Publications by authors named "Weil A"

Epileptic spasms (ES) are a unique seizure type typically presenting in the form of infantile epileptic spasms syndrome (IESS) with characteristic hypsarrhythmia on scalp EEG and a preponderance with developmental delay or regression. While pharmacotherapy is the mainstay of treatment, surgical options, including disconnective or resective procedures, are increasingly recognized as viable therapeutic options for recurrent or persistent ES. However, limited data on safety, effectiveness, and prognostic factors hinder informed decision-making regarding surgery indications, timing, and intervention type.

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Background: Understanding protection against SARS-CoV-2 infection by vaccine and hybrid immunity is important for informing public health strategies as new variants emerge.

Methods: We analyzed data from three cohort studies spanning September 1, 2022-July 31, 2023, to estimate COVID-19 vaccine effectiveness (VE) against SARS-CoV-2 infection and symptomatic COVID-19 among adults with and without prior infection in the United States. Participants collected weekly nasal swabs, irrespective of symptoms, annual blood draws, and completed periodic surveys, which included vaccination status and prior infection history.

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Objective: There has been rapid advancement in the development of deep brain stimulation (DBS) as a treatment option for adults for neurological and neuropsychiatric conditions. Here, we present a scoping review of completed and ongoing clinical trials focused on DBS in pediatric populations, highlighting key knowledge gaps.

Methods: Three databases (PubMed, OVID, and Embase) and the clinicaltrials.

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Background: Institutions of higher education (IHE) have been a focus of SARS-CoV-2 transmission studies but there is limited information on how viral diversity and transmission at IHE changed as the pandemic progressed.

Methods: Here we analyze 3606 viral genomes from unique COVID-19 episodes collected at a public university in Seattle, Washington from September 2020 to September 2022.

Results: Across the study period, we found evidence of frequent viral transmission among university affiliates with 60% (n = 2153) of viral genomes from campus specimens genetically identical to at least one other campus specimen.

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Epilepsy is a neurological disorder characterized by recurring seizures that can cause a wide range of symptoms. Stereo-electroencephalography (SEEG) is a diagnostic procedure where multiple electrodes are stereotactically implanted within predefined brain regions to identify the seizure onset zone, which needs to be surgically removed or disconnected to achieve remission of focal epilepsy. This procedure is complex and challenging due to two main reasons.

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Thousands of essays and studies have been published on placebo and nocebo. Yet, despite this plethora of information, we are not much closer to a comprehensive understanding of the fundamental mechanism producing placebo and nocebo effects than we were in 1946, when participants in the Cornell Conferences on Therapy speculated on the roles of authority, belief and expectancy. In this paper, we examine the weaknesses in current placebo and nocebo definitions and theories.

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This study highlights the use of loblolly pine derived biochar for the removal of harmful algal bloom toxin, Saxitoxin (STX), from water. Biochar samples were prepared at varying pyrolysis temperatures (400, 600 and 800 °C) for 60 min. As pyrolysis temperature increases, enhancement in surface porosity was observed (S = 7.

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Objective: The utilization of biologic drugs in children with inflammatory bowel disease (IBD) surged following the publications of positive results in randomized controlled trials and real-world studies. We aimed to explore the extent of publication bias associated with these findings.

Methods: Two reviewers assessed all abstracts evaluating the efficacy or safety of biologics presented at the annual European Society for Pediatric Gastroenterology Hepatology and Nutrition and North American Society for Pediatric Gastroenterology conferences from 2015 to 2019.

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Article Synopsis
  • A study was conducted from September 2022 to April 2023 to evaluate how COVID-19 vaccines affect the risk of infection in children under 5 years old.
  • The results showed no significant difference in infection risk between vaccinated and unvaccinated children.
  • Although the vaccines are effective in preventing severe illness, they may not prevent the actual infection of the virus in young kids.
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Background And Objectives: There is a paucity of data directly comparing the outcome of surgical techniques available for the treatment of hypothalamic hamartomas (HHs). This study aims to evaluate the safety and efficacy of commonly used surgical approaches in the treatment of HH-related epilepsy.

Methods: A systematic review and individual participant data (IPD) meta-analysis was conducted.

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Purpose: TRK fusions are detected in less than 2% of central nervous system tumors. There are limited data on the clinical course of affected patients.

Experimental Design: We conducted an international retrospective cohort study of patients with TRK fusion-driven CNS tumors.

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  • The study investigates the motility differences between filamentous and comma-shaped forms of the cholera bacterium O1 strain under different viscosity levels.
  • Filamentous cells show improved motility in viscous environments, aiding their survival, particularly in the human gut.
  • The findings suggest that these filamentous forms have a better ability to navigate through mucus layers, which could enhance their role in causing infections and inform new approaches to cholera management.
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This study investigated the use of frontal electroencephalography (EEG) to monitor varying levels of isoflurane anesthesia in dogs. The patient state index (PSI), burst suppression ratio (SR), and waveforms, were continuously recorded while mean arterial blood pressure (MBP), heart rate, responses to electric stimuli, and subjective anesthetic "depth" were assessed every 3 min. At deep anesthesia (2.

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  • The FDA regulates medical devices to make sure they are safe and work well before they can be sold.
  • A survey was done to understand how the FDA's Medical Devices Advisory Committee makes decisions and what could be improved.
  • Out of 92 panel members, most were men and white, and many thought the information from the FDA was fair and that important trials were often designed well.
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  • Microsurgical resection of epilepsy-related lesions carries risks of motor impairment, prompting the exploration of less invasive options like MRI-guided laser interstitial thermal therapy (MRgLITT) which has shown improved neurological outcomes.
  • A case study of a 17-year-old athlete highlighted the use of advanced tractography techniques to map the corticospinal tract (CST), aiding in presurgical planning and guiding the MRgLITT procedure.
  • The integration of CST tractography proved to be effective in enhancing the MRgLITT process, allowing for successful tumor ablation while preserving motor function, although challenges in tractography accuracy and thermal output predictability remain to be addressed.
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Background And Objectives: Complete resection of epileptogenic zone is the single most important determinant of favorable seizure outcomes in resective surgery. However, identifying and resecting this zone is challenging in patients harboring diffuse; MRI-occult malformations of cortical development, such as focal cortical dysplasia; or acquired pathology, such as Rasmussen encephalitis. Intraoperative adjuncts that can aid in identifying the lesion and/or epileptogenic zone can optimize the extent of resection and seizure outcome.

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Candida auris is considered a nosocomial pathogen of high concern and is currently spreading across the United States. Infection control measures for C. auris focus mainly on healthcare facilities, yet transmission levels may already be significant in the community before outbreaks are detected in healthcare settings.

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  • A study was conducted to analyze how often dermatologic surgeons face challenges in identifying the locations of skin cancer tumors before surgery.
  • Out of over 17,000 cases, only 0.60% involved uncertain sites, with these cases more common in older, male patients who had biopsies done over a month prior.
  • Surgeons commonly used various methods to confirm tumor locations, achieving success in identifying 82% of these uncertain sites, while some surgeries were delayed, especially for non-facial tumors.
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Introduction: Cannabis products have been used in the management of headaches in adults and may play a role in pediatric chronic pain. Canadian pediatricians report increasing use of cannabis for the management of chronic headaches, despite no well-controlled studies to inform its dosing, safety, and effectiveness. The aim of our clinical trial is to determine the dosing and safety of a Cannabidiol (CBD)-enriched Cannabis Herbal Extract (CHE) for the treatment of chronic headaches in adolescents.

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Histone H3-mutant gliomas are deadly brain tumors characterized by a dysregulated epigenome and stalled differentiation. In contrast to the extensive datasets available on tumor cells, limited information exists on their tumor microenvironment (TME), particularly the immune infiltrate. Here, we characterize the immune TME of H3.

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