Publications by authors named "Temkit M"

Objective: Vomiting is a common and distressing acute side effect of chemotherapy, negatively impacting quality of life, nutritional status, and the ability of patients to tolerate further treatment. Standardized guidelines have been developed to improve control of nausea and vomiting. We aimed to determine the benefit of adherence to clinical practice guidelines (CPGs) on complete control of acute chemotherapy-induced vomiting in newly diagnosed pediatric patients with cancer.

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Article Synopsis
  • The CORNET Speech and Surgery study aims to compare speech outcomes and fistula rates between two palate repair techniques: straight-line closure with intra-velar veloplasty and Furlow Double-Opposing Z-palatoplasty.
  • It involves a longitudinal, observational approach across 20 sites in the U.S., with 1,247 children participating, specifically those with cleft palates.
  • The study's main focus is on assessing hypernasality in speech at age three, along with fistula rates and quality of life, with final results expected by early 2025.
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Background: Magnetic resonance imaging (MRI) is the only imaging modality capable of directly visualizing the levator veli palatini (LVP) muscles: the primary muscles responsible for velopharyngeal closure during speech. MRI has been used to describe normal anatomy and physiology of the velopharynx in research studies, but there is limited experience with use of MRI in the clinical evaluation of patients with velopharyngeal insufficiency (VPI).

Methods: MRI was used to evaluate the velopharyngeal mechanism in patients presenting for VPI management.

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Objective: To investigate whether flexible nasopharyngoscopy, when performed in addition to magnetic resonance imaging (MRI), influences the type of surgery selected or success of surgery in patients with velopharyngeal insufficiency (VPI).

Design: Cohort study.

Setting: A metropolitan children's hospital.

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The primary objective was to evaluate Group A streptococcal (GAS) tests performed with a Modified Centor Criteria (MCC) Score < 3 at Urgent Care Clinics (UCC). Secondary objectives included evaluating the MCC sensitivity and specificity, antibiotics prescribed with an MCC score < 3, and association between palatal petechiae and GAS pharyngitis infections. This was a retrospective review from July 1, 2018, to June 30, 2019, of Rapid Antigen Detection Tests (RADTs) on patients with ICD codes associated with pharyngitis.

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Background: Secondary Furlow (Furlow) and buccal myomucosal flaps (BMMF) treat velopharyngeal insufficiency by lengthening the palate and retropositioning the levator veli palatini muscles. The criteria for choosing one operation over the other remain unclear.

Methods: A single-center retrospective cohort study was conducted.

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Background: Extracorporeal membrane oxygenation (ECMO) provides lifesaving support to critically ill patients who experience refractory cardiopulmonary failure but carries a high risk for acute brain injury. We aimed to identify characteristics reflecting acute brain injury in children requiring ECMO support.

Methods: This is a prospective observational study from 2019 to 2022 of pediatric ECMO patients undergoing neuromonitoring, including continuous electroencephalography, cerebral oximetry, and transcranial Doppler ultrasound (TCD).

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Purpose: Brain tissue hypoxia is associated with poor outcomes after pediatric traumatic brain injury. Although invasive brain oxygenation (PbtO 2 ) monitoring is available, noninvasive methods assessing correlates to brain tissue hypoxia are needed. We investigated EEG characteristics associated with brain tissue hypoxia.

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Background: Motor vehicle collision (MVC) remains a leading cause of injury and death among children, but the proper use of child safety seats and restraints has lowered the risks associated with motor vehicle travel. Blunt cerebrovascular injury (BCVI) is rare but significant among children involved in MVC. This study reviewed the incidence of BCVI after MVC causing blunt injury to the head, face, or neck, comparing those that were properly restrained with those that were not.

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Article Synopsis
  • Blunt cerebrovascular injury (BCVI) is a rare but serious condition in children, with various screening criteria developed for adults and some validated for pediatric use.
  • A study analyzed the diagnostic accuracy of five screening criteria in a prospective, multi-institutional setting, involving 2,284 children under 15 who had experienced blunt trauma.
  • The Memphis criteria showed the highest sensitivity for detecting BCVI at 91.7%, while the Utah score had the highest specificity at 95.8%, highlighting differences in effectiveness among the screening tools.
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Objective: To present the design and methodology for an actively enrolling comparative effectiveness study of revision palatoplasty versus pharyngoplasty for the treatment of velopharyngeal insufficiency (VPI).

Design: Prospective observational multicenter study.

Setting: Twelve hospitals across the United States and Canada.

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Purpose: This study aims to describe the incidence of postoperative urinary retention among pediatric patients undergoing orthopedic surgery and identify risk factors. Methods: The Pediatric Health Information System was used to identify children aged 1−18 years who underwent orthopedic surgery. Collected from each patient’s record were demographic information, principal procedure during hospitalization, the presence of neurologic/neuromuscular conditions and other complex chronic medical conditions, the total postoperative length of stay, and the presence of postoperative urinary retention.

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Purpose: Early posttraumatic seizures (EPTS) occur after pediatric traumatic brain injury and have been associated with unfavorable outcomes. We aimed to characterize the relationship among quantitative EEG characteristics of early posttraumatic seizures, cerebral and somatic physiologic measures.

Methods: Differences in baseline physiologic, neuroimaging, and demographic characteristics between those with and without early posttraumatic seizures were investigated using Mann-Whitney U test or Fisher exact test.

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Objective: Post-traumatic epilepsy (PTE) is a known complication of traumatic brain injury (TBI). Limited physiologic biomarkers have been investigated in relation to pediatric PTE. Our aim is to identify clinical, physiologic and neuroimaging biomarkers predictive of pediatric PTE arising during the acute care phase after injury.

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Empathy is the cornerstone of the patient-physician relationship and is consistently ranked by patients as one of the most important factors in the quality of their care. In this paper we examine the degree to which perceived physician empathy is associated with the characteristics of the caregiver (parent or legal guardian) and physician in pediatric orthopedic surgery. This was a cross-sectional survey study of 200 English-speaking caregivers of pediatric patients at a large children's hospital.

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Background: We investigated how changes in partial pressure of brain tissue oxygenation (PbtO2) relate to end-tidal carbon dioxide (EtCO2) after pediatric traumatic brain injury (TBI). Methods: Dynamic structural equation modeling (DSEM) was used to investigate associations between EtCO2 and PbtO2, with positive associations indicating intact CO2 reactivity of PbtO2, and negative associations indicating impaired reactivity. Sub-analyses were performed to investigate associations of PbtO2 to intracranial pressure (ICP), arterial blood pressure (ABP) and cerebral regional oximetry (rSO2).

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Background: We investigated whether model-based indices of cerebral autoregulation (CA) are associated with outcomes after pediatric traumatic brain injury.

Methods: This was a retrospective analysis of a prospective clinical database of 56 pediatric patients with traumatic brain injury undergoing intracranial pressure monitoring. CA indices were calculated, including pressure reactivity index (PRx), wavelet pressure reactivity index (wPRx), pulse amplitude index (PAx), and correlation coefficient between intracranial pressure pulse amplitude and cerebral perfusion pressure (RAC).

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Purpose: Ketogenic metabolic therapy (KMT) has demonstrated effectiveness in seizure reduction. However, patient compliance and adverse effects limit its use. Ready-to-feed (RTF) ketogenic formulas improve compliance and include components that mitigate adverse effects.

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Article Synopsis
  • The study explored how quantitative EEG (QEEG) characteristics differ between injured and non-injured brain regions in children after acute stroke, focusing on cases of ischemic and hemorrhagic strokes.
  • In ischemic stroke cases, researchers found that injured areas had lower alpha and beta power as well as lower spectral edge frequency compared to uninjured areas, while this pattern was inconsistent in hemorrhagic cases.
  • Additionally, in patients with hemorrhagic strokes, a negative relationship was observed between total QEEG power and arterial blood pressure in the injured regions, but no consistent relationships with other hemodynamic measures like heart rate or cerebral oximetry were found.
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Background: Persistent headaches and migraines are common in pediatrics with various treatment options. The sphenopalatine ganglion (SPG) has been identified as communicating with the parasympathetic autonomic nervous system and pain receptors. In adults, SPG block is an established treatment but there is no published literature in pediatrics.

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This study investigates determinants of pediatric orthopedic surgery patients' parent or guardian (caregiver) satisfaction with the physician in an outpatient office setting. This was a cross-sectional survey study of 200 English-speaking caregivers of pediatric patients that checked into the pediatric orthopedic clinic at the authors' institution from 1 March 2017 to 1 November 2018. Questionnaires given in clinic include the Newest Vital Sign and The Literacy in Musculoskeletal Problems survey to measure general and musculoskeletal health literacy, respectively, demographic information, expected/estimated wait time, Consultation and Relational Empathy Measure, and Consumer Assessment of Healthcare Providers and Systems Clinician and Group.

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Objectives: The aim of the study was to investigate the role of point-of-care ultrasound (POCUS) as an alternative imaging modality to confirm proper placement for nasogastric tubes (NGTs) and orogastric tubes (OGTs) in pediatric patients.

Methods: This was a prospective descriptive study performed at a tertiary care free-standing children's hospital. Patients 21 years and younger requiring radiographic confirmation of NGT or OGT placement were eligible for enrollment.

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Study Objective: To describe the bleeding patterns associated with the use of the levonorgestrel intrauterine device (IUD) in adolescents.

Design, Setting, And Participants: A retrospective chart review of postmenarchal adolescent patients ages 8-19 years who had the levonorgestrel IUD inserted at Phoenix Children's Hospital from 2012 to 2018.

Interventions: Insertion of the 52-mg and 13.

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Background: Palate re-repair has been proposed as an effective treatment for velopharyngeal insufficiency (VPI) with a low risk of obstructive sleep apnea (OSA). The authors conducted a systematic review and meta-analysis to determine the proportion of patients achieving normal speech resonance following palate re-repair for VPI, the proportion developing OSA, and the criteria for patient selection that are associated with increased effectiveness.

Methods: PubMed, Embase, and Scopus were searched from inception through April 2018 for English language articles evaluating palate re-repair for the treatment of VPI in patients with a repaired cleft palate.

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Background And Purpose: Spiral MR imaging has several advantages compared with Cartesian MR imaging that can be leveraged for added clinical value. A multicenter multireader study was designed to compare spiral with standard-of-care Cartesian postcontrast structural brain MR imaging on the basis of relative performance in 10 metrics of image quality, artifact prevalence, and diagnostic benefit.

Materials And Methods: Seven clinical sites acquired 88 total subjects.

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