Publications by authors named "Buchhalter J"

Article Synopsis
  • SUDEP (Sudden Unexpected Death in Epilepsy) is a significant concern for families dealing with epilepsy, and both caregivers and clinicians prefer open conversations about its risks.
  • The study focused on understanding preferences for discussing SUDEP among clinicians and caregivers of children with epilepsy, leading to the development of a conversation guide tailored to these needs.
  • Key findings include preferences for neurologists to lead discussions, suggestions for when and where to have these conversations, necessary content about SUDEP, and obstacles such as time constraints and the need for educational resources to support these discussions.
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Background And Objectives: Epilepsy affects approximately 1.2% of the US population, resulting in 3.4 million Americans with active epilepsy.

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Background And Objectives: Visibility of sexual and gender minority (SGM) people has been steadily increasing over the recent years; however, little is known about the distinct seizure and mental health characteristics among SGM people with epilepsy. In this study, we describe these characteristics among SGM subgroups.

Methods: Data on demographics, seizure metrics, mental health, and quality of life were collected using patient-reported questionnaires gathered at first epilepsy clinic visits as part of routine clinical care from January 2019 to September 2023 at Massachusetts General Hospital.

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Background: Sudden Unexpected Death in Epilepsy (SUDEP) is a complication of epilepsy responsible for approximately 1 death per 1000 patients. The literature has demonstrated minimal SUDEP disclosure between providers and patients, although patients have consistently reported desire to know about their risk. However, the majority of these studies has been conducted in Caucasian populations which did not seek to include lower socio-economic class individuals.

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Objective: To assess the possible effects of genetics on seizure outcome by estimating the familial aggregation of three outcome measures: seizure remission, history of ≥4 tonic-clonic seizures, and seizure control for individuals taking antiseizure medication.

Methods: We analyzed families containing multiple persons with epilepsy in four previously collected retrospective cohorts. Seizure remission was defined as being 5 and 10 years seizure-free at last observation.

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Background And Objectives: Accurate and reliable seizure data are essential for evaluating treatment strategies and tracking the quality of care in epilepsy clinics. This quality improvement project aimed to increase seizure documentation (i.e.

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Biomedical ontologies are widely used to harmonize heterogeneous data and integrate large volumes of clinical data from multiple sources. This study analyzed the utility of ontologies beyond their traditional roles, that is, in addressing a challenging and currently underserved field of feature engineering in machine learning workflows. Machine learning workflows are being increasingly used to analyze medical records with heterogeneous phenotypic, genotypic, and related medical terms to improve patient care.

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Introduction: The lack of ideal measurement of treatment efficacy is a well acknowledged problem in the epilepsy community, both in clinical care and clinical trials. Whilst still the current gold-standard, self-reported seizure frequency significantly underestimates the true number of seizures and does not account for any other at least equally important outcome parameters, such as neurodevelopment and cognition. With the rise of disease modifying treatments, the need for more reliable endpoints in practice and clinical trials becomes more pressing.

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Article Synopsis
  • The Epilepsy Learning Healthcare System (ELHS) was established in 2018 to improve outcomes for epilepsy patients, but data fragmentation posed challenges for effective reporting and participation.
  • Researchers aimed to implement an open-source Data Integration (DI) method to connect clinical data from electronic health records (EHR) to the national ELHS registry.
  • The feasibility study collected data from 1806 epilepsy patients, focusing on key metrics like seizure type and frequency, and successfully automated the data extraction and preprocessing, making it readily accessible for ongoing quality improvement efforts.
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Objective: This clinical intervention study aimed to improve care integration and health service delivery for children with concurrent neurodevelopmental disorders and chronic health conditions. This population has significant unmet needs and disproportionate deficits in service delivery. A lack of coordination across child service sectors is a common barrier to successful treatment and support of children with neurodevelopmental disorders with complex medical needs.

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Objective: We sought to improve seizure response times in the epilepsy monitoring unit, improve the accuracy and reliability of seizure response time data collection, and develop a standardized and automated approach for seizure response data collection in the EMU.

Methods: We used Quality Improvement (QI) methodology to understand the EMU workflow involved in responding to seizures (a process map); to create a theory of change that stated the desired aim, potential drivers/barriers and interventions (i.e.

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Article Synopsis
  • The Epilepsy Foundation developed expert guidelines for rescue therapies for seizure clusters, and 79% of healthcare professionals agreed on these practices, addressing gaps in understanding and education about seizure clusters for patients and families.
  • An online survey of 176 people, including those with epilepsy and their caregivers, assessed their agreement with the preferred practices, revealing a similarity in consensus levels with healthcare professionals.
  • While there was strong agreement on individualized seizure action plans and the need for enhanced education on rescue therapies, participants had differing views on various practices and did not reach consensus on a definition for seizure clusters.
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Amongst the most important conditions in the differential diagnosis of epilepsy is the one that manifests as paroxysms of altered behaviour, awareness, sensation or sense of bodily control in ways that often resemble epileptic seizures, but without the abnormal excessive or synchronous electrical activity in the brain that defines these. Despite this importance, there remains little agreement - and frequent debate - on what to call this condition, known inter alia as psychogenic non-epileptic seizures (PNES), dissociative seizures (DS), functional seizures (FS), non-epileptic attack disorder (NEAD), pseudoseizures, conversion disorder with seizures, and by many other labels besides. This choice of terminology is not merely academic - it affects patients' response to and understanding of their diagnosis, and their ability to navigate health care systems.

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Seizure documentation is an essential component of epilepsy management. Not all persons with epilepsy choose to document their seizures, but many view the practice as essential to managing their disease. While seizure documentation is a valuable aspect of patient care, clinicians and patients must remain aware that seizure underreport and overreport commonly occur due to lack of seizure awareness.

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Objective: To describe the development of the Pediatric Epilepsy Outcome-Informatics Project (PEOIP) at Alberta Children's Hospital (ACH), which was created to provide standardized, point-of-care data entry; near-time data analysis; and availability of outcome dashboards as a baseline on which to pursue quality improvement.

Methods: Stakeholders involved in the PEOIP met weekly to determine the most important outcomes for patients diagnosed with epilepsy, create a standardized electronic note with defined fields (patient demographics, seizure and syndrome type and frequency and specific outcomes- seizure type and frequency, adverse effects, emergency department visits, hospitalization, and care pathways for clinical decision support. These were embedded in the electronic health record from which the fields were extracted into a data display platform that provided patient- and population-level dashboards updated every 36 hours.

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Background: Some of the most difficult issues in the care of people living with epilepsy (PWE) regard the definition, treatment, and communication of unexpected increase(s) in seizure frequency over a relatively short duration of time. In order to address this issue, the Epilepsy Foundation established the Rescue Therapy Project in Epilepsy to understand the gaps, needs, and barriers facing people with epilepsy who use or may benefit from rescue therapies (RTs) for "seizure clusters". The intent was to provide consensus-derived recommendations from a broad stakeholder group including PWE, their caregivers, epilepsy specialist physicians, nurses, pharmacists, and representatives of epilepsy & neurology advocacy and professional organizations.

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Background: Sudden unexpected death in epilepsy (SUDEP) is a rare but fatal risk that patients, parents, and professional societies clearly recommend discussing with patients and families. However, this conversation does not routinely happen.

Objectives: This pilot study aimed to demonstrate whether computerized decision support could increase patient communication about SUDEP.

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Objective: To describe the organization of the Epilepsy Learning Healthcare System (ELHS), a network that aims to improve care outcomes for people with epilepsy (PWE).

Materials And Methods: Patients and family partners, providers, researchers, epidemiologists, and other leaders collaborated to recruit epilepsy centers and community services organizations into a novel learning network. A multidisciplinary Coordinating Committee developed ELHS governance and organizational structure, including four key planning Cores (Community, Clinical, Quality Improvement, and Data).

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Article Synopsis
  • The study aimed to explore the impact of rare genetic variants on how patients with absence epilepsy respond to two medications: valproic acid (VPA) and ethosuximide (ETX).
  • They hypothesized that rare variants in the CACNA1H gene would be more common in patients who do not respond to ETX, while rare variants in GABA-receptor genes would be more frequent in those who do not respond to VPA.
  • The results showed no significant differences in rare variant frequencies between responsive and non-responsive groups for both medications, but an increase in rare GABA-receptor variants was noted in patients who failed initial treatments, suggesting a potential link to GABA receptor dysfunction in absence epilepsy.
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Objective: Common data elements (CDEs) are standardized questions and answer choices that allow aggregation, analysis, and comparison of observations from multiple sources. Clinical CDEs are foundational for learning health care systems, a data-driven approach to health care focused on continuous improvement of outcomes. We aimed to create clinical CDEs for pediatric epilepsy.

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The purpose of this study was to determine psychophysiology and dissociative characteristics of psychogenic non-epileptic seizures (PNES) in a clinical pediatric setting. A retrospective chart review was conducted over a 5-year period that included children meeting criteria for probable, clinically established or documented PNES. Of these, 33 patients (81%) underwent psychophysiology assessment as part of standardized care and were selected for study inclusion.

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Article Synopsis
  • This report by the International League Against Epilepsy (ILAE) discusses driving and psychogenic nonepileptic seizures (PNES), summarizing existing literature and expert opinions while proposing a method for assessing driving abilities in individuals with PNES.
  • A systematic review identified eight studies, which lacked strong evidence for driving regulations related to PNES; however, the majority of health professionals believe some restrictions are warranted.
  • The report recommends evaluating driving permissions on a case-by-case basis, emphasizing that individuals with active PNES (defined as having a seizure within the past 6 months) should typically be prohibited from driving until further research clarifies accident risks for this group.
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Epilepsy is a heterogeneous condition with disparate etiologies and phenotypic and genotypic characteristics. Clinical and research aspects are accordingly varied, ranging from epidemiological to molecular, spanning clinical trials and outcomes, gene and drug discovery, imaging, electroencephalography, pathology, epilepsy surgery, digital technologies, and numerous others. Epilepsy data are collected in the terabytes and petabytes, pushing the limits of current capabilities.

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Objective: To evaluate the accuracy of ICD-10-CM claims-based definitions for epilepsy and classifying seizure types in the outpatient setting.

Methods: We reviewed electronic health records (EHR) for a cohort of adults aged 18+ years seen by six neurologists who had an outpatient visit at a level 4 epilepsy center between 01/2019-09/2019. The neurologists used a standardized documentation template to capture the diagnosis of epilepsy (yes/no/unsure), seizure type (focal/generalized/unknown), and seizure frequency in the EHR.

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