Publications by authors named "Pham Phung"

Objectives: This study compares care-seeking behavior, care delivery, and outcomes for infants with suspected brief resolved unexplained events (BRUEs) who were treated by emergency medical services (EMS) and emergency department clinicians before and after the onset of the coronavirus disease 2019 (COVID-19) pandemic and stay-at-home mandates.

Methods: This multicenter, retrospective observational study uses prehospital and hospital data on EMS-treated infants (age ≤12 months) with a primary paramedic impression of BRUE. We evaluated interventions, management, and outcomes, including transports and admissions, before (April 2019 to February 2020) and after (April 2020 to February 2021) the start of the pandemic and stay-at-home mandates in March 2020.

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Background: Pediatric patients transferred by Emergency Medical Services (EMS) from urgent care (UC) and office-based physician practices to the emergency department (ED) following activation of the 9-1-1 EMS system are an under-studied population with scarce literature regarding outcomes for these children. The objectives of this study were to describe this population, explore EMS level-of-care transport decisions, and examine ED outcomes.

Methods: This was a retrospective review of patients zero to <15 years of age transported by EMS from UC and office-based physician practices to the ED of two pediatric receiving centers from January 2017 through December 2019.

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Background: Although appendicitis is the most common pediatric surgical emergency, the path to diagnosis remains equivocal, with utilization of imaging modalities largely institution dependent.

Objectives: Our objective was to compare imaging practices and negative appendectomy rates between patients transferred from nonpediatric hospitals to our pediatric hospital and primary patients presenting directly to our institution.

Methods: We retrospectively reviewed all laparoscopic appendectomy cases performed at our pediatric hospital in 2017 for imaging and histopathologic results.

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Importance: Pediatric emergency department (ED) visits for mental health crises are increasing. Patients who frequently use the ED are of particular concern, as pediatric mental health ED visits are commonly repeat visits. Better understanding of trends and factors associated with mental health ED revisits is needed for optimal resource allocation and targeting of prevention efforts.

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Background: COVID-19 vaccinations are now recommended in the United States (U.S.) for children ≥ 6 months old.

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Introduction: Current bone models used for pediatric intraosseous (IO) placement training are expensive or lack anatomic and/or functional fidelity. This technical report describes the development and validation of a 3-dimensional printed (3DP) tibia from a pediatric lower extremity computed tomography scan for IO procedural training.

Methods: Multiple 3DP tibia models were printed using a dual-extrusion fused-filament fabrication printer.

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Objective: A small number of children in the United States use a disproportionate share of emergency healthcare services. Our study objective was to examine characteristics associated with frequent pediatric emergency department (PED) utilization.

Methods: A retrospective cohort-sequential study of patients seen in the PED of an urban children's hospital was conducted.

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Article Synopsis
  • Accurate weight assessment is crucial for pediatric medication dosing but is challenging in prehospital settings, making medication errors common; two systems, the Handtevy method and Broselow tape, aid EMS providers in weight estimation and dosing.
  • This study aimed to evaluate how well these methods work in real-life scenarios by analyzing data from EMS transport of pediatric patients to a children's hospital between January and June 2021.
  • Findings showed that the Broselow method estimated patient weight accurately within +/-10% of the ED scale in 51.3% of cases, while the Handtevy method did so in 43.7%; no significant differences were observed between the two methods.
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Objective: The emergency department (ED) is a demanding environment, and critical events have been identified as contributors to stress. Debriefing is a possible intervention for staff, but there is little information regarding formulation and implementation. A needs assessment was conducted to describe the emotions of pediatric ED (PED) staff following critical events and assess opinions regarding debriefing.

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Objective: To describe the social needs of families screened by the Community Health Advocates Team (CHAT) Desk, situated within a pediatric emergency department (PED); and to evaluate the effectiveness of this help desk in connecting families to community resources.

Methods: Trained undergraduates, onsite in the PED 30 hours/week during daytime and evening hours, weekdays and weekends, screened a convenience sample of families of patients in the PED for social needs, and provided information on available community resources. Families were offered a follow-up phone call several weeks after their PED visit to assess program satisfaction and success, and identify remaining social needs.

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Objective: The objective was to investigate the impact of affective, social, behavioral, and cognitive factors on pediatric emergency department (PED) provider mood changes during clinical shifts, with the introduction of a novel on-shift measure.

Methods: The nominal group technique was used to generate the ED experience survey (EDES), encompassing factors that may influence PED provider mood. Providers were alerted via experience sampling method to complete the EDES and positive and negative affect schedule at randomly generated times.

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Background: Communication failures secondary to damaged infrastructure have caused difficulties in coordinating disaster responses. Two-way radios commonly serve as backup communication for hospitals. However, text messaging has become widely adopted in daily life and new technologies such as wireless mesh network (WMN) devices allow for text messaging independent of cellular towers, Wi-Fi networks, and electrical grids.

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Anxiety and anticipatory stressors are commonly experienced by children visiting the Pediatric Emergency Department (PED), but little research exists that addresses the efficacy of interventions to decrease this stress. This one-sample pretest-postest pilot study gathered preliminary data on the feasibility and effectiveness of utilizing audiobooks to reduce fear and state anxiety in children in the PED. Participants were 131 children in kindergarten through 8th grade ( = 9.

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In March 2020, the American College of Emergency Physicians (ACEP) published a national strategic plan for COVID-19, which provides general guidelines yet leaves logistical details for institutions to determine. Key capabilities from this plan provided a crucial foundation for a 16-day Emergency Department (ED) surge planning process at one pediatric institution. This paper describes critical milestones and lessons learned during this brief period, including derivation of criteria for ED surge activation, a full-scale surge drill, and the resultant ED surge protocol.

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Background: Ultrasound (US) is the preferred method of initial evaluation for appendicitis in pediatrics. However, limited accuracy of US for appendicitis is an obstacle to implementation of US-first protocols at facilities less experienced with US.

Objectives: The primary objective was to demonstrate changes in diagnostic accuracy of US for appendicitis over time, after implementation of an US-first protocol.

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Objective: To determine the frequency of abdominal radiographs obtained in healthy children aged 6 months to 18 years to diagnose constipation in a pediatric emergency department, and evaluate the impact of quality improvement (QI) interventions on their use.

Study Design: QI study over 2.5 years at a large urban quaternary care children's hospital emergency department.

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Background: Academic emergency medicine is a constant balance between efficiency and education. We developed a new model called swarming, where the bedside nurse, resident, and attending/fellow simultaneously evaluate the patient, including initial vital signs, bedside triage, focused history and physical examination, and discussion of the treatment plan, thus creating a shared mental model.

Objectives: To combine perceptions from trainee physicians, supervising physicians, nurses, and families with in vivo measurements of emergency department swarms to better conceptualize the swarming model.

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Objectives: Infant cardiopulmonary resuscitation (CPR) has been taught to caregivers of infants in inpatient settings. There are no studies to date that look at teaching infant CPR in the emergency department (ED). Using a framework of cognitive load theory, we compared teaching infant CPR to caregivers in a pediatric ED versus an inpatient setting.

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Background: The utility of testing for urinary tract infection (UTI) in febrile infants with bronchiolitis is indeterminate.

Objective: The objective of this study was to investigate if the incidence of UTIs in febrile infants 2 to 12 months of age with bronchiolitis is higher than the presumed incidence of asymptomatic bacteriuria and determine risk factors associated with UTIs in this population.

Methods: This prospective multicenter cross-sectional study was conducted in the emergency departments of 6 children's hospitals between November 2011 and June 2015.

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Objective: National rates of left (or leaving) without being seen (LWBS) in pediatric emergency departments (PED) are higher than general emergency departments. We investigated coexisting perspectives on LWBS.

Methods: Q-methodology was implemented through a mixed-methods design.

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Objective: To identify community resource needs among families presenting to a pediatric emergency department (PED).

Methods: A convenience sample of English- and Spanish-speaking caregivers residing in Los Angeles County who presented to the PED of a large urban children's hospital were surveyed. The needs assessment survey assessed demographics, food insecurity, and previous and anticipated need for 12 common community resources.

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Objectives: Adolescent female patients who are not sexually active and who present to a pediatric emergency department with abdominal pain require a full bladder prior to transabdominal ultrasound. Procedures to fill the bladder are largely institution or provider dependent. We examined adolescent females' attitudes and opinions toward 2 common methods of bladder filling, intravenous fluid administration and transurethral Foley catheter placement, by means of a Q-sort study.

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Unlabelled: IntroductionTerrorism and natural catastrophes have made disaster preparedness a critical issue. Despite the documented vulnerabilities of children during and following disasters, gaps remain in health care systems regarding pediatric disaster preparedness. This research study examined changes in knowledge acquisition of pediatric disaster preparedness among medical and non-medical personnel at a children's hospital who completed an online training course of five modules: planning, triage, age-specific care, disaster management, and hospital emergency code response.

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Regular exercise elicits advantageous metabolic adaptations in skeletal muscle, such as improved insulin sensitivity. However, the underpinning molecular mechanisms and the effect of diet on muscle exercise training benefits are unclear. We therefore characterized the skeletal muscle proteome following exercise training (ET) in mice fed chow or high-fat diet (HFD).

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