Publications by authors named "Michael G Tunik"

Unlabelled: It is unknown whether febrile infants 29 to 60 days old with positive urinalysis results require routine lumbar punctures for evaluation of bacterial meningitis.

Objective: To determine the prevalence of bacteremia and/or bacterial meningitis in febrile infants ≤60 days of age with positive urinalysis (UA) results.

Methods: Secondary analysis of a prospective observational study of noncritical febrile infants ≤60 days between 2011 and 2019 conducted in the Pediatric Emergency Care Applied Research Network emergency departments.

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Importance: In young febrile infants, serious bacterial infections (SBIs), including urinary tract infections, bacteremia, and meningitis, may lead to dangerous complications. However, lumbar punctures and hospitalizations involve risks and costs. Clinical prediction rules using biomarkers beyond the white blood cell count (WBC) may accurately identify febrile infants at low risk for SBIs.

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Background: Traumatic injury is the leading cause of paediatric morbidity and mortality in the USA. We present updated national data on emergency department (ED) discharges for traumatic injury for a recent 7-year period.

Methods: We conducted a descriptive epidemiological analysis of the Nationwide Emergency Department Sample Survey, the largest and most comprehensive database in the USA, for 2006-2012.

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Objectives: Computed tomography (CT) is often used in the emergency department (ED) evaluation of children with posttraumatic seizures (PTS); however, the frequency of traumatic brain injuries (TBIs) and short-term seizure recurrence is lacking. Our main objective was to evaluate the frequency of TBIs on CT and short-term seizure recurrence in children with PTS. We also aimed to determine the associations between the likelihood of TBI on CT with the timing of onset of PTS after the traumatic event and duration of PTS.

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Importance: Young febrile infants are at substantial risk of serious bacterial infections; however, the current culture-based diagnosis has limitations. Analysis of host expression patterns ("RNA biosignatures") in response to infections may provide an alternative diagnostic approach.

Objective: To assess whether RNA biosignatures can distinguish febrile infants aged 60 days or younger with and without serious bacterial infections.

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Study Objective: We describe presentations and outcomes of children with basilar skull fractures in the emergency department (ED) after blunt head trauma.

Methods: This was a secondary analysis of an observational cohort of children with blunt head trauma. Basilar skull fracture was defined as physical examination signs of basilar skull fracture without basilar skull fracture on computed tomography (CT), or basilar skull fracture on CT regardless of physical examination signs of basilar skull fracture.

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Objective: The objective was to compare the accuracy of the pediatric Glasgow Coma Scale (GCS) score in preverbal children to the standard GCS score in older children for identifying those with traumatic brain injuries (TBIs) after blunt head trauma.

Methods: This was a planned secondary analysis of a large prospective observational multicenter cohort study of children with blunt head trauma. Clinical data were recorded onto case report forms before computed tomography (CT) results or clinical outcomes were known.

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Objective: To determine the risk of traumatic brain injuries (TBIs) in children with headaches after minor blunt head trauma, particularly when the headaches occur without other findings suggestive of TBIs (ie, isolated headaches).

Methods: This was a secondary analysis of a prospective observational study of children 2 to 18 years with minor blunt head trauma (ie, Glasgow Coma Scale scores of 14-15). Clinicians assessed the history and characteristics of headaches at the time of initial evaluation, and documented findings onto case report forms.

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Objectives: The rapid growth of computed tomography (CT) has resulted in increased concerns of ionizing radiation exposure and its subsequent risk of cancer development. We evaluated the impact of a new protocol using rapid sequence magnetic resonance imaging (rsMRI) instead of CT in children presenting with possible ventriculoperitoneal shunt (VPS) malfunction to promote patient safety.

Methods: This is a retrospective case series of pediatric patients who received a neuroimaging study for emergency evaluation of possible VPS malfunction at New York University's Tisch Hospital Emergency Department between January 2010 and July 2011.

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Study Objective: We aimed to determine the prevalence of traumatic brain injuries in children who vomit after minor blunt head trauma, particularly when the vomiting occurs without other findings suggestive of traumatic brain injury (ie, isolated vomiting). We also aimed to determine the relationship between the timing and degree of vomiting and traumatic brain injury prevalence.

Methods: This was a secondary analysis of children younger than 18 years with minor blunt head trauma.

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Objective: To determine the accuracy of point-of-care ultrasonography for the diagnosis of pneumonia in children and young adults by a group of clinicians.

Design: Prospective observational cohort study.

Setting: Two urban emergency departments.

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Study Objective: We compare the prevalence of clinically important traumatic brain injuries and the use of cranial computed tomography (CT) in children with minor blunt head trauma with and without ventricular shunts.

Methods: We performed a secondary analysis of a prospective observational cohort study of children with blunt head trauma presenting to a participating Pediatric Emergency Care Applied Research Network emergency department. For children with Glasgow Coma Scale (GCS) scores greater than or equal to 14, we compared the rates of clinically important traumatic brain injuries (defined as a traumatic brain injury resulting in death, neurosurgical intervention, intubation for more than 24 hours, or hospital admission for at least 2 nights for management of traumatic brain injury in association with positive CT scan) and use of cranial CT for children with and without ventricular shunts.

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Objectives: The objective of this study was to describe the demographics of out-of-hospital cardiac arrests (OOHCAs) in children younger than 18 years and characteristics associated with survival among these children in New York City (NYC).

Methods: A prospective observational cohort of all children younger than 18 years with OOHCA in NYC between April 1, 2002, and March 31, 2003. Data were collected from prehospital providers by trained paramedics utilizing a previously validated telephone interview process.

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Objective: The objective of this study was to describe the demographics, epidemiology, and characteristics associated with survival of children younger than 18 years who had an out-of-hospital respiratory arrest (OOHRA) during a 1-year period in a large urban area.

Methods: A prospective observational cohort of consecutive children younger than 18 years with OOHRA cared for by the New York City 911 emergency medical services (EMS) system from April 12, 2002, to March 31, 2003. Following resuscitative efforts, data were collected from prehospital providers by trained paramedics using a previously validated telephone interview process.

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Objective: Treating or referring patients who are found to be anemic during pediatric emergency department (ED) encounters should lead to improved health in children and young adults. Before establishing guidelines how to approach the anemic in the pediatric ED, it is essential to determine the prevalence of anemia in the ED and our response to the presence of anemia.

Methods: We performed a retrospective cross-sectional study on hemoglobin levels from patients 1 to 23 years evaluated in an inner-city public hospital pediatric ED during a 12-month period.

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Background: Infant lumbar puncture (LP) is mandated by the Accreditation Council for Graduate Medical Education for all pediatric trainees. Current training usually involves the apprenticeship model of "see one, do one, teach one" where a trainee's first LP attempt occurs in a high-stakes environment. Simulation training promotes skill development in a safe environment before patient contact.

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Background: Agents of opportunity (AO) are potentially harmful biological, chemical, radiological, and pharmaceutical substances commonly used for health care delivery and research. AOs are present in all academic medical centers (AMC), creating vulnerability in the health care sector; AO attributes and dissemination methods likely predict risk; and AMCs are inadequately secured against a purposeful AO dissemination, with limited budgets and competing priorities. We explored health care workers' perceptions of AMC security and the impact of those perceptions on AO risk.

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Objective: To determine whether screening children in an urban pediatric emergency department (PED) would lead to identification of previously undiagnosed developmental delay.

Methods: This was a cross-sectional study of families presenting to an urban public hospital PED with children 6 to 36 months and no history of developmental delay. Children were screened for possible developmental delay using the Ages and Stages Questionnaire; parents completed an instrument that assesses 5 domains: communication, gross motor, fine motor, problem solving, and personal-social.

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Introduction: Injury is a major cause of death and disability in children and young adults worldwide. X-rays are routinely performed to evaluate injuries with suspected fractures. However, the World Health Organisation estimates that up to 75% of the world population has no access to any diagnostic imaging services.

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Background: CT imaging of head-injured children has risks of radiation-induced malignancy. Our aim was to identify children at very low risk of clinically-important traumatic brain injuries (ciTBI) for whom CT might be unnecessary.

Methods: We enrolled patients younger than 18 years presenting within 24 h of head trauma with Glasgow Coma Scale scores of 14-15 in 25 North American emergency departments.

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In recent years, attention has been given to disaster preparedness for first responders and first receivers (hospitals). One such focus involves the decontamination of individuals who have fallen victim to a chemical agent from an attack or an accident involving hazardous materials. Children often are overlooked in disaster planning.

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Methods: A cohort of children younger than 18 years presenting to an urban pediatric emergency department (PED) who underwent psychiatric consultation was analyzed. A standardized data collection sheet was prospectively completed and included: patient characteristics, extent of medical evaluation and findings, ancillary diagnostic studies, resources utilized, dangerous behaviors, and disposition.

Results: Two hundred ten patients required psychiatric evaluation.

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