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Abstract
OBJECTIVE This study aims to systematically review evidence of the accuracy of the Montreal Cognitive Assessment (MoCA) for evaluating the presence of cognitive impairment in patients with Huntington's disease (HD) and to outline the quality and quantity of research evidence available about the use of the MoCA in this population. METHODS We conducted a systematic literature review, searching four databases from inception until April 2020. RESULTS We identified 26 studies that met the inclusion criteria: two case-control studies comparing the MoCA to a battery of tests, three studies comparing MoCA to Mini-Mental State Examination, two studies estimating the prevalence of cognitive impairment in individuals with HD and 19 studies or clinical trials in which the MoCA was used as an instrument for the cognitive assessment of participants with HD. We found no cross-sectional studies in which participants received the index test (MoCA) and a reference standard diagnostic assessment composed of an extensive neuropsychological battery. The publication period ranged from 2010 to 2020. CONCLUSIONS In patients with HD, the MoCA provides information about disturbances in general cognitive function. Even if the MoCA demonstrated good sensitivity and specificity when used at the recommended threshold score of 26, further cross-sectional studies are required to examine the optimum cutoff score for detecting cognitive impairments in patients with HD. Moreover, more studies are necessary to determine whether the MoCA adequately assesses cognitive status in individuals with HD.
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Kalkers K, Schols JMGA, van Zwet EW, Roos RAC. Dysphagia, Fear of Choking and Preventive Measures in Patients with Huntington's Disease: The Perspectives of Patients and Caregivers in Long-Term Care. J Nutr Health Aging 2022; 26:332-338. [PMID: 35450988 DOI: 10.1007/s12603-022-1743-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To explore the prevalence of dysphagia and fear of choking in patients with Huntington's disease (HD) as well as preventive measures, both those applied and those not included in managing dysphagia. Also, to investigate related problems encountered by their formal and informal caregivers. DESIGN A multi-center observational cross-sectional study. SETTING AND PARTICIPANTS 158 HD patients, recruited from six Dutch nursing homes specialized in HD, and their formal and informal caregivers. MEASUREMENTS Patients were assessed by means of questionnaires enquiring about dysphagia, fear of choking and measures to manage dysphagia. Also, questionnaires were administered about awareness of dysphagia symptoms, cognition and anxiety. Because we expected individuals with greater care dependency to have a higher severity of dysphagia, we distinguished between a care-independent and a care-dependent group of HD patients. RESULTS In the total group, 90.5% of HD patients had one or more dysphagia symptoms. The prevalence of FoC in HD patients and the formal and informal caregivers' fears about choking in HD patients was 45.7%, 19.0% and 59.5%, respectively, for care-independent patients and 58.7%, 50.1% and 77.5% for care-dependent patients. The score on the Huntington's Disease Dysphagia Scale was a predictor for fear of FoC in care-independent patients. Speech-language therapy, supervision during eating and drinking and adaptation of food and drink consistency were the most frequently applied measures to manage dysphagia, a combination was used in most HD patients. CONCLUSIONS In HD patients, the prevalence of dysphagia is high and fear of choking is common among both patients and caregivers. A more severe degree of dysphagia is a predictor of FoC in care-independent HD patients. A combination of measures was used to manage dysphagia in most HD patients.
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Affiliation(s)
- K Kalkers
- K. Kalkers, MSc, Mijzo, Department of Psychology, Kloosterweg 1, 4941EG, Raamsdonksveer, The Netherlands. Tel- +31653198462, E-mail
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Munhoz L, Jabbar AQ, Silva Filho WJE, Nagai AY, Arita ES. The oral manifestations of Huntington's disease: A systematic review of prevalence. Oral Dis 2021; 29:62-74. [PMID: 34773332 DOI: 10.1111/odi.14076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The objective of this systematic literature review was to provide a complete panorama of the oral manifestations of Huntington's disease (HD). MATERIALS AND METHODS Databases were searched, and original research studies or case report manuscripts up to May 2021 were included using keywords that describe HD combined with words related to oral health; MeSH terms were used exclusively. No time or language restrictions were applied. RESULTS Twenty-two investigations (12 original articles and 10 case reports) regarding oral manifestations of HD were included. The subjects examined in the selected research articles were dental health, coordination of oral structures, speech, dysphagia, and swallowing alterations. The case reports described dental treatment procedures, oromandibular dyskinesia, dysphagia, and speech alterations. CONCLUSIONS The oral manifestations of HD were found to be associated with the advance of the disease in that the more severe the HD, the worse the alterations affecting the oral cavity. Dysphagia, dysarthria, masticatory problems, oral health impairment, and choreiform movements involving the tongue and other orofacial muscles were the main manifestations of HD in the oral cavity. The PROSPERO systematic review registration number of this study is CRD42021238934.
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Affiliation(s)
- Luciana Munhoz
- Department of Stomatology, School of Dentistry, São Paulo University, São Paulo, Brazil.,Brazilian Huntington Association (Associação Brasil Huntington -ABH), São Paulo, Brazil
| | | | | | - Aline Yukari Nagai
- Department of Stomatology, School of Dentistry, São Paulo University, São Paulo, Brazil
| | - Emiko Saito Arita
- Department of Stomatology, School of Dentistry, São Paulo University, São Paulo, Brazil
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Carlozzi NE, Boileau NR, Roberts A, Dayalu P, Hanifan DL, Miner JA, Claassen D, Provost EM. Understanding speech and swallowing difficulties in individuals with Huntington disease: Validation of the HDQLIFE Speech Difficulties and Swallowing Difficulties Item Banks. Qual Life Res 2021; 30:251-265. [PMID: 32839864 PMCID: PMC7854808 DOI: 10.1007/s11136-020-02608-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2020] [Indexed: 12/26/2022]
Abstract
PURPOSE As Huntington disease (HD) progresses, speech and swallowing difficulties become more profound. These difficulties have an adverse effect on health-related quality of life (HRQOL), thus psychometrically robust measures of speech and swallowing are needed to better understand the impact of these domains across the course of the disease. Therefore, the purpose of this study is to establish the clinical utility of two new patient-reported outcome measures (PROs), HDQLIFE Speech Difficulties and HDQLIFE Swallowing Difficulties. METHODS Thirty-one participants with premanifest or manifest HD, and 31 age- and sex-matched healthy control participants were recruited for this study. Participants completed several PROs [HDQLIFE Speech Difficulties, HDQLIFE Swallowing Difficulties, Communication Participation Item Bank (CPIB)], as well as several clinician-rated assessments of speech and functioning. A computational algorithm designed to detect features of spoken discourse was also examined. Analyses were focused on establishing the reliability and validity of these new measures. RESULTS Internal consistency was good for Swallowing (Cronbach's alpha = 0.89) and excellent for Speech and the CPIB (both Cronbach's alpha ≥ 0.94), and convergent/discriminant validity was supported. Known groups validity for the PROs was supported by significant group differences among control participants and persons with different stages of HD (all p < 0.0001). All PROs were able to distinguish those with and without clinician-rated dysarthria (likelihood ratios far exceeded the threshold for clinical decision making [all ≥ 3.28]). CONCLUSIONS Findings support the clinical utility of the HDQLIFE Speech and Swallowing PROs and the CPIB for use across the HD disease spectrum. These PROs also have the potential to be clinically useful in other populations.
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Affiliation(s)
- Noelle E Carlozzi
- Department of Physical Medicine and Rehabilitation, University of Michigan, North Campus Research Complex, 2800 Plymouth Road, Building NCRC B14, Room G216, Ann Arbor, MI, 48109-2800, USA.
| | - Nicholas R Boileau
- Department of Physical Medicine and Rehabilitation, University of Michigan, North Campus Research Complex, 2800 Plymouth Road, Building NCRC B14, Room G216, Ann Arbor, MI, 48109-2800, USA
| | - Angela Roberts
- Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Praveen Dayalu
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
| | - Dana L Hanifan
- Department of Speech-Language Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Jennifer A Miner
- Department of Physical Medicine and Rehabilitation, University of Michigan, North Campus Research Complex, 2800 Plymouth Road, Building NCRC B14, Room G216, Ann Arbor, MI, 48109-2800, USA
| | - Daniel Claassen
- Department of Neurology, Vanderbilt University, Nashville, TN, USA
| | - Emily Mower Provost
- Department of Computer Science and Engineering, University of Michigan, Ann Arbor, MI, USA
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Fiberoptic endoscopic evaluation of swallowing in early-to-advanced stage Huntington's disease. Sci Rep 2020; 10:15242. [PMID: 32943712 PMCID: PMC7499207 DOI: 10.1038/s41598-020-72250-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/27/2020] [Indexed: 12/05/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disorder characterized by motor disturbances, cognitive decline, and behaviour changes. A well-recognized feature of advanced HD is dysphagia, which leads to malnutrition and aspiration pneumonia, the latter being the primary cause of death in HD. Previous studies have underscored the importance of dysphagia in HD patients with moderate-to-advanced stage disease, but it is unclear whether dysphagia affects patients already at an early stage of disease and whether genetic or clinical factors can predict its severity. We performed fiberoptic endoscopic evaluation of swallowing (FEES) in 61 patients with various stages of HD. Dysphagia was found in 35% of early-stage, 94% of moderate-stage, and 100% of advanced-stage HD. Silent aspiration was found in 7.7% of early-stage, 11.8% of moderate-stage, and 27.8% of advanced-stage HD. A strong correlation was observed between disease progression and dysphagia severity: worse dysphagia was associated with worsening of motor symptoms. Dysphagia severity as assessed by FEES correlated with Huntington’s Disease Dysphagia Scale scores (a self-report questionnaire specific for evaluating swallowing in HD). The present findings add to our understanding of dysphagia onset and progression in HD. A better understanding of dysphagia onset and progression in HD may inform guidelines for standard clinical care in dysphagia, its recognition, and management.
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Satoh Y, Tsuji K. Suppressive effect of the swallowing reflex by stimulation of the pedunculopontine tegmental nucleus. Neurosci Res 2020; 169:40-47. [PMID: 32649975 DOI: 10.1016/j.neures.2020.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022]
Abstract
This study investigates whether the swallowing reflex is modulated by stimulation of the pedunculopontine tegmental nucleus (PTg). Sprague-Dawley rats under urethane anesthesia were used. The swallowing reflex was induced by electrical stimulation of the superior laryngeal nerve and was identified by the electromyographic activities from the mylohyoid muscle. The number of swallows was reduced by electrical stimulation of the PTg. The latency of the onset of the first swallow was increased during stimulation of the PTg. The duration of electromyogram bursts of the mylohyoid muscle was significantly shorter during the PTg stimulation than with no stimulation. The number of swallows was reduced, latency of onset of the first swallow increased, the duration of electromyogram bursts of the mylohyoid muscle was significantly shorter and the peak-to-peak amplitude of electromyogram bursts of the mylohyoid muscle was significantly suppressed after microinjection of glutamate into the PTg. These results suggest that the PTg is involved in the control of swallowing.
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Affiliation(s)
- Yoshihide Satoh
- Department of Physiology, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan.
| | - Kojun Tsuji
- Department of Physiology, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan
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Tye CB, Gardner PA, Dion GR, Simpson CB, Dominguez LM. Impact of Fiberoptic Endoscopic Evaluation of Swallowing Outcomes and Dysphagia Management in Neurodegenerative Diseases. Laryngoscope 2020; 131:726-730. [PMID: 32542698 DOI: 10.1002/lary.28791] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/29/2020] [Accepted: 05/13/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVES/HYPOTHESIS To determine the incidence of abnormal fiberoptic endoscopic evaluation of swallowing (FEES) findings in patients with progressive neurologic disorders and identify the most commonly implemented dysphagia management strategies. STUDY DESIGN Retrospective Review. METHODS A retrospective review was performed of patients with neurodegenerative disease who underwent FEES at a tertiary-care center between 2008 and 2019. Patient demographics, diagnosis, and Eating Assessment Tool-10 (EAT-10) scores were recorded. Rates of penetration, aspiration, and functional change in management (FCIM) to include dietary modifications, home exercises, swallow therapy, surgical intervention (injection augmentation or esophageal dilation), or alternative means of nutrition (i.e., percutaneous enteral gastrostomy [PEG] tube) were calculated. RESULTS Two hundred nine FEES assessments were performed in 178 patients with a mean age of 64.8 years (standard deviation = ±14). The most common diagnoses were amyotrophic lateral sclerosis (32%) followed by Parkinson's disease or Parkinsonism (26%). FEES demonstrated penetration in 72.5% of patients and aspiration in 14.6%. Mean EAT-10 scores differed between patients with aspiration versus penetration versus normal FEES (24.7 vs. 14.9 vs. 13.9, respectively, P < .001). An FCIM was recommended in 88% of patients and most commonly included self-directed modifications (43%). Overall, 4.5% of patients underwent surgical intervention. A PEG tube was recommended for either supplemental or sole form of nutrition in 19% of the entire cohort. CONCLUSIONS Most patients with neurodegenerative diseases presenting with dysphagia demonstrated abnormal FEES findings necessitating an FCIM, suggesting early dysphagia evaluation may be warranted in this cohort. These findings correlate with worsened EAT-10 scores in patients with aspiration or penetration on FEES. LEVEL OF EVIDENCE 4 Laryngoscope, 131:726-730, 2021.
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Affiliation(s)
- Cooper B Tye
- Long School of Medicine, University of Texas Health San Antonio, San Antonio, Texas, U.S.A
| | - Philip A Gardner
- Department of Otolaryngology, University of Texas Health Science Center San Antonio, San Antonio, Texas, U.S.A
| | - Gregory R Dion
- Dental and Craniofacial Trauma Research Department, U.S. Army Institute of Surgical Research, Joint Base San Antonio Fort Sam Houston, San Antonio, Texas, U.S.A
| | - C Blake Simpson
- Department of Otolaryngology, University of Alabama at Birmingham Medical Center, Birmingham, Alabama, U.S.A
| | - Laura M Dominguez
- Department of Otolaryngology, University of Texas Health Science Center San Antonio, San Antonio, Texas, U.S.A
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Burnip E, Wallace E, Gozdzikowska K, Huckabee ML. A Systematic Review of Rehabilitation for Corticobulbar Symptoms in Adults with Huntington's Disease. J Huntingtons Dis 2019; 9:1-12. [PMID: 31744013 PMCID: PMC7081106 DOI: 10.3233/jhd-190384] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background: Corticobulbar symptoms have been reported in all stages of Huntington’s disease (HD); aspiration pneumonia associated with swallowing impairment has been identified as the most common cause of death. Whilst recent research has described positive effects of corticobulbar rehabilitation in other neurodegenerative conditions, it is unclear if this is similarly effective in HD. Preliminary evidence in corticospinal rehabilitation has revealed physical therapy and exercise could be beneficial for individuals with HD. Objective: This systematic review will explore the literature relative to rehabilitation of corticobulbar symptoms in adults with HD. Methods: Two investigators independently searched relevant electronic databases for literature related to corticobulbar rehabilitation in HD, published in English until October 2019. Included studies were critically appraised using the Oxford Centre for Evidence-based Medicine Levels of Evidence, Cochrane Risk of Bias Tool and Scottish Intercollegiate Guidelines Network checklists. Study outcomes included measurements of function, quality of life or neuromuscular physiology. Results: Seventy-seven publications were screened with eight studies meeting the inclusion criteria – two randomised control trials and six intervention studies. Validated and objective outcome measures of corticobulbar symptoms were infrequently used. There was a high risk of bias identified in 7/8 studies. The data suggested positive clinical outcomes, no adverse effects and no deterioration observed across longitudinal studies. Conclusions: This systematic review documented a lack of high-quality evidence to support the use of rehabilitation to treat corticobulbar symptoms in HD. However, the suggestion of potential positive effects based on available, albeit limited, studies provides justification for further research in this area.
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Affiliation(s)
- Emma Burnip
- Rose Centre for Stroke Recovery and Research, School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
| | - Emma Wallace
- Rose Centre for Stroke Recovery and Research, School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
| | - Kristin Gozdzikowska
- Rose Centre for Stroke Recovery and Research, School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand.,Laura Fergusson Trust, Christchurch, New Zealand
| | - Maggie-Lee Huckabee
- Rose Centre for Stroke Recovery and Research, School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
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Hartlage-Rübsamen M, Ratz V, Zeitschel U, Finzel L, Machner L, Köppen J, Schulze A, Demuth HU, von Hörsten S, Höfling C, Roßner S. Endogenous mouse huntingtin is highly abundant in cranial nerve nuclei, co-aggregates to Abeta plaques and is induced in reactive astrocytes in a transgenic mouse model of Alzheimer's disease. Acta Neuropathol Commun 2019; 7:79. [PMID: 31109380 PMCID: PMC6526682 DOI: 10.1186/s40478-019-0726-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 04/17/2019] [Indexed: 12/11/2022] Open
Abstract
Pathogenic variants of the huntingtin (HTT) protein and their aggregation have been investigated in great detail in brains of Huntington’s disease patients and HTT-transgenic animals. However, little is known about the physiological brain region- and cell type-specific HTT expression pattern in wild type mice and a potential recruitment of endogenous HTT to other pathogenic protein aggregates such as amyloid plaques in cross seeding events. Employing a monoclonal anti-HTT antibody directed against the HTT mid-region and using brain tissue of three different mouse strains, we detected prominent immunoreactivity in a number of brain areas, particularly in cholinergic cranial nerve nuclei, while ubiquitous neuronal staining appeared faint. The region-specific distribution of endogenous HTT was found to be comparable in wild type rat and hamster brain. In human amyloid precursor protein transgenic Tg2576 mice with amyloid plaque pathology, similar neuronal HTT expression patterns and a distinct association of HTT with Abeta plaques were revealed by immunohistochemical double labelling. Additionally, the localization of HTT in reactive astrocytes was demonstrated for the first time in a transgenic Alzheimer’s disease animal model. Both, plaque association of HTT and occurrence in astrocytes appeared to be age-dependent. Astrocytic HTT gene and protein expression was confirmed in primary cultures by RT-qPCR and by immunocytochemistry. We provide the first detailed analysis of physiological HTT expression in rodent brain and, under pathological conditions, demonstrate HTT aggregation in proximity to Abeta plaques and Abeta-induced astrocytic expression of endogenous HTT in Tg2576 mice.
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