Publications by authors named "Lance Feld"

Objective: Although positive airway pressure (PAP) is effective for treating obstructive sleep apnea (OSA) in infants, there is a lack of data on caregivers' experiences administering PAP at home. Understanding caregivers' perspectives may change health care professionals approach to PAP initiation. Our study aimed to gain comprehensive insight into caregivers' beliefs, perceptions, and challenges associated with implementing PAP for infants with OSA, considering the transition from inpatient hospitalization to home.

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Introduction: Asthma and obstructive sleep apnea (OSA) are chronic diseases that disproportionately affect children with sickle cell disease (SCD). The literature describes the negative impact that both conditions have on children with SCD separately; however, the effect of OSA on asthmatic children with OSA is less specific. We hypothesized that the presence of OSA in children with SCD and asthma is associated with specific hematologic markers, worse clinical outcomes, and greater healthcare utilization.

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Plastic bronchitis is a term used to describe group of life-threatening disorders characterized by the presence of large obstructing casts in the airways. Eosinophilic plastic bronchitis is a subtype of plastic bronchitis that occurs mainly in children and has not been well-described in the literature. Patients may have a history of asthma or atopy, but many do not.

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Childhood interstitial lung disease (chILD) is a heterogeneous group of diffuse lung diseases that can be challenging to diagnose. With relative rarity of individual entities, data are limited on disease prevalence, care patterns, and healthcare utilization. The objective of this study was to evaluate chILD prevalence and review diagnostic and clinical care patterns at our center.

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Pulmonary physiology is a core element of pediatric pulmonology care and research. This article reviews some of the notable publications in physiology that were published in Pediatric Pulmonology in 2021 and 2022.

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The COVID-19 pandemic has provided challenges to all healthcare workers. While the brunt of treating COVID-19 patients fell upon adult providers, pediatricians also experienced significant stressors and disruptions. Academic pediatricians and trainees (fellows and residents) were redeployed to manage adult patients in hospitalist and intensive care settings and/or had major changes to their clinical schedules.

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Study Objectives: Positive airway pressure (PAP) is the second line of treatment for obstructive sleep apnea syndrome in children. It is common practice following initiation of PAP to perform repeat titration polysomnography to re-evaluate the patient's therapeutic pressure; however, data supporting this practice are lacking. We hypothesized that repeat PAP titration would result in significant setting changes in children with obstructive sleep apnea syndrome.

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Background: While much has been reported regarding the clinical course of COVID-19 in children, little is known regarding factors associated with organ dysfunction in pediatric COVID-19. We describe critical illness in pediatric patients with active COVID-19 and identify factors associated with PICU admission and organ dysfunction. This is a retrospective chart review of 77 pediatric patients age 1 day to 21 years admitted to two New York City pediatric hospitals within the Northwell Health system between February 1 and April 24, 2020 with PCR + SARS-CoV-2.

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Patients with sickle cell disease (SCD) are living longer and subsequently more apt to develop cardiopulmonary dysfunction. N-terminal pro-brain natriuretic peptide (NT-proBNP) levels have been used in adults with SCD to assess for pulmonary hypertension and mortality. While the incidence of PH is low in pediatrics, it is reasonable to presume that NT-proBNP levels can be used to assess risk for the development of cardiopulmonary morbidity.

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Objectives: We aim to describe the demographics, clinical presentation, hospital course, and severity of pediatric inpatients with coronavirus disease 2019 (COVID-19), with an emphasis on healthy, immunocompromised, and chronically ill children.

Methods: We conducted a single-center retrospective cohort study of hospitalized children aged younger than 22 years with COVID-19 infection at Steven and Alexandra Cohen Children's Medical Center at Northwell Health. Cases were identified from patients with fever and/or respiratory symptoms who underwent a nucleic acid amplification-based test for severe acute respiratory syndrome coronavirus 2.

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We describe 3 febrile infants <2 months of age admitted to a large tertiary care children's hospital in New York and subsequently found to be infected with severe acute respiratory syndrome coronavirus 2. All 3 patients presented with fever, feeding difficulty, lymphopenia, and thrombocytosis on laboratory evaluation. Two of the 3 patients were found to have neutropenia, and 2 had known exposures to sick contacts.

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The profoundly hypoxemic child presents an interesting set of diagnostic and management challenges in the pediatric emergency department. While common pathologies including pneumonia, asthma, bronchiolitis, and pneumothoraces are managed using evidence-based algorithms, more enigmatic pathologies may present the treating physician with less diagnostic and therapeutic clarity. We present the case of a profoundly hypoxemic 16-year-old girl who presented in minimal distress, with oxyhemoglobin saturation of 63% on room air.

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