structured assessment (OSA) using visual and kinesthetic resources with minimal use of written resources.

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Introduction: Dietary acid load (DAL), which reflects the balance between acid- and alkaline-forming foods, is a modifiable risk factor for metabolic acidosis in CKD. Owing to the paucity of data in the Indian context, we undertook this cross-sectional study to estimate DAL and assess acid and alkaline food consumption in children with CKD2-5D (Chronic kidney disease stage 2 to 5 and 5D-those on hemodialysis).

Methods: Clinical profile, dietary assessment of energy, protein intake/deficits, and macronutrients were noted and computed using software created by the division of nutrition, St John's research institute based on Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines in clinically stable children with CKD2-5D.

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The South Asia region is facing a high burden of chronic kidney disease (CKD) with limited health resources and low expenditure on health care. In addition to the burden of CKD and kidney failure from traditional risk factors, CKD of unknown etiologies from India and Sri Lanka compounds the challenges of optimal management of CKD in the region. From the third edition of the International Society of Nephrology Global Kidney Health Atlas (ISN-GKHA), we present the status of CKD burden, infrastructure, funding, resources, and health care personnel using the World Health Organization's building blocks for health systems in the ISN South Asia region.

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Infection-related glomerulonephritis is an immunologically mediated glomerular injury after an infection. Glomerulonephritis may occur with the infection or after a variable latent period. Poststreptococcal glomerulonephritis (PSGN) is the prototype of infection-related glomerulonephritis.

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Common goals of nutritional therapy across the spectrum of pediatric and adult chronic kidney disease (CKD) include maintaining normal body mass and composition and reducing associated morbidity and mortality. Adult nephrologists caring for children and adolescents may be challenged by the existing complexities in identifying and interpreting the nutritional status and growth in children. Pediatric nephrologists may face situations that call for a sound knowledge of assessing nutritional status and providing nutrition therapy for adolescents and young adults.

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Background: Acute kidney injury (AKI) is independently associated with increased morbidity and mortality across the life course, yet care for AKI remains mostly supportive. Raising awareness of this life-threatening clinical syndrome through education and advocacy efforts is the key to improving patient outcomes. Here, we describe the unique roles education and advocacy play in the care of children with AKI, discuss the importance of customizing educational outreach efforts to individual groups and contexts, and highlight the opportunities created through innovations and partnerships to optimize lifelong health outcomes.

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Background: Three types of primary hyperoxaluria (PH) are recognized. However, data on PH type 2 (PH2), caused by defects in the GRHPR gene, are limited.

Methods: We reviewed the medical records of patients < 18 years of age with genetically-proven PH2 from seven centres across India to identify the age of onset, patterns of clinical presentation, short-term outcomes and genetic profile, and to determine if genotype-phenotype correlation exists.

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We present updated, evidence-based clinical practice guidelines from the Indian Society of Pediatric Nephrology (ISPN) for the management of urinary tract infection (UTI) and primary vesicoureteric reflux (VUR) in children. These guidelines conform to international standards; Institute of Medicine and AGREE checklists were used to ensure transparency, rigor, and thoroughness in the guideline development. In view of the robust methodology, these guidelines are applicable globally for the management of UTI and VUR.

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Health-care transition (HCT) from pediatric-centered to adult-oriented health-care setting is more than a simple transfer of care. It is a carefully planned movement specially tailored for the needs of adolescents and young adults (AYAs). Similar to other chronic diseases, the need for HCT for AYAs with kidney disease has been well established by the International Society of Nephrology (ISN) and the International Pediatric Nephrology Association (IPNA) consensus statements since 2011.

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The nephrology and critical care communities have seen an increase in studies exploring acute kidney injury (AKI) epidemiology in children. As a result, we now know that AKI is highly prevalent in critically ill neonates, children, and young adults. Furthermore, children who develop AKI experience greater morbidity and higher mortality.

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Introduction: There is a need to explore less laborious point-of-care assessment tools to diagnose protein energy wasting (PEW) in children with chronic kidney disease (CKD). This cross-sectional study was undertaken to assess the profile of specific nutrition-focused physical examination (NFPE) and mid-arm muscle area (MAMA) in children with CKD and determine their role in the diagnosis of PEW.

Methods: PEW criterion was applied to all eligible children and MAMA was derived from mid-arm circumference and triceps skin fold thickness.

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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.

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Acute kidney injury is common in hospitalised children and is associated with poor patient outcomes. Once acute kidney injury occurs, effective therapies to improve patient outcomes or kidney recovery are scarce. Early identification of children at risk of acute kidney injury or at an early injury stage is essential to prevent progression and mitigate complications.

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Introduction: Management of dietary phosphorus intake is a challenge in children with chronic kidney disease and is governed by regional food sources and culinary practices. The aim of this study was to evaluate dietary intake of phosphorus in these children and assess the utility of parental phosphate education for control of hyperphosphatemia.

Methods: This prospective study included children aged 2-18 years with CKD stages 2-5D.

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Acute kidney injury (AKI) is estimated to occur in approximately 13.3 million patients per year with an estimated mortality of 1.7 million.

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Article Synopsis
  • * Children with CKD stages 2-4 received cholecalciferol either daily, weekly, or monthly, and significant increases in certain bone health markers were observed, especially in the weekly dosing group.
  • * Results indicated that while all dosing regimens led to similar improvements in bone biomarkers, the weekly regimen had a notable advantage in one specific marker, providing flexibility in treatment options to enhance adherence.
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Importance: Increasing 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.

Objective: To develop expert-driven pediatric specific recommendations on needed AKI research, education, practice, and advocacy.

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