262 results match your criteria: "Holtz Children's Hospital.[Affiliation]"

Exome and Genome Sequencing to Diagnose the Genetic Basis of Neonatal Hypotonia: An International Consortium Study.

Neurology

January 2025

From the Division of Newborn Medicine (S.U.M., M.H.W., A.M.D.G.), Boston Children's Hospital; Department of Pediatrics (S.U.M., M.H.W., A.M.D.G., A.H.B., P.B.A.), Harvard Medical School; The Manton Center for Orphan Disease Research (S.U.M., M.H.W., A.H.B., P.B.A.), Boston Children's Hospital; The Broad Institute of MIT and Harvard (S.U.M., M.H.W., A.H.B., P.B.A.), Cambridge, MA; Division of Clinical and Metabolic Genetics (G.C., R.C.), The Hospital for Sick Children; Program in Genetics and Genome Biology (G.C.,. R.C., J.J.D.), SickKids Research Institute; Department of Paediatrics (G.C., R.C., J.J.D.), Department of Molecular Genetics (G.C., A.S., J.J.D.), University of Toronto, Ontario, Canada; Division of Genetics and Genomics (C.E.F., M.H.W., A.H.B., P.B.A.), Boston Children's Hospital, MA; North East Thames Regional Genetic Service (E.W., F.M.), Great Ormond Street Hospital Trust, London, United Kingdom; Department of Genetic Counselling (A.S.), The Hospital for Sick Children, Toronto, OntarioN, Canada; Murdoch Children's Research Institute and Department of Paediatrics (J.C., S.L., Z.S.), University of Melbourne, Victoria; Discipline of Child and Adolescent Health (J.C.), Sydney Medical School, University of Sydney, New South Wales, Australia; Department of Neurology (B.T.D.), Boston Children's Hospital; Epilepsy Genetics Program (A.M.D.G.), Department of Neurology, Boston Children's Hospital, MA; Division of Neurology (J.J.D.), The Hospital for Sick Children, Toronto, Ontario, Canada; Department of Pathology (S.L.), University of Melbourne, Australia; National Institute for Health Research Great Ormond Street Hospital Biomedical Research Centre (F.M.), Great Ormond Street Institute of Child Health, University College London; Departments of Medical Genetics and Paediatrics (L.R., D.R.), University of Cambridge, United Kingdom; Division of Neonatology (D.R.), Department of Pediatrics, UCSF, San Francisco, CA; Australian Genomics Health Alliance (Z.S.); and Division of Neonatology (P.B.A.), Department of Pediatrics, University of Miami and Holtz Children's Hospital, Jackson Health System, FL.

Background And Objectives: Hypotonia is a relatively common finding among infants in the neonatal intensive care unit (NICU). Consideration of genetic testing is recommended early in the care of infants with unexplained hypotonia. We aimed to assess the diagnostic yield and overall impact of exome and genome sequencing (ES and GS).

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Ultrasound-guided transuterine coil embolization of a Vein of Galen malformation.

Clin Neurol Neurosurg

December 2024

Department of Neurological Surgery, Radiology, Neurosciences, Pharmacology, University of Miami Miller School of Medicine, Miami, FL, USA. Electronic address:

Vein of Galen malformations (VOGMs) are rare and complex congenital vascular anomalies that can lead to severe morbidity and mortality. Management predominantly focuses on postnatal endovascular interventions. However, these may not be feasible for fetuses with hemodynamic instability and high-output cardiac failure and may fail to prevent irreversible brain damage induced by prolonged compression by the venous varix, hemodynamic alterations and resultant potential ischemic injury.

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Implementation of multi-omics in diagnosis of pediatric rare diseases.

Pediatr Res

November 2024

Division of Neonatology, Department of Pediatrics, University of Miami Miller School of Medicine and Holtz Children's Hospital, Jackson Health System, Miami, FL, USA.

The rapid and accurate diagnosis of rare diseases is paramount in directing clinical management. In recent years, the integration of multi-omics approaches has emerged as a potential strategy to overcome diagnostic hurdles. This review examines the application of multi-omics technologies, including genomics, epigenomics, transcriptomics, proteomics, and metabolomics, in relation to the diagnostic journey of rare diseases.

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Language Matters: Language Inclusivity in Pediatric Health Care.

Acad Pediatr

January 2024

Department of Pediatrics (G Flores), University of Miami Millers School of Medicine, Miami, Fla; Holtz Children's Hospital (G Flores), Jackson Health System, Miami, Fla.

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Bias, Prejudice, Discrimination, Racism, and Social Determinants: The Impact on the Health and Well-Being of Latino Children and Youth.

Acad Pediatr

October 2024

Department of Pediatrics (G Flores), University of Miami Miller School of Medicine, and Holtz Children's Hospital, Jackson Health System, Mailman Center for Child Development, Miami, Fla.

This narrative review focuses on the impact of bias, prejudice, discrimination, racism (BPDR), social determinants of health, and structural racism on Latino children's health and well-being. The race/ethnicity, country of origin, immigrant/generational status, limited English proficiency (LEP), acculturation level, and social class of Latino children and their parents can heighten or modify the impact of BPDR. These differences have been shown to affect BPDR among Latino adults and presumably for their children.

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The Pediatrician's Imperative: The Relentless Pursuit of Equity.

Pediatrics

November 2024

Department of Pediatrics, University of Miami Miller School of Medicine, and Holtz Children's Hospital, Jackson Health System, Miami, Florida.

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Background And Objective: There is limited research on screening for social determinants of health (SDOH) in hospitalized pediatric patients. In this article, we describe patient characteristics related to SDOH screening in the hospital setting and examine relationships with acute care metrics.

Methods: This is a retrospective cohort study.

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Previous studies investigating behavioural health screening processes have focused on selected diagnoses within paediatric cardiology and focused on a smaller number of potential concerns. We developed and administered a brief survey in our paediatric heart centre to assess the presence of a wider variety of behavioural health concerns and to connect patients with resources. A cohort of 305 patients aged 2-29 years ( = 11.

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Article Synopsis
  • The study investigated severe pneumonia in children, aiming to understand the types of pathogens and their infection patterns among 110 pediatric patients.
  • Using pathogen-targeted next-generation sequencing, researchers found that 99.09% of cases showed pathogens, with a majority having mixed infections, particularly bacterial-viral coinfections.
  • Key pathogens identified included Mycoplasma pneumoniae, Human Respiratory Syncytial Virus Type A, and Human Herpesvirus, with 40% of patients requiring intensive care.
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Loss-of-Function Variants in CUL3 Cause a Syndromic Neurodevelopmental Disorder.

Ann Neurol

September 2024

Department of Medical Genetics, Center for Medical Genetics, School of Basic Medical Sciences, Peking University, Beijing, China.

Article Synopsis
  • - This study examines the link between rare variants in the cullin-3 ubiquitin ligase (CUL3) gene and neurodevelopmental disorders (NDDs), gathering data from multiple centers to explore genetic mutations and their clinical impacts.
  • - Researchers identified 37 individuals with CUL3 variants, most of which result in loss-of-function (LoF), leading to intellectual disabilities and possibly autistic traits; specific mechanisms affecting protein stability were also investigated.
  • - The findings enhance the understanding of NDDs associated with CUL3 mutations, suggesting that LoF variants are the main cause, which could help inform future diagnostics and treatment strategies.
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Article Synopsis
  • Common variable immunodeficiency (CVID) is a prevalent immunodeficiency condition, with only about 30% of cases having a defined genetic cause, highlighting a gap in understanding mortality risk factors.
  • Researchers conducted a study on 21 patients in Córdoba, Argentina, examining their clinical data and immune cell types to develop a mortality predictive score.
  • Key findings revealed that lower counts of CD4 T cells, natural killer (NK) cells, and memory switched B cells were significantly associated with reduced survival rates, leading to the proposal of a scoring system based on these immune cell types to estimate mortality risk in CVID 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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Purpose: To describe fluorescein angiography (FA) parameters observed in premature neonates with retinopathy of prematurity (ROP).

Design: Retrospective case series.

Subjects: Patients with ROP who underwent FA imaging using Retcam at Holtz Children's Hospital from November 2014 to October 2022.

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The Need for Enhancing Funding for Research on Children in Immigrant Families.

Acad Pediatr

July 2024

Dean's Office and Department of Pediatrics (E Fuentes-Afflick), University of California, Zuckerberg San Francisco General Hospital, San Francisco, Calif. Electronic address:

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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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Inherited retinal diseases encompass a genetically diverse group of conditions caused by variants in genes critical to retinal function, including handful of ribosome-associated genes. This study focuses on the HBS1L gene, which encodes for the HBS1-like translational GTPase that is crucial for ribosomal rescue. We have reported a female child carrying biallelic HBS1L variants, manifesting with poor growth and neurodevelopmental delay.

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Chronic kidney disease (CKD) is associated with renal lipid dysmetabolism among a variety of other pathways. We recently demonstrated that oxysterol-binding protein-like 7 (OSBPL7) modulates the expression and function of ATP-binding cassette subfamily A member 1 (ABCA1) in podocytes, a specialized type of cell essential for kidney filtration. Drugs that target OSBPL7 lead to improved renal outcomes in several experimental models of CKD.

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Extracellular Vesicle ASC: A Novel Mediator for Lung-Brain Axis in Preterm Brain Injury.

Am J Respir Cell Mol Biol

October 2024

Division of Neonatology, Department of Pediatrics, Batchelor Children's Research Institute, Holtz Children's Hospital.

Bronchopulmonary dysplasia (BPD) and neurodevelopmental impairment are among the most common morbidities affecting preterm infants. Although BPD is a predictor of poor neurodevelopmental outcomes, it is currently uncertain how BPD contributes to brain injury in preterm infants. Extracellular vesicles (EVs) are involved in interorgan communication in diverse pathological processes.

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Purpose: Critically ill infants from marginalized populations disproportionately receive care in neonatal intensive care units (NICUs) that lack access to state-of-the-art genomic care, leading to inequitable outcomes. We sought provider perspectives to inform our implementation study (VIGOR) providing rapid genomic sequencing within these settings.

Methods: We conducted semistructured focus groups with neonatal and genetics providers at 6 NICUs at safety-net hospitals, informed by the Promoting Action on Research Implementation in Health Services framework, which incorporates evidence, context, and facilitation domains.

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The solute carrier family 26 member 9 modifies rapidly progressing cystic fibrosis associated with homozygous F508del CFTR mutation.

Clin Chim Acta

July 2024

Division of Neonatology, Department of Pediatrics, University of Miami Miller School of Medicine and Holtz Children's Hospital, Jackson Health System, Miami, FL 33136, USA; Division of Genetics and Genomics, Boston Children's Hospital and Harvard Medical School, Boston, MA 02115, USA; The Manton Center for Orphan Disease Research, Boston Children's Hospital and Harvard Medical School, Boston, MA 02115, USA. Electronic address:

Background And Aims: Cystic fibrosis (CF) is an autosomal recessive disease caused by mutations to the CF transmembrane conductance regulator (CFTR). Symptoms and severity of the disease can be quite variable suggesting modifier genes play an important role.

Materials And Methods: Exome sequencing was performed on six individuals carrying homozygous deltaF508 for CFTR genotype but present with rapidly progressing CF (RPCF).

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Background: Long-term effects of early, recurrent human exposure to general anaesthesia remain unknown. The Australasian Cystic Fibrosis Bronchoalveolar Lavage (ACFBAL) trial provided an opportunity to examine this issue in children randomly assigned in infancy to either repeated bronchoalveolar-lavage (BAL)-directed therapy with general anaesthesia or standard care with no planned lavages up to 5 years of age when all children received BAL-directed therapy under general anaesthesia.

Methods: This multicentre, randomised, open-label phase 4 trial (CF-GAIN) used the original ACFBAL trial randomisation at 3·6 months (SD 1·6) to BAL-directed therapy or standard-care groups to assess the impact of general anaesthesia exposures over early childhood.

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Objectives: To describe and compare the results of delirium screening in the immediate post-transplant PICU admission for pediatric intestinal, liver, and renal transplant recipients. We also examined associations with known and suspected risk factors for pediatric delirium (PD).

Design: Retrospective analysis of a single-center cohort, 2016-2022.

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Caregiver-reported barriers to care for children and adults with Williams Syndrome.

J Community Genet

August 2024

Section of Developmental and Behavioral Pediatrics, Department of Pediatrics, and Mailman Center for Child Development, University of Miami Miller School of Medicine, and Holtz Children's Hospital, The Ohio State University College of Public Health, Jackson Health System, Miami, FL, USA.

Individuals with Williams syndrome (WS) may experience a variety of medical, behavioral, and educational concerns. The primary objective of this study was to assess barriers to health care for patients with WS, primarily using the Barriers to Care Questionnaire (BCQ), and to assess whether various demographic factors are correlated with these barriers. A REDCap survey was distributed using the Williams Syndrome Association Research Registry.

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