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  1. Article: Health Services in Huntington Disease: A Systematic Literature Review.

    Mendizabal, Adys / Diaz, Jennifer M / Bustamante, Arturo V / Bordelon, Yvette

    Neurology. Clinical practice

    2023  Volume 13, Issue 1, Page(s) e200108

    Abstract: Purpose of review: Clinical trials for Huntington disease (HD) have primarily focused on managing chorea and, more recently, the development of disease-modifying therapies (DMTs). Nonetheless, understanding health services among patients with HD is ... ...

    Abstract Purpose of review: Clinical trials for Huntington disease (HD) have primarily focused on managing chorea and, more recently, the development of disease-modifying therapies (DMTs). Nonetheless, understanding health services among patients with HD is essential for assessing new therapeutics, development of quality metrics, and overall quality of life of patients and families with HD. Health services assess health care utilization patterns, outcomes, and health care-associated costs, which can help shape the development of therapeutics and aid in policies that affect patients with a specific condition. In this systematic literature review, we analyze data of published studies looking at causes of hospitalization, outcomes, and health care costs in HD.
    Recent findings: The search yielded 8 articles published in the English language and comprising data from the United States, Australia, New Zealand, and Israel. The most common cause of hospitalization among patients with HD was dysphagia or dysphagia-related complications (e.g., aspiration pneumonia or malnutrition), followed by psychiatric or behavioral symptoms. Patients with HD had more prolonged hospitalizations than non-HD patients, and it was most prominent among those with advanced disease. Patients with HD were more likely to be discharged to a facility. A small percentage received inpatient palliative care consultation, and behavioral symptoms were a primary cause of discharge to another facility. Interventions such as gastrostomy tube placement had associated morbidity, and it was common among patients with HD with a diagnosis of dementia. Palliative care consultation and specialized nursing care were associated with more routine discharges and fewer hospitalizations. In terms of cost, patients with HD with private and public insurances had the highest expenditure with more advanced disease, and expenses were associated with hospitalization and medication costs.
    Summary: In addition to DMTs, HD clinical trial development should also consider the leading causes of hospitalization, morbidity, and mortality in patients with HD, including dysphagia and psychiatric disease. No research study, to our knowledge, has systematically reviewed health services research studies in HD. Evidence from health services research is needed to evaluate the efficacy of pharmacologic and supportive therapies. This type of research is also critical in understanding health care costs associated with the disease and to better advocate and shape policies that can benefit this patient population.
    Language English
    Publishing date 2023-01-11
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2645818-4
    ISSN 2163-0933 ; 2163-0402
    ISSN (online) 2163-0933
    ISSN 2163-0402
    DOI 10.1212/CPJ.0000000000200108
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Autoimmune and Paraneoplastic Chorea: A Review of the Literature.

    Kyle, Kevin / Bordelon, Yvette / Venna, Nagagopal / Linnoila, Jenny

    Frontiers in neurology

    2022  Volume 13, Page(s) 829076

    Abstract: Autoimmune chorea syndromes represent a vast array of paraneoplastic, parainfectious and idiopathic disorders. It is increasingly apparent that familiarity with these disorders is critically important, as they may be treatable or may be part of a ... ...

    Abstract Autoimmune chorea syndromes represent a vast array of paraneoplastic, parainfectious and idiopathic disorders. It is increasingly apparent that familiarity with these disorders is critically important, as they may be treatable or may be part of a syndrome requiring further work-up and monitoring. These disorders are mediated by an aberrant immunologic attack with resultant neuronal dysfunction, manifesting as chorea. These conditions are typically accompanied by other neurologic or systemic manifestations. In this review we outline the clinical features, epidemiologic factors, and delineate the specific antibodies associated with each of these autoimmune mediated disorders. We highlight up to date information regarding this heterogeneous group of disorders, including a discussion of parainfectious Sydenham's chorea; paraneoplastic syndromes associated with CRMP-5 (collapsin response mediated protein-5/CV2) and ANNA-1 (antineuronal nuclear antibody / Hu) antibodies, in addition to neuronal antibody-associated disorders including anti-NMDAR, LGI1 (leucine-rich glioma inactivated-1) and CASPR2 (contactin associated protein-2). We discuss the more recently described entities of IgLON5, which has evidence of both immunologic and degenerative pathophysiology, in addition to PDE-10A antibody-associated chorea. We also outline chorea secondary to systemic diseases including Systemic Lupus Erythematosus (SLE) and Primary Antiphospholipid Syndrome (PAPS). We provide a framework for diagnosis and treatment.
    Language English
    Publishing date 2022-03-18
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2564214-5
    ISSN 1664-2295
    ISSN 1664-2295
    DOI 10.3389/fneur.2022.829076
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Disparities in Huntington Disease Severity: Analysis Using the ENROLL-HD Dataset.

    Mendizabal, Adys / Singh, Alvin P / Perlman, Susan / Brown, Arleen / Bordelon, Yvette

    Neurology. Clinical practice

    2023  Volume 13, Issue 6, Page(s) e200200

    Abstract: Background and objectives: Social and structural determinants of health (SDOH) have been associated with disability in neurologic diseases. However, the association between these factors and disability in Huntington disease (HD) has not been studied. ... ...

    Abstract Background and objectives: Social and structural determinants of health (SDOH) have been associated with disability in neurologic diseases. However, the association between these factors and disability in Huntington disease (HD) has not been studied. This study aimed to evaluate the association of racial and sociodemographic factors with disease severity in patients with HD in North America.
    Methods: We conducted a cross-sectional study of genetically confirmed participants with HD (36+ CAG repeats) in the North American region using the ENROLL-HD 2020 periodic dataset. In this analysis, our exposure variable was the participant's race/ethnicity. The main outcome measure was disease severity, as measured by the Total Functional Capacity Score (TFC), which measures the level of disability of patients with HD. We used multivariate regression models to adjust for sociodemographic factors that may mediate or moderate a causal effect between race/ethnicity and disease severity.
    Results: Among 4,717 gene-positive participants in the North American region, 89.5% identified as White, 3.4% as Hispanic or Latino, and 2.3% as African American/Black. The average TFC score was 10.22 (SD 3.22); 48% of participants completed either secondary education (including college) or a professional degree, and 55% lived in a city and not in a town, village, or rural location. In multivariate regression models, we found that Black participants and those with less than a high school degree entered the ENROLL-HD study with lower TFC scores than White participants. We also found that compared with those with at least a high school degree, those who completed some form of higher education or professional degree had higher TFC scores (
    Discussion: Our study found that Black participants in North America presented to ENROLL-HD with more advanced disease than White patients. We also found that higher education was associated with less advanced disease when entering the ENROLL-HD study. The role of race/ethnicity and education in HD symptom severity warrants further investigation. These findings underscore the importance of further studying the role of social and structural determinants of health in patients with HD, particularly those from historically marginalized communities.
    Language English
    Publishing date 2023-10-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2645818-4
    ISSN 2163-0933 ; 2163-0402
    ISSN (online) 2163-0933
    ISSN 2163-0402
    DOI 10.1212/CPJ.0000000000200200
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Clinical neurogenetics: huntington disease.

    Bordelon, Yvette M

    Neurologic clinics

    2013  Volume 31, Issue 4, Page(s) 1085–1094

    Abstract: Huntington disease (HD) is an autosomal dominant, adult-onset, progressive neurodegenerative disease characterized by the triad of abnormal movements (typically chorea), cognitive impairment, and psychiatric problems. It is caused by an expanded CAG ... ...

    Abstract Huntington disease (HD) is an autosomal dominant, adult-onset, progressive neurodegenerative disease characterized by the triad of abnormal movements (typically chorea), cognitive impairment, and psychiatric problems. It is caused by an expanded CAG repeat in the gene encoding the protein huntingtin on chromosome 4 and causes progressive atrophy of the striatum as well as cortical and other extrastriatal structures. Genetic testing has been available since 1993 to confirm diagnosis in affected adults and for presymptomatic testing in at-risk individuals. This review covers HD signs, symptoms, and pathophysiology; current genetic testing issues; and current and future treatment strategies.
    MeSH term(s) Genetic Testing ; Humans ; Huntington Disease/diagnosis ; Huntington Disease/genetics ; Huntington Disease/pathology ; Huntington Disease/therapy
    Language English
    Publishing date 2013-11
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 1013148-6
    ISSN 1557-9875 ; 0733-8619
    ISSN (online) 1557-9875
    ISSN 0733-8619
    DOI 10.1016/j.ncl.2013.05.004
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Adult onset POLR3A leukodystrophy presenting with parkinsonism treated with pallidal deep brain stimulation.

    Kyle, Kevin / Mason, Xenos / Bordelon, Yvette / Pouratian, Nader / Bronstein, Jeff

    Parkinsonism & related disorders

    2021  Volume 85, Page(s) 23–25

    MeSH term(s) Age of Onset ; Deep Brain Stimulation ; Female ; Globus Pallidus ; Hereditary Central Nervous System Demyelinating Diseases/complications ; Hereditary Central Nervous System Demyelinating Diseases/diagnosis ; Hereditary Central Nervous System Demyelinating Diseases/genetics ; Hereditary Central Nervous System Demyelinating Diseases/therapy ; Humans ; Middle Aged ; Parkinsonian Disorders/diagnosis ; Parkinsonian Disorders/etiology ; Parkinsonian Disorders/genetics ; Parkinsonian Disorders/therapy ; RNA Polymerase III/genetics
    Chemical Substances POLR3A protein, human (EC 2.7.7.6) ; RNA Polymerase III (EC 2.7.7.6)
    Language English
    Publishing date 2021-02-23
    Publishing country England
    Document type Case Reports ; Letter
    ZDB-ID 1311489-x
    ISSN 1873-5126 ; 1353-8020
    ISSN (online) 1873-5126
    ISSN 1353-8020
    DOI 10.1016/j.parkreldis.2021.02.018
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Vim-Thalamic Deep Brain Stimulation for Cervical Dystonia and Upper-Limb Tremor: Quantification by Markerless-3D Kinematics and Accelerometry.

    Mason, Xenos L / Cross, Katy A / Arac, Ahmet / Bordelon, Yvette / Wu, Allan D

    Tremor and other hyperkinetic movements (New York, N.Y.)

    2022  Volume 12, Page(s) 5

    Abstract: Background: Deep Brain Stimulation (DBS) for dystonia is usually targeted to the globus pallidus internus (GPi), though stimulation of the ventral-intermediate nucleus of the thalamus (Vim) can be an effective treatment for phasic components of dystonia ...

    Abstract Background: Deep Brain Stimulation (DBS) for dystonia is usually targeted to the globus pallidus internus (GPi), though stimulation of the ventral-intermediate nucleus of the thalamus (Vim) can be an effective treatment for phasic components of dystonia including tremor. We report on a patient who developed a syndrome of bilateral upper limb postural and action tremor and progressive cervical dystonia with both phasic and tonic components which were responsive to Vim DBS. We characterize and quantify this effect using markerless-3D-kinematics combined with accelerometry.
    Methods: Stereo videography was used to record our subject in 3D. The DeepBehavior toolbox was applied to obtain timeseries of joint position for kinematic analysis [1]. Accelerometry was performed simultaneously for comparison with prior literature.
    Results: Bilateral Vim DBS improved both dystonic tremor magnitude and tonic posturing. DBS of the hemisphere contralateral to the direction of dystonic head rotation (left Vim) had greater efficacy. Assessment of tremor magnitude by 3D-kinematics was concordant with accelerometry and was able to quantify tonic dystonic posturing.
    Discussion: In this case, Vim DBS treated both cervical dystonic tremor and dystonic posturing. Markerless-3D-kinematics should be further studied as a method of quantifying and characterizing tremor and dystonia.
    MeSH term(s) Accelerometry ; Biomechanical Phenomena ; Deep Brain Stimulation/methods ; Dystonic Disorders/therapy ; Humans ; Thalamus ; Torticollis/therapy ; Tremor/therapy ; Ventral Thalamic Nuclei/physiology
    Language English
    Publishing date 2022-03-10
    Publishing country England
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ZDB-ID 2674453-3
    ISSN 2160-8288 ; 2160-8288
    ISSN (online) 2160-8288
    ISSN 2160-8288
    DOI 10.5334/tohm.673
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Parkinsonism.

    Keener, Adrienne M / Bordelon, Yvette M

    Seminars in neurology

    2016  Volume 36, Issue 4, Page(s) 330–334

    Abstract: Parkinsonism is a clinical syndrome, which is characterized by bradykinesia, rigidity, rest tremor, and postural instability. Idiopathic Parkinson disease (PD) is the most common cause of this syndrome, though there are several other important etiologies ...

    Abstract Parkinsonism is a clinical syndrome, which is characterized by bradykinesia, rigidity, rest tremor, and postural instability. Idiopathic Parkinson disease (PD) is the most common cause of this syndrome, though there are several other important etiologies that must be considered. These include the atypical Parkinsonian disorders multiple system atrophy (MSA), dementia with Lewy Bodies (DLB), progressive supranuclear palsy (PSP), and corticobasal syndrome (CBS); as well as secondary causes of parkinsonism. These various disease entities may be distinguished based on key clinical features, which is critical for the purposes of diagnosis, treatment, and prognosis.
    MeSH term(s) Humans ; Lewy Body Disease ; Multiple System Atrophy ; Parkinson Disease ; Parkinsonian Disorders/diagnosis ; Parkinsonian Disorders/etiology ; Parkinsonian Disorders/therapy ; Supranuclear Palsy, Progressive
    Language English
    Publishing date 2016-09-19
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 603165-1
    ISSN 1098-9021 ; 0271-8235
    ISSN (online) 1098-9021
    ISSN 0271-8235
    DOI 10.1055/s-0036-1585097
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Using Intensity Modulated Radiation Therapy for the Treatment of Sialorrhea in Amyotrophic Lateral Sclerosis.

    Ati, Shomik / Chhetri, Dinesh / Wiedau, Martina / Soltanzadeh, Payam / Bordelon, Yvette / Chin, Robert K / Savjani, Ricky R

    Advances in radiation oncology

    2022  Volume 8, Issue 1, Page(s) 101116

    Language English
    Publishing date 2022-10-23
    Publishing country United States
    Document type Case Reports
    ISSN 2452-1094
    ISSN 2452-1094
    DOI 10.1016/j.adro.2022.101116
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Dementia with Lewy bodies.

    Mayo, Mary Catherine / Bordelon, Yvette

    Seminars in neurology

    2014  Volume 34, Issue 2, Page(s) 182–188

    Abstract: Dementia with Lewy bodies (DLB) is the second most common diagnosis of dementia after Alzheimer disease (AD). The essential pathologic feature is the Lewy body, a neuronal inclusion containing α-synuclein, found in brainstem nuclei and the neocortex. ... ...

    Abstract Dementia with Lewy bodies (DLB) is the second most common diagnosis of dementia after Alzheimer disease (AD). The essential pathologic feature is the Lewy body, a neuronal inclusion containing α-synuclein, found in brainstem nuclei and the neocortex. Clinical features include early fluctuations in attention, hallucinations, and parkinsonism, with progression to a combined cortical and subcortical dementia. To distinguish it from Parkinson disease dementia, a time course of one year from cognitive changes to motor feature onset has been established. There is more severe impairment of verbal fluency, executive function, and visuospatial abilities in DLB patients. Both rapid eye movement sleep behavior disorder and neuroleptic sensitivity are notable in this patient group. Treatment is aimed at symptom management. Cholinesterase inhibitors can be beneficial for behavioral and cognitive issues, whereas dopaminergic agents may help motor symptoms. Survival is equivalent to AD when measured from symptom onset, though diagnosis in DLB may be delayed.
    MeSH term(s) Diagnosis, Differential ; Disease Progression ; Humans ; Lewy Bodies/pathology ; Lewy Body Disease/diagnosis ; Lewy Body Disease/pathology ; Parkinson Disease/diagnosis ; Parkinson Disease/pathology
    Language English
    Publishing date 2014-04
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 603165-1
    ISSN 1098-9021 ; 0271-8235
    ISSN (online) 1098-9021
    ISSN 0271-8235
    DOI 10.1055/s-0034-1381741
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Atypical parkinsonian disorders. Preface.

    Bordelon, Yvette / Portera-Cailliau, Carlos

    Seminars in neurology

    2014  Volume 34, Issue 2, Page(s) 119–120

    MeSH term(s) Humans ; Parkinsonian Disorders/diagnosis ; Parkinsonian Disorders/physiopathology ; Parkinsonian Disorders/therapy
    Language English
    Publishing date 2014-04
    Publishing country United States
    Document type Editorial ; Introductory Journal Article
    ZDB-ID 603165-1
    ISSN 1098-9021 ; 0271-8235
    ISSN (online) 1098-9021
    ISSN 0271-8235
    DOI 10.1055/s-0034-1381731
    Database MEDical Literature Analysis and Retrieval System OnLINE

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