Publications by authors named "Alexandra B Yonts"

Background: PECOS is an ongoing study aimed to characterize long-term outcomes following pediatric SARS-CoV-2 infection.

Methods: This is a cross-sectional analysis of infected and uninfected cohorts at baseline. Participants (0-21 years) with laboratory-confirmed SARS-CoV-2 infection were enrolled as infected.

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  • The study investigated the clinical features and long-term outcomes of myocarditis linked to COVID-19 vaccination, focusing on 333 affected patients under 30 compared to 100 with MIS-C.
  • Findings indicated that C-VAM patients were mostly young white males, experienced milder symptoms initially, but had higher rates of myocardial injury as shown by cardiac imaging.
  • Despite a generally benign course and no reported cardiac deaths during follow-up, 60% of patients still showed evidence of myocardial injury after approximately six months.
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The Advisory Committee on Immunization Practices (ACIP), a group of medical and public health experts that provides advice to the Centers for Disease Control and Prevention, normally meets 3 times per year to develop US vaccine recommendations. The ACIP met June 26 through 28, 2024. This update summarizes the proceedings of this meeting, with an emphasis on topics that are most relevant to the pediatric population.

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The Advisory Committee on Immunization Practices, a group of medical and public health experts that provides advice to the Centers for Disease Control and Prevention, normally meets 3 times per year to develop US vaccine recommendations. The Advisory Committee on Immunization Practices met February 28 to 29, 2024, to discuss coronavirus disease 2019 vaccines, chikungunya vaccines, diphtheria-tetanus vaccine, influenza vaccines, polio vaccines, respiratory syncytial virus vaccines, meningococcal vaccines, pneumococcal vaccines, and Vaxelis (Diphtheria, Tetanus, Pertussis, Inactivated Poliovirus, Haemophilus influenzae b Conjugate, and Hepatitis B Vaccine). This update summarizes the proceedings of these meetings, with an emphasis on topics that are most relevant to the pediatric population.

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  • The Advisory Committee on Immunization Practices (ACIP) met on October 25-26, 2023, to discuss various vaccines including those for meningococcal disease, mpox, RSV, influenza, and COVID-19.
  • Special meetings in September 2023 focused on vaccine recommendations for COVID-19 and RSV immunization in pregnant women.
  • Key updates for pediatric clinicians include recommendations for XBB monovalent COVID-19 immunization for the upcoming respiratory season and new vaccines like the pentavalent meningococcal conjugate vaccine aimed at high-risk populations.
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Background: Clinical practice guidelines recommend using narrow-spectrum antibiotics to treat uncomplicated pneumonia in children. This quality improvement (QI) project aimed to evaluate if QI methods could improve guideline-concordant antibiotic prescribing at hospital discharge for children with uncomplicated pneumonia.

Methods: For this single-center QI project, we implemented QI interventions in serial plan-do-study-act cycles, focusing on the key drivers targeting general pediatric inpatient resident teams.

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  • The Advisory Committee on Immunization Practices (ACIP) meets three times a year to create vaccine recommendations for the CDC, recently discussing several vaccines at meetings in June and August 2023.
  • Key topics included updates on RSV, influenza, pneumococcal, meningococcal, and COVID-19 vaccines, particularly focusing on their impact on pediatric health.
  • Notable recommendations included the use of the monoclonal antibody nirsevimab for preventing RSV in infants and updates on the 20-valent pneumococcal vaccine, along with potential changes to meningococcal and COVID-19 vaccination guidelines.
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  • - Pediatric PASC, also known as "long COVID," is a complex condition that impacts children's physical, social, and mental health, even if they experienced mild or no symptoms during their initial COVID-19 infection.
  • - The symptoms and severity of PASC vary widely among children, making early detection through screening essential for timely intervention.
  • - A comprehensive treatment plan involving multidisciplinary care, lifestyle changes, physical rehabilitation, and mental health support is crucial for improving the quality of life for children affected by PASC.
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The Advisory Committee on Immunization Practices (ACIP), a group of medical and public health experts who provides expert advice to the Centers for Disease Control and Prevention, normally meets three times per year to develop U.S. vaccine recommendations.

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The Advisory Committee on Immunization Practices (ACIP), a group of medical and public health experts that provides expert advice to the Centers for Disease Control and Prevention, normally meets three times per year to develop US vaccine recommendations. The ACIP increased its meeting frequency over the past 2.5 years to address vaccine-related issues during the severe acute respiratory syndrome coronavirus 2 pandemic.

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In this survey study of institutions across the US, marked variability in evaluation, treatment, and follow-up of adolescents 12 through 18 years of age with mRNA coronavirus disease 2019 (COVID-19) vaccine-associated myopericarditis was noted. Only one adolescent with life-threatening complications was reported, with no deaths at any of the participating institutions.

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Antibiotics are one of the most commonly prescribed classes of medication for children and adolescents. While they are arguably the most powerful tool we possess against bacterial infections, they are frequently given to children whose illnesses are due to viruses or other non-infectious etiologies. When antibiotics are not used judiciously, the consequences can be serious and accumulate over time.

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The incidence of bacteremia at the onset of pediatric febrile neutropenia (FN) at 2 academically linked institutions was 9.84%, and subsequent blood cultures performed for children with persistent FN yielded an incidence of 4.21%.

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