Publications by authors named "Patrick W Carney"

Article Synopsis
  • Disorders of consciousness (DoC) refer to conditions where a person has reduced awareness or ability to respond, and deep brain stimulation (DBS) is being explored as a treatment, with varying effectiveness based on patient specifics and stimulation methods.
  • In a study of 40 DoC patients receiving DBS, improved consciousness was linked to better gray matter preservation, particularly in the striatum, and effective stimulation targeted specific brain areas, particularly the thalamic centromedian-parafascicular complex.
  • The research highlights the need for precise electrode placement and suggests a connection between successful DBS treatment for DoC and mechanisms involved in other conditions that impair consciousness, such as absence seizures and brain lesions
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Article Synopsis
  • After a first seizure, anti-seizure medications (ASMs) can influence the likelihood of additional seizures, leading to a study that analyzes brain network changes using fMRI data from 28 participants before and during ASM therapy.
  • The research found that ASM treatment increased the clustering coefficient and decreased network path length, indicating more efficient brain connections, with the greatest changes observed in specific brain regions linked to seizure activity.
  • The findings suggest that individuals with recurrent seizures exhibit more significant network changes after ASM treatment, highlighting the need for larger studies to better understand the relationship between ASM effects and long-term seizure outcomes.
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Article Synopsis
  • - The study aimed to evaluate the use of a seizure recurrence prediction tool in a First Seizure Clinic by analyzing the accuracy of initial diagnoses and the effectiveness of computational models in predicting seizures after a first unprovoked seizure (FUS).
  • - Among the 487 patients in the accuracy cohort, 69% maintained their initial diagnosis over 6 months, but misdiagnosis occurred in 5%, with 17% progressing to epilepsy; in the prediction cohort of 181 patients, the 12-month seizure recurrence rate was found to be 41%.
  • - While the initial diagnosis showed high accuracy, the current prediction models' performance was modest, suggesting that additional data beyond just clinical factors is necessary to enhance the ability to
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Objectives: Timely access to specialist outpatient clinics can be difficult to achieve as outpatient services are often oversubscribed leading to unacceptable wait times. New patients, or those with emergent issues may wait for appointments whilst existing patients are booked in for routine reviews "just in case" there is a problem, using considerable clinic resources. We investigated routine 12-month review appointments to assess whether these appointments changed patient management.

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Importance: First-seizure clinics (FSCs) aim to deliver prompt specialist care to patients with new-onset undifferentiated seizure events.

Objective: To determine whether FSC attendance and time to FSC are associated with subsequent health care utilization and mortality and to investigate factors associated with FSC nonattendance.

Design, Setting, And Participants: This was a record-linkage, retrospective, cohort study of patients who booked appointments at 2 FSCs between 2007 and 2018.

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Purpose: Delays in outpatient specialist neurologist care for people with epilepsy are common despite recommendations for prompt access. There is evidence to suggest that there are interventions that can minimise waitlists and waiting time. However, little is known about whether such interventions can result in sustained improvements in waiting.

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Objective: This overview of systematic reviews aimed to appraise evidence regarding self-management strategies on health-related quality of life, self-efficacy, medication compliance, seizure status and psychosocial outcomes compared to usual care for people with epilepsy.

Methods: Databases were searched until September 2022 using MeSH terms included OVID Medline, Embase and Cochrane. Following application of eligibility criteria, data were extracted and quality of articles was assessed using the AMSTAR2 checklist.

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Background: Delayed access to outpatient care may negatively impact on health outcomes. We aimed to evaluate implementation of the Specific Timely Appointments for Triage (STAT) model of access in an epilepsy clinic to reduce a long waitlist and waiting time.

Methods: This study is an intervention study using pre-post comparison and an interrupted time series analysis to measure the effect of implementation of the STAT model to an epilepsy clinic.

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Improved quality of life (QoL) is an important outcome goal following epilepsy surgery. This study aims to quantify change in QoL for adults with drug-resistant epilepsy (DRE) who undergo epilepsy surgery, and to explore clinicodemographic factors associated with these changes. We conducted a systematic review and meta-analysis using Medline, Embase, and Cochrane Central Register of Controlled Trials.

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Objective: This study was undertaken to analyze phenotypic features of a cohort of patients with protracted CLN3 disease to improve recognition of the disorder.

Methods: We analyzed phenotypic data of 10 patients from six families with protracted CLN3 disease. Haplotype analysis was performed in three reportedly unrelated families.

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Objectives: People with epilepsy have a higher prevalence of medical and psychiatric comorbidities compared to the general population. Comorbidities are associated with poor epilepsy outcomes, and there have been recommendations for screening and early identification to improve clinical management. Data from 'First Seizure Clinics' (FSCs) with expert epileptological review can inform about disorders already present at the point of diagnosis of epilepsy or unprovoked seizures.

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Objectives: An important but understudied benefit of resective epilepsy surgery is improvement in productivity; that is, people's ability to contribute to society through participation in the workforce and in unpaid roles such as carer duties. Here, we aimed to evaluate productivity in adults with drug-resistant epilepsy (DRE) pre- and post-resective epilepsy surgery, and to explore the factors that positively influence productivity outcomes.

Methods: We conducted a systematic review and meta-analysis using four electronic databases: Medline (Ovid), EMBASE (Ovid), EBM Reviews - Cochrane Central Register of Controlled Trials (CENTRAL), and Cochrane Library.

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Objective: New-onset seizures affect up to 10% of people over their lifetime, however, their health economic impact has not been well-studied. This prospective multicenter study will collect patient-reported outcome measures (PROMs) from adults with new-onset seizures seen in six Seizure Clinics across Melbourne, Australia and The University of Colorado, USA.

Methods: Approximately 450 eligible patients will be enrolled in the study at or following their initial attendance to Seizure Clinics at the study hospitals.

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Objective: To determine the association between delays in access to specialist epilepsy care and patient outcomes.

Methods: Three databases were searched using eligibility criteria related to the concepts of timely access, epilepsy, and clinical outcome. Comparative data on patient outcomes by time to treatment was required for inclusion.

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Objective: The MAST family of microtubule-associated serine-threonine kinases (STKs) have distinct expression patterns in the developing and mature human and mouse brain. To date, only MAST1 has been conclusively associated with neurological disease, with de novo variants in individuals with a neurodevelopmental disorder, including a mega corpus callosum.

Methods: Using exome sequencing, we identify MAST3 missense variants in individuals with epilepsy.

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Objective: 'First seizure' clinics (FSCs) aim to achieve early expert assessment for individuals with possible new-onset epilepsy. These clinics also have substantial potential for research into epilepsy evolution, outcomes, and costs. However, a paucity of FSCs details has implications for interpretation and utilization of this research.

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Article Synopsis
  • Adverse events (AEs) from antiepileptic drugs (AEDs) can hinder proper dosing and patient compliance, leading to worse seizure control and increased health risks, which this study aimed to analyze using the Liverpool Adverse Events Profile (LAEP).
  • The study enrolled 311 adult patients to explore factors like gender, mood disorders, and AED polytherapy in relation to AEs, finding that depression and female sex were linked to higher AEs, while epilepsy patients reported fewer AEs than those with psychogenic nonepileptic seizures (PNES).
  • The findings highlight the significant connection between patient-reported AEs and psychiatric conditions, emphasizing the need for tailored management strategies in epilepsy treatment
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Purpose: Prompt access to specialist assessment is critical after a first suspected seizure. We aimed to test the feasibility of providing this service via telehealth, compared with usual care (face-to-face appointment) in patients referred to a first seizure clinic.

Method: This feasibility study was a prospective mixed-methods non-randomised controlled design in a single centre.

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Purpose: Long waitlists in outpatient clinics are a widely recognised problem. The purpose of this paper is to describe and report the impact of a waitlist reduction strategy for an epilepsy clinic.

Design/methodology/approach: This observational study described the local impact of a methodical approach to tackling a long waiting list, using targeted strategies supported by a modest additional budget.

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Objective: To test the hypothesis that individual antiepileptic drugs (AEDs) are not associated with cognitive impairment beyond other clinically relevant factors, we performed a cross-sectional study of patients admitted to an inpatient video-EEG monitoring unit.

Methods: We prospectively enrolled patients admitted to an inpatient specialist epilepsy program between 2009 and 2016. Assessments included objective cognitive function, quality of life subscales for subjective cognitive function, and questionnaires for anxiety and depressive symptoms.

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Background: Managing demand for services is a problem in many areas of healthcare, including specialist medical outpatient clinics. Some of these clinics have long waiting lists with variation in access for referred people. A model of triage and appointment allocation has been developed and tested that has reduced waiting times by about a third in community outpatient services.

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Objective: To evaluate quinidine as a precision therapy for severe epilepsy due to gain of function mutations in the potassium channel gene .

Methods: A single-center, inpatient, order-randomized, blinded, placebo-controlled, crossover trial of oral quinidine included 6 patients with severe autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE) due to mutation. Order was block randomized and blinded.

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Patients with recurrent focal motor seizures present a management dilemma, as anti-convulsants are often ineffective, and resective surgery poses a high risk of motor deficit. We describe three patients with recurrent focal motor seizures that remained refractory despite numerous anti-convulsant trials. All patients showed either hyperperfusion on Single-Photon Emission Computerised Tomography (SPECT) or hypermetabolism on Positron Emission Tomography (PET) in primary motor cortex during periods of sustained jerking, although EEG abnormalities were uncommon.

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Objective: Childhood absence epilepsy (CAE) is a childhood-onset generalized epilepsy. Recent fMRI studies have suggested that frontal cortex activity occurs before thalamic involvement in epileptic discharges suggesting that frontal cortex may play an important role in childhood absence seizures. Neurocognitive deficits can persist after resolution of the epilepsy.

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