Publications by authors named "Askenazi D"

Introduction: Fluid accumulation, presently defined as a pathologic state of overhydration/volume overload associated with clinical impact, is common and associated with worse outcomes. At times, deresuscitation, the active removal of fluid via diuretics or ultrafiltration, is necessary. There is no consensus regarding deresuscitation in children admitted to the pediatric intensive care unit.

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  • Delayed cord clamping (DCC) is a common practice during preterm births, but its effects on kidney health are uncertain.
  • A study evaluated DCC against early cord clamping (ECC) in preterm infants, focusing on acute kidney injury (AKI) and kidney function at two years.
  • Findings indicated that DCC did not reduce the risk of AKI but was linked to a significantly higher chance of reduced kidney function (eGFR <90 mL/min/1.73m) after two years.
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Introduction: Neonatal renal replacement therapy (RRT) is a treatment modality used for severe kidney failure. Historically, its use has been limited in small infants due to circuits with large extra-corporeal volumes that require large double lumen vascular catheters. We sought to review our institution's experience with vascular access and overall survival in infants who receive RRT.

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  • Extracorporeal renal replacement therapy (RRT), such as continuous renal replacement therapy (CRRT) and hemodialysis (HD), is being increasingly utilized for various critical conditions beyond just treating acute kidney injury (AKI) and volume overload in children.
  • This review highlights RRT's effectiveness in managing complications from sepsis, metabolic disorders, liver failure, drug overdoses, tumor lysis syndrome, and rhabdomyolysis, emphasizing its role in improving patient outcomes.
  • RRT assists in regulating fluid, electrolytes, and toxins while also aiding in immune response and correcting metabolic imbalances, making it a vital tool in treating critically ill pediatric patients.
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Importance: Kidney disease is common in infants admitted to the neonatal intensive care unit (NICU). Despite the risk of chronic kidney disease (CKD) in infants discharged from the NICU, neither evidence- nor expert-based recommendations exist to guide clinical care after discharge.

Objective: To develop recommendations for risk stratification and kidney health monitoring among infants after discharge from the NICU.

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Introduction: Acute kidney injury (AKI) defined by changes in serum creatinine (SCr), or oliguria is associated with increased morbidity and mortality in children who are critically ill. We derived and validated a clinical cutoff value for urine neutrophil gelatinase-associated lipocalin (NGAL), in a prospective multicenter study of children who were critically ill. We report the clinical performance of urine NGAL (uNGAL) to aid in pediatric AKI risk assessment.

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Background: Delayed cord clamping (DCC) occurs in most preterm births.

Objective: Evaluate the association of DCC with acute kidney injury (AKI) and two-year kidney outcomes.

Methods: Secondary analysis of the Preterm Erythropoietin Neuroprotection Trial of neonates born 24 to 27 weeks' gestation.

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Key Points: Among 4173 children with AKI, 18% had major adverse kidney events (death, kidney failure, or CKD) during a median 10-year follow-up. AKI survivors were at 2–4 times higher risk of major adverse kidney events, hypertension, and subsequent AKI versus matched hospitalized comparators. This justifies improved surveillance after pediatric AKI to detect CKD and hypertension early and improve long-term kidney health.

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Acute kidney injury (AKI) occurs in nearly 30% of sick neonates. Chronic kidney disease (CKD) can be detected in certain populations of sick neonates as early as 2 years. AKI is often part of a multisystem syndrome that negatively impacts developing organs resulting in short- and long-term pulmonary, neurodevelopmental, and cardiovascular morbidities.

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Rationale And Objective: Critically ill children with acute kidney injury (AKI) requiring continuous renal replacement therapy (CRRT) are at increased risk of death. The selective cytopheretic device (SCD) promotes an immunomodulatory effect at circuit-ionized calcium of <0.40 mmol/L.

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Background: Prophylactic peritoneal dialysis (PD) in neonates undergoing cardiopulmonary bypass (CPB) is safe and improves outcomes. We sought to (1) derive the pre-operative characteristics of neonates who are most likely to benefit from PD after CPB and (2) validate a new prophylactic PD protocol based on our retrospective analysis.

Methods: First, we retrospectively evaluated neonates requiring cardiac surgery with CPB from October 2012 to June 2016.

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Background: We evaluated time-varying perinatal risk factors associated with early (≤7 post-natal days) and late (>7 post-natal days) severe acute kidney injury (AKI) occurrence and duration.

Methods: A secondary analysis of Preterm Erythropoietin Neuroprotection Trial data. We defined severe AKI (stage 2 or 3) per neonatal modified Kidney Disease: Improving Global Outcomes criteria.

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  • The study examines the incidence and outcomes of recurrent acute kidney injury (rAKI) in critically ill neonates, highlighting a gap in current knowledge.
  • Conducted as a secondary analysis of a larger international study, the research focused on neonates under 14 days old who received intravenous fluids and excluded those with severe congenital issues.
  • Findings revealed that 22% of neonates with acute kidney injury developed rAKI, associated with younger gestational ages, lower birthweights, and more severe initial AKI; these infants had longer hospital stays compared to those without AKI.
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  • * A study involving 31 neonates with congenital kidney failure at Children's of Alabama found that 5 required ECMO due to severe respiratory distress; diagnoses included kidney abnormalities like posterior urethral valves and renal dysplasia.
  • * Among the 5 patients on ECMO, 4 survived with improved pulmonary conditions, 3 received kidney transplants, and findings suggest that thorough supportive care can lead to better long-term outcomes, challenging the notion of nonviability.
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Introduction: Nephrotoxic medication (NTM) exposure is commonly associated with acute kidney injury (AKI) in the neonatal intensive care unit (NICU). Baby Nephrotoxic Injury Negated by Just-in-Time Action (NINJA) is a quality improvement program that assesses for AKI in those exposed to NTM with daily serum creatinine (SCr) levels. However, blood draws for SCr are invasive and have clinical disadvantages.

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  • Kidney replacement therapy (KRT) is essential for treating conditions like acute kidney injury and kidney failure in both children and adults, employing methods like peritoneal dialysis and hemodialysis.
  • Each KRT method has unique pros and cons, particularly when customized for infants who present specific challenges due to their size and medical needs.
  • The review covers advancements in KRT for infants, examines new devices, assesses ethical issues in infant care, and suggests future research directions.
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Context and implementation approaches can impede the spread of patient safety interventions. The objective of this article is to characterize factors associated with improved outcomes among 9 hospitals implementing a medication safety intervention. Nephrotoxic Injury Negated by Just-in-Time Action (NINJA) is a pharmacist-driven intervention that led to a sustained reduction in nephrotoxic medication-associated acute kidney injury (NTMx-AKI) at 1 hospital.

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Introduction: Drug-induced acute kidney injury (DI-AKI) is a frequent adverse event. The identification of DI-AKI is challenged by competing etiologies, clinical heterogeneity among patients, and a lack of accurate diagnostic tools. Our research aims to describe the clinical characteristics and predictive variables of DI-AKI.

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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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Pediatric acute kidney support therapy (paKST) programs aim to reliably provide safe, effective, and timely extracorporeal supportive care for acutely and critically ill pediatric patients with acute kidney injury (AKI), fluid and electrolyte derangements, and/or toxin accumulation with a goal of improving both hospital-based and lifelong outcomes. Little is known about optimal ways to configure paKST teams and programs, pediatric-specific aspects of delivering high-quality paKST, strategies for transitioning from acute continuous modes of paKST to facilitate rehabilitation, or providing effective short- and long-term follow-up. As part of the 26th Acute Disease Quality Initiative Conference, the first to focus on a pediatric population, we summarize here the current state of knowledge in paKST programs and technology, identify key knowledge gaps in the field, and propose a framework for current best practices and future research in paKST.

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