Publications by authors named "Yeshokumar A"

Objective: To evaluate sociodemographic and clinical factors associated with clinical outcomes in patients hospitalized with neuroinfectious diseases at three tertiary care centers in New York City.

Methods: This retrospective cohort study was conducted at three large urban tertiary care centers between January 1, 2010 and December 31, 2017. Poor clinical outcome was defined as length of hospital stay (LOS) ≥2 weeks and/or discharge to a location other than home.

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Article Synopsis
  • The study investigates the relationship between MRI lesions and clinical outcomes in children with anti-NMDA receptor encephalitis (pNMDARE).
  • A total of 175 children were examined, and it was found that those with abnormal T2-hyperintense lesions, especially in the frontal and occipital lobes, had worse outcomes after one year.
  • Although the initial association between MRI features and poor outcomes weakened after certain adjustments, further analysis indicated that specific brain lesions could still serve as potential predictors for prognosis in future studies.
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Objective: To evaluate the sensitivity and specificity of current criteria for the diagnosis of autoimmune encephalitis (AE) and the temporal onset of neuropsychiatric symptoms (NP) in a pediatric encephalitis cohort.

Background: Multiple criteria for AE have been developed, including the Graus and pediatric-focused Cellucci consensus criteria, and the Determining Etiology in Encephalitis (DEE) score for patients with encephalitis. Early identification and treatment of AE is crucial to improve outcomes, but this can be difficult given the frequent overlap of clinical presentation between AE and infectious encephalitis (IE).

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Objectives: To explore the challenges in diagnosing acute flaccid myelitis (AFM) and evaluate clinical features and treatment paradigms associated with under recognition.

Study Design: This was a retrospective multicenter study of pediatric patients (≤18 years) who were diagnosed with AFM from 2014 to 2018 using the Centers for Disease Control and Prevention's case definition.

Results: In 72% of the cases (126 of 175), AFM was not considered in the initial differential diagnosis (n = 108; 61.

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Background And Objectives: Anti-NMDA receptor encephalitis (anti-NMDARE) is one of the most common causes of encephalitis. It typically presents in adolescence and young adulthood, but little is known about its potential long-term consequences across the lifespan. Adaptive behavior describes an individual's ability to respond and adapt to environmental demands and unanticipated changes in daily routines.

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Objectives: Early presentation and workup for acute infectious (IE) and autoimmune encephalitis (AE) are similar. This study aims to identify routine laboratory markers at presentation that are associated with IE or AE.

Methods: This was a multi-center retrospective study at three tertiary care hospitals in New York City analyzing demographic and clinical data from patients diagnosed with definitive encephalitis based on a confirmed pathogen and/or autoantibody and established criteria for clinical syndromes.

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Community-acquired bacterial meningitis (CABM) morbidity and mortality remains high in those infected. Rapid diagnosis and treatment is paramount to reducing mortality and improving outcome. This retrospective cohort study aims to assess the time from presentation to diagnosis and treatment of vaccine preventable CABM as well as identify possible factors associated with delays in diagnosis and antibiotic administration.

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Purpose: The aim of this study was to determine proportions of 30-day cardiac readmissions in adults with epilepsy compared to multiple sclerosis (MS) or those with neither condition. Predictors and causes of readmissions were also examined.

Methods: We used the 2014 Nationwide Readmissions Database and ICD-9-CM codes to identify people with epilepsy, MS, and without epilepsy or MS.

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Importance: Overall, immunotherapy has been shown to improve outcomes and reduce relapses in individuals with N-methyl-d-aspartate receptor (NMDAR) antibody encephalitis (NMDARE); however, the superiority of specific treatments and combinations remains unclear.

Objective: To map the use and safety of immunotherapies in individuals with NMDARE, identify early predictors of poor functional outcome and relapse, evaluate changes in immunotherapy use and disease outcome over the 14 years since first reports of NMDARE, and assess the Anti-NMDAR Encephalitis One-Year Functional Status (NEOS) score.

Data Sources: Systematic search in PubMed from inception to January 1, 2019.

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Background: While many patients with myelin oligodendrocyte glycoprotein antibody-mediated disease (MOG-AD) will have a monophasic course, 30-80% of patients will relapse after the initial attack. It is not known which factors predict relapse. Here we describe our clinical experience with MOG-AD and evaluate for factors that correlate with relapsing disease.

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Background And Objectives: To evaluate the impact of fatigue after autoimmune encephalitis, determine associations with patients' characteristics, and identify factors that contribute to its development.

Methods: In a first cohort recruited via several encephalitis support organizations, self-reported questionnaires were used to evaluate fatigue, depression, and sleep quality in adults after autoimmune encephalitis. In a second cohort where more in-depth clinical characterization could be performed, adults with encephalitis from 2 tertiary hospitals were evaluated using the same questionnaires.

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Objective: To create an international consensus treatment recommendation for pediatric NMDA receptor antibody encephalitis (NMDARE).

Methods: After selection of a panel of 27 experts with representation from all continents, a 2-step Delphi method was adopted to develop consensus on relevant treatment regimens and statements, along with key definitions in pediatric NMDARE (disease severity, failure to improve, and relapse). Finally, an online face-to-face meeting was held to reach consensus (defined as ≥75% agreement).

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Autoimmune neurology is a rapidly developing specialty driven by an increasing recognition of autoimmunity as the cause for a broad set of neurologic disorders and ongoing discovery of new neural autoantibodies associated with recognizable clinical syndromes. The diversity of clinical presentations, unique pathophysiology, and the complexity of available treatments requires a dedicated multidisciplinary team to diagnose and manage patients. In this article, we focus on antibody-associated autoimmune encephalitis (AE) to illustrate broader themes applicable to the specialty.

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Antibody-mediated encephalitis is a treatable cause of encephalitis that manifests over days to weeks as changes in behavior and cognition, seizures, movement disorders, and autonomic dysfunction. Patients with autoimmune encephalitis develop a variety of symptoms. As such, they require a multidisciplinary approach to care.

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Objective: This study aimed to evaluate the proportion of patients with seizures and electroencephalography (EEG) abnormalities in autoimmune encephalitis (AE) and its most common subtypes.

Methods: This systematic review followed Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) standards and was registered with the International Prospective Register of Systematic Reviews (PROSPERO). We searched Medline All, Embase, and PsychINFO in Ovid from inception to June 2019 for articles pertaining to AE and seizure.

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: We evaluated cognitive, emotional, and social function after encephalitis, as perceived and reported by individuals post-encephalitis and their relatives.: There will be differential effects on various domains as self-reported by individuals post-encephalitis. Outcomes will be worse than in prior studies of other forms of acute brain injury.

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Based on a multicenter cohort of people with anti-NMDA receptor encephalitis (anti-NMDARE), we describe seizure phenotypes, electroencephalographic (EEG) findings, and anti-seizure treatment strategies. We also investigated whether specific electrographic features are associated with persistent seizures or status epilepticus after acute presentation. In this retrospective cohort study, we reviewed records of children and adults with anti-NMDARE between 2010 and 2014 who were included in the Rare Epilepsy of New York City database, which included the text of physician notes from five academic medical centers.

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Background: We aimed to characterize the spectrum of clinical features and examination findings in pediatric-onset stiff person syndrome.

Methods: Medical records were reviewed for all patients treated for stiff person syndrome with symptom onset in childhood at a tertiary medical center between March 2001 and February 2019.

Results: Of the 15 individuals who met inclusion criteria, 11 (73%) were female and 13 (87%) were Caucasian.

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Background: Comorbidities can impose diagnostic and treatment challenges in patients with multiple sclerosis (MS). Sickle cell disease (SCD) and MS are both inflammatory diseases featuring immune system dysregulation, and the reciprocal interaction of these diseases deserves investigation.

Methods/results: We present the case of a 28-year-old woman with SCD who developed a sickle cell crisis and acute chest syndrome during corticosteroid treatment for a first MS attack.

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Purpose: The purpose of the study was to assess care transitions and caregiver burden among caregivers of individuals with anti-N-methyl-d-aspartate (NMDA) receptor encephalitis (anti-NMDARE).

Methods: Caregivers of individuals with anti-NMDARE were recruited via patient organization websites. Demographic and clinical information as well as responses to the Care Transition Measure 15 (CTM-15) and Zarit Burden Interview (ZBI) were collected.

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Purpose: The purpose of this study was to assess long-term psychosocial outcomes of anti-N-methyl-d-aspartate (NMDA) receptor encephalitis (anti-NMDARE).

Methods: Adolescents and adults with self-reported anti-NMDARE were invited to complete an online survey distributed by relevant patient organizations. Demographic and clinical information was collected, including the diagnoses initially given for anti-NMDARE symptoms and posthospital care received.

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Objective: Hospital readmissions result in increased health care costs and are associated with worse outcomes after neurosurgical intervention. Understanding factors associated with readmissions will inform future studies aimed at improving quality of care in those with epilepsy.

Methods: Patients of all ages with epilepsy who underwent a neurosurgical intervention were identified in the 2014 Nationwide Readmissions Database, a nationally representative dataset containing data from roughly 17 million US hospital discharges.

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Background: Persons with multiple sclerosis (MS) commonly report word-finding difficulty clinically, yet this language deficit remains underexplored.

Objective: To investigate the prevalence and nature of word-finding difficulty in persons with early MS on three levels: patient report, cognitive substrates, and neuroimaging.

Methods: Two samples of early MS patients ( = 185 and  = 55; ⩽5 years diagnosed) and healthy controls ( = 50) reported frequency/severity of cognitive deficits and underwent objective assessment with tasks of rapid automatized naming (RAN), measuring lexical access speed, memory, word generation, and cognitive efficiency.

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Article Synopsis
  • Enteroviruses are a common cause of meningoencephalitis in children, with a study analyzing cases from 2012 to 2017 revealing that the majority presented as meningitis, predominantly in summer and fall seasons.
  • The study involved reviewing medical records and found that 91.4% of cases were positive for enteroviruses in cerebrospinal fluid, highlighting the importance of testing both cerebrospinal fluid and respiratory samples for diagnosis.
  • Most patients received antibiotics, and many also received antiviral treatment, resulting in favorable outcomes, as indicated by Modified Rankin Scores upon discharge; this underscores the need for ongoing research to track epidemiological trends in enterovirus-related CNS infections.
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