8,207 results match your criteria: "Children's Hospital-Los Angeles[Affiliation]"

A hospital based cross sectional study involving children aged 2-15 years attending the obesity clinic of a tertiary care hospital from January 2016 to March 2018 was carried out to study carotid intima media thickness (cIMT) and its association with cardiometabolic risk factors in children with overweight and obesity. Secondary objective was to compare children with elevated (EcIMT) and normal cIMT (NcIMT). Out of 223 patients enrolled for the study, 102 (45.

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Background: Classic congenital adrenal hyperplasia, primarily due to 21-hydroxylase deficiency, leads to impaired cortisol and aldosterone production and excess adrenal androgens. Lifelong glucocorticoid therapy is required, often necessitating supraphysiological doses in youth to manage androgen excess and growth acceleration. These patients experience higher obesity rates, hypertension, and glucose metabolism issues, complicating long-term health management.

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Background/objectives: While studies in rat pups suggest that early zinc exposure is critical for optimal brain structure and function, associations of prenatal zinc intake with measures of brain development in infants are unknown. This study aimed to assess the associations of maternal zinc intake during pregnancy with MRI measures of brain tissue microstructure and neurodevelopmental outcomes, as well as to determine whether MRI measures of the brain mediated the relationship between maternal zinc intake and neurodevelopmental indices.

Methods: Forty-one adolescent mothers were recruited for a longitudinal study during pregnancy.

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While highly morbid forms of chronic graft versus host disease (cGVHD) and severe late effects of allogeneic hematopoietic cell transplant (HCT) can impact children and adults alike, unique considerations arise in pediatric cases regarding diagnosis, monitoring, treatment, and likelihood of resolution. As children can present with atypical features of cGVHD, and with more significant disease due to inability to communicate symptoms, they may be at increased risk for highly morbid forms of cGVHD and incur greater subsequent late effects, which may be more pronounced in those with underlying chromosomal breakage syndromes, with higher prevalence in pediatric HCT recipients. The long-term effects of cGVHD and its therapies include impaired immune reconstitution, leading to increased risks of infection and secondary malignant neoplasms.

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One hundred thirty-four germ line PU.1 variants and the agammaglobulinemic patients carrying them.

Blood

January 2025

Division of Immunology and Allergy, Children's Hospital of Philadelphia; Department of Pediatrics, Perelman School of Medicine; Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States.

Leukopoiesis is lethally arrested in mice lacking the master transcriptional regulator PU.1. Depending on the animal model, subtotal PU.

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Intra-abdominal sepsis is a life-threatening complex syndrome caused by microbes in the gut microbiota invading the peritoneal cavity. It is one of the major complications of intra-abdominal surgery. To date, only supportive therapies are available.

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Background: Children from racial and ethnic minority groups are at greater risk for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, but it is unclear whether they have increased risk for post-acute sequelae of SARS-CoV-2 (PASC). Our objectives were to assess whether the risk of respiratory and neurologic PASC differs by race/ethnicity and social drivers of health.

Methods: We conducted a retrospective cohort study of individuals <21 years seeking care at 24 health systems across the U.

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Adaptive functioning and relationship to visual behavior in children with cerebral/cortical visual impairment.

J AAPOS

January 2025

Keck School of Medicine of USC, Los Angeles, California; Division of Ophthalmology, Children's Hospital Los Angeles, Los Angeles, California. Electronic address:

Background: Cerebral/cortical visual impairment (CVI) is a leading cause of pediatric visual impairment in developed countries and is associated with neurologic conditions that may impair adaptive functioning or skills required to perform everyday tasks (eg, communication, socialization, and daily living skills). Adaptive behavior in children with CVI has not been systematically studied, and the relationship between visual function and adaptive function in CVI is unknown.

Methods: We prospectively recruited 49 children with CVI (mean age, 4 ± 3 years).

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Study Objective: Compare the length of hospital stay of adolescents admitted for severe anemia (hemoglobin ≤ 8 g/dL) due to acute abnormal uterine bleeding (AUB) treated with high-dose combined oral contraceptive pills (HD-OCPs) versus those treated with HD-OCPs and intravenous conjugated equine estrogen, also referred to as dual therapy.

Design, Setting, And Participants: This is a single institution retrospective cohort study of adolescents hospitalized for the management of acute AUB and severe anemia between July 1, 2004, to January 1, 2020. Subjects were excluded if they were pregnant, had a malignancy, thrombocytopenia, treated with other hormonal therapies, or if bleeding stopped prior to admission.

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Study Objective: Nontraumatic, incidental findings on computed tomography (CT) may be discovered after blunt abdominal trauma in children; however, the rate and importance of these findings are not well known. The objective of this study was to determine the prevalence and types of incidental CT findings among injured children undergoing abdominal/pelvic CT.

Methods: This was a planned secondary analysis of a multicenter prospective cohort study of children (<18 years) who underwent abdominal/pelvic CT after blunt trauma.

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Background: Area-under-the-curve (AUC)-directed vancomycin therapy is recommended; however, AUC estimation in critically ill children is difficult owing to the need for multiple samples and lack of informative models.

Methods: The authors prospectively enrolled critically ill children receiving intravenous (IV) vancomycin for suspected infection and evaluated the accuracy of Bayesian estimation of AUC from a single, optimally timed sample. During the dosing interval, when clinical therapeutic drug monitoring was performed, an optimally timed sample was collected, which was determined for each subject using an established population pharmacokinetic model and the multiple model optimal function of Pmetrics, a nonparametric population pharmacokinetic modeling software.

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Alveolar Bone Quality in Individuals With Cleft Lip and Palate With Missing Lateral Incisors: Orthodontic Space Closure Versus Space Opening.

Cleft Palate Craniofac J

January 2025

Department of Orofacial Sciences and Orthodontics, Division of Craniofacial Anomalies, School of Dentistry, University of California, San Francisco, CA, USA.

The purpose of this study was to quantitatively assess the alveolar bone support of teeth adjacent to the cleft site in individuals with nonsyndromic cleft lip and palate (CLP) who have undergone either orthodontic space closure or space opening for missing lateral incisors. A cross-sectional retrospective study. University orthodontic clinic serving individuals with CLP.

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While the brain continues to develop during adolescence, such development may depend on sex-at-birth. However, the elucidation of such differences may be hindered by analytical decisions (e.g.

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Utilization of a Joint Point Regression Model for Predicting Mortality Rates of Common Cancers in Babol City.

Cancer Rep (Hoboken)

January 2025

Social Determinants of Health Research Center, Health Research Institute, Department of Biostatistics & Epidemiology, School of Public Health, Babol University of Medical Sciences, Babol, Iran.

Background: Cancer is a major cause of mortality. Timely information about cancer mortality trends is essential for prioritizing health programs.

Aims: This study aims to use a Joint point regression model to predict the mortality rates of the top 10 common cancers in Babol City.

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The emergence of liquid biopsy technologies holds great promise in the cancer setting, including in pediatric central nervous system (CNS) tumors. In contrast to broad lower-depth sequencing, commonly referred to as low pass whole genome sequencing (WGS), targeted platforms with a higher depth of coverage have also been established. Here, we review targeted liquid biopsy techniques with applicability to pediatric CNS tumors.

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Objectives: We detail a case of recurrent, postinfectious, cerebellar ataxia associated with a likely pathogenic previously documented gene variant in .

Methods: The patient was identified after her second hospitalization for postinfectious cerebellar ataxia. Genetic testing was performed after discharge.

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Quality Improvement Success Stories are published by the American Diabetes Association in collaboration with the American College of Physicians and the National Diabetes Education Program. This series is intended to highlight best practices and strategies from programs and clinics that have successfully improved the quality of care for people with diabetes or related conditions. Each article in the series is reviewed and follows a standard format developed by the editors of .

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Novel CO loaded nanoparticle ultrasound-activated contrast agent: A potential urinary catheter-free modality to detect vesicoureteral reflux.

J Pediatr Urol

January 2025

Division of Urology, Children's Hospital Los Angeles, USC Institute of Urology, Keck School of Medicine of USC, Los Angeles, CA, USA. Electronic address:

Background: The current gold-standard for detecting vesicoureteral reflux (VUR) is the voiding cystourethrogram (VCUG). However, VCUGs require ionizing radiation and bladder catheterization that can be challenging to perform and traumatic for pediatric patients and their parents.

Objective: To investigate the feasibility of a novel urinary catheter-free modality for diagnosing VUR using in vitro and ex vivo models.

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Background: The Advanced Cardiac Therapies Improving Outcomes Network (ACTION) began in 2018 as a collaborative learning health system committed to improving outcomes in pediatric heart failure, including children and adults with congenital heart disease, supported with ventricular assist devices (VADs). This report describes patient and device characteristics, and outcomes through 1-year post-implant.

Methods: The ACTION VAD registry report was created from data submitted to the ACTION learning network from April 2018 to June 2023.

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Prenatal exposure to polycyclic aromatic hydrocarbons, reduced hippocampal subfield volumes, and word reading.

Dev Cogn Neurosci

January 2025

Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, OH, United States; The Child Mind Institute, New York, NY, United States. Electronic address:

Reading difficulties and exposure to air pollution are both disproportionately high among youth living in economically disadvantaged contexts. Critically, variance in reading skills in youth living in higher socioeconomic status (SES) contexts largely derives from genetic factors, whereas environmental factors explain more of the variance in reading skills among youth living in lower SES contexts. Although reading research has focused closely on the psychosocial environment, little focus has been paid to the effects of the chemical environment.

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Comparison of Postoperative Antibiotic Protocols for Pediatric Complicated Appendicitis: A Western Pediatric Surgery Research Consortium Study.

J Pediatr Surg

January 2025

Division of Pediatric Surgery, Rady Children's Hospital San Diego, San Diego, CA, USA; Division of Pediatric Surgery, Dept of General Surgery, UCSD School of Medicine, La Jolla, CA, USA. Electronic address:

Background: There is no consensus on the appropriate duration of postoperative antibiotics for complicated appendicitis in children. Commonly used antibiotic endpoints include normalization of white blood cell count (WBC) or completion of a minimum number of prespecified treatment days. We compared clinical outcomes resulting from varying postoperative antibiotic protocols for complicated appendicitis in children.

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Comparing the incidence of hypospadias across the United States: A contemporary analysis.

J Pediatr Urol

January 2025

Division of Urology, Children's Hospital Los Angeles, Keck School of Medicine of USC, Los Angeles, CA, USA. Electronic address:

Introduction: Hypospadias is a common congenital malformation occurring in up to 80 in 10,00 live male births, with emerging evidence associating exogenous environmental exposures with increased disease incidence. Military personnel are at particularly higher risk for such exposures and indeed, the rate of hypospadias in infant males born to United States military servicewomen deployed during the Gulf War has been reported to be more than 5 times greater compared to undeployed female military personnel.

Objective: To characterize contemporary trends in hypospadias incidence in the general population as well as high risk groups such as males born from US servicewomen using the National Birth Defects Prevention Network.

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Background: Orthopaedic surgical intervention in children with Charcot-Marie-Tooth (CMT) often includes triceps surae lengthening (TSL) and foot procedures to address instability and pain due to equinus and cavovarus deformities. These surgeries may unmask underlying weakness in this progressive disease causing increased calcaneal pitch and excessive dorsiflexion in terminal stance leading to crouch. The purpose of this study was to evaluate changes in ankle function during gait following TSL surgery in children with CMT.

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