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Mirmosayyeb O, Nabizadeh F, Moases Ghaffary E, Yazdan Panah M, Zivadinov R, Weinstock-Guttman B, Benedict RHB, Jakimovski D. Cognitive performance and magnetic resonance imaging in people with multiple sclerosis: A systematic review and meta-analysis. Mult Scler Relat Disord 2024; 88:105705. [PMID: 38885600 DOI: 10.1016/j.msard.2024.105705] [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] [Received: 12/18/2023] [Revised: 06/03/2024] [Accepted: 06/07/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Several studies have shown the different relationships between cognitive functions and structural magnetic resonance imaging (MRI) measurements in people with multiple sclerosis (pwMS). However, there is an ongoing debate regarding the magnitude of correlation between MRI measurements and specific cognitive function tests. This systematic review and meta-analysis aimed to synthesize the most consistent correlations between MRI measurements and cognitive function in pwMS. METHODS PubMed/MEDLINE, Embase, Scopus, and Web of Science databases were systematically searched up to February 2023, to find relevant data. The search utilized syntax and medical subject headings (MeSH) relevant to cognitive performance tests and MRI measurements in pwMS. The R software version 4.3.3 with random effect models was used to estimate the pooled effect sizes. RESULTS 13,559 studies were reviewed, of which 136 were included. The meta-analyses showed that thalamic volume had the most significant correlations with Symbol Digit Modalities Test (SDMT) r = 0.47 (95 % CI: 0.39 to 0.56, p < 0.001, I2 = 88 %), Brief Visual Memory Test-Revised-Total Recall (BVMT-TR) r = 0.51 (95 % CI: 0.36 to 0.66, p < 0.001, I2 = 81 %), California Verbal Learning Test-II-Total Recall (CVLT-TR) r = 0.47 (95 % CI: 0.34 to 0.59, p < 0.001, I2 = 69 %,), and Delis-Kaplan Executive Function System (DKEFS) r = 0.48 (95 % CI: 0.34 to 0.63, p < 0.001, I2 = 22 %,). CONCLUSION We conclude that thalamic volume exhibits highest relationships with information processing speed (IPS), visuospatial learning-memory, verbal learning-memory, and executive function in pwMS. A comprehensive understanding of the intricacies of the mechanisms underpinning this association requires additional research.
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Affiliation(s)
- Omid Mirmosayyeb
- Department of Neurology, Jacobs Comprehensive MS Treatment and Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Fardin Nabizadeh
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Elham Moases Ghaffary
- Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Yazdan Panah
- Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Robert Zivadinov
- Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States; Center for Biomedical Imaging at the Clinical Translational Science Institute, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Bianca Weinstock-Guttman
- Department of Neurology, Jacobs Comprehensive MS Treatment and Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Ralph H B Benedict
- Department of Neurology, Jacobs Comprehensive MS Treatment and Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Dejan Jakimovski
- Department of Neurology, Jacobs Comprehensive MS Treatment and Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States; Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States.
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Zhang J, Wu M, Li J, Song W, Lin X, Zhu L. Effects of virtual reality-based rehabilitation on cognitive function and mood in multiple sclerosis: A systematic review and meta-analysis of randomized controlled trials. Mult Scler Relat Disord 2024; 87:105643. [PMID: 38735202 DOI: 10.1016/j.msard.2024.105643] [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] [Received: 01/20/2024] [Revised: 03/16/2024] [Accepted: 04/24/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND Multiple sclerosis (MS) is a disabling neurological disease that causes cognitive impairment and mental problems that occur in all MS phenotypes but are most common in patients with secondary progressive MS. Various degrees of cognitive impairment and mental health concerns are common among patients with MS (PwMS). Virtual reality (VR)-based rehabilitation is an innovative approach aimed at enhancing cognitive function and mood in PwMS. This study aims to perform a meta-analysis to assess the effects of VR-based rehabilitation on cognitive function and mood in PwMS. METHODS Using PubMed, Embase, the Cochrane Library, Web of Science, and the Physiotherapy Evidence Database (PEDro), a thorough database search was performed to identify randomized controlled trials (RCTs) examining the effects of VR on PwMS. Trials published until October 31, 2023, that satisfied our predetermined inclusion and exclusion criteria were included. Data were extracted, literature was examined, and the methodological quality of the included trials was assessed. StataSE version 16 was used for the meta-analysis. RESULTS Our meta-analysis included 461 patients from 10 RCTs. PRIMARY OUTCOMES The Montreal Cognitive Assessment (MoCA) (weighted mean difference [WMD]=1.93, 95 % confidence interval [CI]=0.51-3.36, P = 0.008, I² = 75.4 %) the Spatial Recall Test (SPART) (WMD=3.57, 95 % CI=1.65-5.50, P < 0.001, I² = 0 %), immediate recall (standard mean difference [SMD]=0.37, 95 % CI=0.10-0.64, P = 0.007, I² = 0 %) and delayed recall ([SMD]=0.30, 95 % CI=0.06-0.54, P = 0.013, I² = 35.4 %) showed improvements in comparison to the control group in terms of global cognitive function immediate recall, delayed recall, and visuospatial abilities. SECONDARY OUTCOMES Compared to the control group, anxiety improved (standard mean difference [SMD]=0.36, 95 % CI=0.10-0.62, P = 0.007, I² = 43.1 %). However, there were no significant differences in processing speed, attention, working memory or depression. CONCLUSIONS This systematic review provides valuable evidence for improving cognitive function and mood in PwMS through VR-based rehabilitation. In the future, VR-based rehabilitation may be a potential method to treat cognitive function and emotional symptoms of MS. SYSTEMATIC REVIEW REGISTRATION PROSPERO; identifier: CRD42023474467.
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Affiliation(s)
- Jiongliang Zhang
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Minmin Wu
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Jinting Li
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Wenjing Song
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Xiaoguang Lin
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Luwen Zhu
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China.
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Reyes-Méndez C, Gómez-Bautista D, Yáñez-Téllez G, Rodríguez-Chávez E, Moreno-Villagómez J. Neuropsychological profile of a patient with multiple sclerosis and psychiatric symptoms that masked and delayed the diagnosis. A case report using teleneuropsychology. Clin Neuropsychol 2024:1-23. [PMID: 38914594 DOI: 10.1080/13854046.2024.2370963] [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: 02/18/2024] [Accepted: 06/18/2024] [Indexed: 06/26/2024]
Abstract
Objective: Multiple sclerosis (MS) may include not only severe neurological signs and symptoms, but also cognitive and psychiatric disturbances. When psychiatric symptoms precede or are comorbid with MS, it poses a clinical challenge, because it may lead to a mistaken diagnosis of MS as a psychiatric disorder, delaying proper treatment. We describe the neuropsychological profile of a female patient with MS whose diagnosis was delayed due to neuropsychiatric symptoms. Method: A comprehensive analysis of the medical history and the results of a teleneuropsychological assessment of a 36-year-old Mexican woman with a diagnosis of relapsing--remitting MS (RRMS) was performed. Results: The patient indicates a long history of psychotic, anxious, and depressive features years before the first neurological symptom that led to MS going unnoticed for several years. Language, attentional, perceptual, motor, and learning skills were found to be preserved. Short-term memory and spatial orientation problems were identified, with decreased processing speed and executive dysfunction, including working memory and planning deficits. Conclusions: The patient has a non-typical presentation of neuropsychological alterations with cognitive and behavioral symptoms that resemble dorsolateral frontal lobe syndrome. This case study highlights the importance of considering MS in differential diagnosis of patients with psychiatric symptoms, even in the absence of obvious neurological signs.
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Affiliation(s)
- Carolina Reyes-Méndez
- Clinical Neuropsychology Residency Program, Research and Postgraduate Division, Interdisciplinary Investigation Unit in Health and Education Sciences. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Mexico
| | - Denise Gómez-Bautista
- Clinical Neuropsychology Residency Program, Research and Postgraduate Division, Interdisciplinary Investigation Unit in Health and Education Sciences. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Mexico
| | - Guillermina Yáñez-Téllez
- Clinical Neuropsychology Residency Program, Research and Postgraduate Division, Interdisciplinary Investigation Unit in Health and Education Sciences. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Mexico
| | - Emmanuel Rodríguez-Chávez
- Neurology Department, Hospital de Especialidades Dr. Antonio Fraga Mouret, Centro Médico Nacional La Raza, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Julieta Moreno-Villagómez
- Clinical Neuropsychology Residency Program, Research and Postgraduate Division, Interdisciplinary Investigation Unit in Health and Education Sciences. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Mexico
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Valdivia-Tangarife ER, Morlett-Paredes A, Villaseñor-Cabrera T, Mireles-Ramírez MA, Cortés-Enríquez F, Macías-Islas MÁ. Validation of the Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) in individuals with multiple sclerosis from Mexico. Mult Scler Relat Disord 2024; 83:105451. [PMID: 38245997 DOI: 10.1016/j.msard.2024.105451] [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] [Received: 09/22/2023] [Revised: 12/04/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
BACKGROUND Cognitive impairment is observed in 43-70 % of Multiple sclerosis (MS) patients. One of the most widely used batteries for cognitive assessment in this population is the Brief International Cognitive Assessment for MS (BICAMS). The objective of this study was to validate and assess the reliability of the BICAMS in a Mexican population with MS and to obtain and provide regression-based norms. METHODS One hundred healthy controls (HCs) and 100 patients with multiple sclerosis participated in the present study, and groups were matched for age, years of education and sex. Subjects completed all three tests of the BICAMS. Test-retest measures were obtained from 30 patients to test reliability. RESULTS The sample´s average age was 43.39 ± 6.03 years old, and the average years of education was 12.55 ± 2.52 years. Approximately 63 % of the participants were female. The groups did not differ in age, years of education, or sex. The MS group performed significantly worse than the HCs group on all three neuropsychological tests. A significant difference was observed for the SDMT (t = 10.166; p=<0.001), CVLT-II (t = 10.949; p=<0.001), and BVMT-R (t = 2.636; p = 0.009). For all comparisons, the effect size (d) for each test was calculated as follows: SDMT= 0.58 and CVLT-II= 0.61. The test-retest coefficients for each test were as follows: SDMT: r = 0.95; CVLT-II: r = 0.84; and BVMT-R = 0.81. CONCLUSION The BICAMS can provide information on cognitive impairment in MS patients, and this information can be used by neuropsychologists for cognitive rehabilitation in different domains.
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Affiliation(s)
- Edgar R Valdivia-Tangarife
- Departamento de Neurociencias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 44340 Guadalajara, Jalisco, México
| | | | - Teresita Villaseñor-Cabrera
- Departamento de Neurociencias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 44340 Guadalajara, Jalisco, México; O.P.D Hospital Civil Fray Antonio Alcalde, Guadalajara, México
| | - Mario A Mireles-Ramírez
- Departamento de Neurología, Unidad de Alta Especialidad Médica, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social. Guadalajara, Jalisco, México
| | - Fernando Cortés-Enríquez
- Departamento de Neurología, Hospital General, No 14 del Instituto Mexicano del Seguro Social. Guadalajara, Jalisco, México
| | - Miguel Ángel Macías-Islas
- Departamento de Neurociencias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 44340 Guadalajara, Jalisco, México.
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Akaishi T, Fujimori J, Nakashima I. Basal Ganglia Atrophy and Impaired Cognitive Processing Speed in Multiple Sclerosis. Cureus 2024; 16:e52603. [PMID: 38374834 PMCID: PMC10875397 DOI: 10.7759/cureus.52603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2024] [Indexed: 02/21/2024] Open
Abstract
Impaired cognitive processing speed is among the important higher brain dysfunctions in multiple sclerosis (MS). However, the exact structural mechanisms of the dysfunction remain uncertain. This study aimed to identify the brain regions associated with the impaired cognitive processing speed in MS by comparing the cognitive processing speed, measured using the Cognitive Processing Speed Test (CogEval) z-score, and brain regional volumetric data. Altogether, 80 patients with MS (64 with relapsing-remitting MS [RRMS] and 16 with secondary progressive MS [SPMS]) were enrolled. Consequently, CogEval z-scores were worse in patients with SPMS than in those with RRMS (p=0.001). In the univariate correlation analyses, significant correlations with CogEval z-score were suggested in the MS lesion volume (p<0.001; Spearman's rank correlation test) and atrophies in the cerebral cortex (p=0.031), cerebral white matter (p=0.013), corpus callosum (p=0.001), thalamus (p=0.001), and putamen (p<0.001). Multiple linear regression analysis revealed that putamen atrophy was significantly associated with CogEval z-score (p=0.038) independent of volume in other brain regions, while thalamic atrophy was not (p=0.79). Univariate correlation analyses were further performed in each of RRMS and SPMS. None of the evaluated volumetric data indicated a significant correlation with the CogEval z-score in RRMS. Meanwhile, atrophies in the cerebral white matter (p=0.008), corpus callosum (p=0.002), putamen (p=0.011), and pallidum (p=0.017) demonstrated significant correlations with CogEval z-score in SPMS. In summary, the putamen could be an important region of atrophy contributing to the impaired cognitive speed in MS, especially in the later disease stages after a transition to SPMS.
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Affiliation(s)
- Tetsuya Akaishi
- Department of Education and Support for Regional Medicine, Tohoku University Hospital, Sendai, JPN
| | - Juichi Fujimori
- Department of Neurology, Tohoku Medical and Pharmaceutical University, Sendai, JPN
| | - Ichiro Nakashima
- Department of Neurology, Tohoku Medical and Pharmaceutical University, Sendai, JPN
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Al-Iedani O, Lea S, Alshehri A, Maltby VE, Saugbjerg B, Ramadan S, Lea R, Lechner-Scott J. Multi-modal neuroimaging signatures predict cognitive decline in multiple sclerosis: A 5-year longitudinal study. Mult Scler Relat Disord 2024; 81:105379. [PMID: 38103511 DOI: 10.1016/j.msard.2023.105379] [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] [Received: 07/11/2023] [Revised: 11/16/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
BACKGROUND Cognitive impairment is a hallmark of multiple sclerosis (MS) but is usually an under-recorded symptom of disease progression. Identifying the predictive signatures of cognitive decline in people with MS (pwMS) over time is important to ensure effective preventative treatment strategies. Structural and functional brain characteristics as measured by various magnetic resonance (MR) methods have been correlated with variation in cognitive function in MS, but typically these studies are limited to a single MR modality and/or are cross-sectional designs. Here we assess the predictive value of multiple different MR modalities in relation to cognitive decline in pwMS over 5 years. METHODS A cohort of 43 pwMS was assessed at baseline and 5 years follow-up. Baseline (input) data consisted of 70 multi-modal MRI measures for different brain regions including magnetic resonance spectroscopy (MRS), diffusion tensor imaging (DTI) and standard volumetrics. Age, sex, disease duration and treatment were included as clinical inputs. Cognitive function was assessed using the Audio Recorded Cognitive Screen (ARCS) and the Symbol Digit Modalities Test (SDMT). Prediction modelling was performed using the machine learning package - GLMnet, where a penalised regression was applied to identify multi-modal signatures with the most predictive value (and the least error) for each outcome. RESULTS The multi-modal approach to neuroimaging was able to accurately predict cognitive decline in pwMS. The best performing model for change in total ARCS (tARCS) included 16 features from across the various MR modalities and explained 54 % of the variation in change over time (R2=0.54, 95 % CI=0.48-0.51). The features included nine MRS, four volumetric and two DTI parameters. The model also selected disease duration, but not treatment, as a predictive feature. By comparison, the best model for SDMT included several of the same above features and explained 39 % of the change over time (R2=0.39, 95 % CI=0.48-0.51). Conventional volumetric measures were about half as good at predicting change in tARCS score compared to the best multi-modal model (R2=0.26 95 % CI:0.22-0.29). The clinical interpretation of the best predictive model for change in tARCS showed that cognitive decline could be predicted with >90 % accuracy in this cohort (AUC=0.92, SE=0.86 - 0.94). CONCLUSION Multi-modal MRI signatures can predict cognitive decline in a cohort of pwMS over 5 years with high accuracy. Future studies will benefit from the inclusion of even more MR modalities e.g., functional MRI, quantitative susceptibility mapping, magnetisation transfer imaging, as well as other potential predictors e.g., genetic and environmental factors. With further validation, this signature could be used in future trials with high-risk patients to personalise the management of cognitive decline in pwMS, even in the absence of relapses.
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Affiliation(s)
- Oun Al-Iedani
- School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia; Hunter Medical Research Institute, New Lambton Heights, Australia
| | - Stasson Lea
- Hunter Medical Research Institute, New Lambton Heights, Australia
| | - A Alshehri
- Hunter Medical Research Institute, New Lambton Heights, Australia; School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia; Department of Radiology, King Fahad University Hospital, Dammam, Saudi Arabia
| | - Vicki E Maltby
- Hunter Medical Research Institute, New Lambton Heights, Australia; Department of Neurology, John Hunter Hospital, New Lambton Heights, Australia; School of Medicine and Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia
| | - Bente Saugbjerg
- Hunter Medical Research Institute, New Lambton Heights, Australia; Department of Neurology, John Hunter Hospital, New Lambton Heights, Australia
| | - Saadallah Ramadan
- Hunter Medical Research Institute, New Lambton Heights, Australia; School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia
| | - Rodney Lea
- School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia; Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
| | - Jeannette Lechner-Scott
- Hunter Medical Research Institute, New Lambton Heights, Australia; Department of Neurology, John Hunter Hospital, New Lambton Heights, Australia; School of Medicine and Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, Australia.
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Borrelli S, Pereira Lima J, Dachy B. The relation between the symbol digit modalities test, fatigue, depression, and anxiety symptoms in a Belgian MS cohort. Acta Neurol Belg 2023; 123:2147-2153. [PMID: 36352198 DOI: 10.1007/s13760-022-02127-4] [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] [Received: 07/22/2022] [Accepted: 10/23/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Multiple sclerosis (MS) is associated with high prevalence of cognitive impairment, ranging from 40 to 80%. The purpose of this single-center retrospective study was to examine the relation between cognitive function, as measured by Symbol Digit Modalities Test (SDMT), with fatigue, anxiety, and depression symptoms in a Belgian cohort of patients with MS. METHODS Sociodemographic and clinical data were analyzed in 66 (F:40, M:26) Belgian patients with a diagnosis of MS. The cognitive function was assessed with the oral version of SDMT, depression and anxiety symptoms with the Hospital Anxiety and Depression scale (HAD), fatigue symptoms with the French valid version of the Fatigue Impact Scale in MS (EMIF-SEP), which is a scale composed of four dimensions (cognitive, physical, social, and psychological) allowing a multidimensional evaluation of fatigue. RESULTS The multivariate linear regression analysis demonstrated that lower SDMT scores were associated with higher EDSS score and psychological dimension of fatigue symptoms. No association were found between SDMT and anxiety or depression symptoms. Conversely, higher depression and anxiety symptoms were associated with higher total fatigue symptoms, but lower physical dimension of fatigue symptoms. Higher anxiety symptoms were also independently associated with higher social dimension of fatigue symptoms. CONCLUSION A complex relationship exists between cognitive performance, fatigue, and neuropsychiatric symptoms in Belgian people with MS. The level of disability and fatigue adversely affects the cognitive function in MS, whereas depression and anxiety seem to not have a significant effect. A more complex relationship exists between fatigue and neuropsychiatric symptoms, with a divergent interplay between the different dimensions of fatigue that supports the multidimensional approach to assessing fatigue in MS.
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Affiliation(s)
- S Borrelli
- Department of Neurology, Brugmann University Hospital, Université Libre de Bruxelles, Place A.Van Gehuchten 4, 1020, Brussels, Belgium.
| | - J Pereira Lima
- Department of Neurology, Brugmann University Hospital, Université Libre de Bruxelles, Place A.Van Gehuchten 4, 1020, Brussels, Belgium
| | - B Dachy
- Department of Neurology, Brugmann University Hospital, Université Libre de Bruxelles, Place A.Van Gehuchten 4, 1020, Brussels, Belgium
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Snow NJ, Landine J, Chaves AR, Ploughman M. Age and asymmetry of corticospinal excitability, but not cardiorespiratory fitness, predict cognitive impairments in multiple sclerosis. IBRO Neurosci Rep 2023; 15:131-142. [PMID: 37577407 PMCID: PMC10412844 DOI: 10.1016/j.ibneur.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 07/11/2023] [Accepted: 07/15/2023] [Indexed: 08/15/2023] Open
Abstract
Background Cognitive impairment is a disabling and underestimated consequence of multiple sclerosis (MS), with multiple determinants that are poorly understood. Objectives We explored predictors of MS-related processing speed impairment (PSI) and age-related mild cognitive impairment (MCI) and hypothesized that cardiorespiratory fitness and corticospinal excitability would predict these impairments. Methods We screened 73 adults with MS (53 females; median [range]: Age 48 [21-70] years, EDSS 2.0 [0.0-6.5]) for PSI and MCI using the Symbol Digit Modalities Test and Montréal Cognitive Assessment, respectively. We identified six persons with PSI (No PSI, n = 67) and 13 with MCI (No MCI, n = 60). We obtained clinical data from medical records and self-reports; used transcranial magnetic stimulation to test corticospinal excitability; and assessed cardiorespiratory fitness using a graded maximal exercise test. We used receiver operator characteristic (ROC) curves to discern predictors of PSI and MCI. Results Interhemispheric asymmetry of corticospinal excitability was specific for PSI, while age was both sensitive and specific for MCI. MS-related PSI was also associated with statin prescriptions, while age-related MCI was related to progressive MS and GABA agonist prescriptions. Cardiorespiratory fitness was associated with neither PSI nor MCI. Discussion Corticospinal excitability is a potential marker of neurodegeneration in MS-related PSI, independent of age-related effects on global cognitive function. Age is a key predictor of mild global cognitive impairment. Cardiorespiratory fitness did not predict cognitive impairments in this clinic-based sample of persons with MS.
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Affiliation(s)
- Nicholas J. Snow
- Recovery and Performance Laboratory, Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada
| | - Josef Landine
- Recovery and Performance Laboratory, Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada
| | - Arthur R. Chaves
- Recovery and Performance Laboratory, Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada
| | - Michelle Ploughman
- Recovery and Performance Laboratory, Faculty of Medicine, Memorial University of Newfoundland and Labrador, St. John's, Newfoundland and Labrador, Canada
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Elosúa MR, Villadangos N. Executive functions in relapsing-remitting multiple sclerosis. APPLIED NEUROPSYCHOLOGY. ADULT 2023:1-9. [PMID: 37930795 DOI: 10.1080/23279095.2023.2252125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Some studies suggest that patients with relapsing-remitting multiple sclerosis have problems in the functioning of working memory, and more specifically in executive functions, but the available results are still inconsistent. The aim of the present study was to examine executive functioning in multiple sclerosis using classical and representative tasks for divided attention, updating, attentional shifting, and inhibition. The sample was composed of 48 participants aged between 18 and 59 years (24 persons living with multiple sclerosis and 24 healthy participants matched in age and education level). The executive functions of divided attention, updating, attentional shifting, and inhibition were analyzed through the Dual-Task Paradigm, the N-Back task, the Trail Making Test (TMT), and the Stroop test, respectively. The analyses of the data showed that the functioning of working memory was impaired in multiple sclerosis in the executive functions of divided attention and updating when the group of persons living with MS and the control group were compared. In addition, the performance in the four executive functions analyzed did not show the same profile across the persons living with MS in the sample, as no deficit in attentional shifting or inhibition was observed. It can be concluded that the presence of deficits was observed only in the executive functions of divided attention and updating under the condition of greater cognitive demand. The clinical implications of these results are underlined due to their impact on daily life.
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Affiliation(s)
- M Rosa Elosúa
- Departamento de Psicología Básica I, UNED, Madrid, Spain
| | - Noelia Villadangos
- Departamento de Psicología Básica I, UNED, Madrid, Spain
- Fundación de Esclerosis Múltiple de Madrid, Madrid, Spain
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Emery H, van der Mei I, Padgett C, Ownsworth T, Burke T, Giles L, Honan CA. The multiple sclerosis self-concept change scale: Development and validation of a new measure. Mult Scler Relat Disord 2023; 79:104955. [PMID: 37639780 DOI: 10.1016/j.msard.2023.104955] [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] [Received: 03/09/2023] [Revised: 08/11/2023] [Accepted: 08/20/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Self-concept change may impact psychological wellbeing and functioning in people with MS (pwMS). However, the extent and nature of change in self-concept that pwMS experience is poorly understood, owing to the lack of quantitative measures available to assess this construct. OBJECTIVE To examine the factor structure, validity, and internal consistency of the newly developed Multiple Sclerosis Self-Concept Change Scale (MSSCCS). METHODS Items measuring self-concept change were created, reviewed by a panel of experts and pre-tested in a sample of 135 pwMS. A revised list of 51 items were then administered to 1307 pwMS (80.3% female; Age M = 59.21 years, SD = 11.40), together with measures of disease impact and psychosocial functioning. RESULTS Exploratory factor analysis using principal axis factor extraction in 643 randomly selected participants yielded 23-items measuring 5 latent factors for the final MSSCCS. Confirmatory factor analysis involving the remaining participants supported the 5-factor model, as well as a 2nd order model of "global change". Internal consistency of the total scale was good (α = 0.89). The MSSCCS also demonstrated evidence of concurrent and construct validity. CONCLUSION The MSSCCS is a reliable and valid assessment, which may assist in enhancing understanding of self-concept change in pwMS.
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Affiliation(s)
- Holly Emery
- School of Psychological Sciences, University of Tasmania, Launceston, Australia.
| | - Ingrid van der Mei
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - Christine Padgett
- School of Psychological Sciences, University of Tasmania, Hobart, Australia
| | - Tamara Ownsworth
- School of Applied Psychology & The Hopkins Centre, Griffith University, Mount Gravatt, Australia
| | - Therese Burke
- School of Nursing, University of Notre Dame, Darlinghurst, Australia
| | - Lauren Giles
- Launceston General Hospital, Launceston, Tasmania, Australia
| | - Cynthia A Honan
- School of Psychological Sciences, University of Tasmania, Launceston, Australia; Launceston General Hospital, Launceston, Tasmania, Australia
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11
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Maffezzini S, Pucci V, Riccardi A, Montemurro S, Puthenparampil M, Perini P, Rinaldi F, Gallo P, Arcara G, Mondini S. Clinical Profiles in Multiple Sclerosis: Cognitive Reserve and Motor Impairment along Disease Duration. Behav Sci (Basel) 2023; 13:708. [PMID: 37753986 PMCID: PMC10525733 DOI: 10.3390/bs13090708] [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: 06/28/2023] [Revised: 08/16/2023] [Accepted: 08/24/2023] [Indexed: 09/28/2023] Open
Abstract
(i) Background: Cognitive impairment in people with multiple sclerosis (MS) has been studied in relation to certain clinical variables (e.g., motor disability and disease duration) and lifestyle factors such as cognitive reserve (CR). However, only very few studies have considered the interaction of clinical variables and cognitive reserve in preserving the integrity of the neuropsychological profile. In this paper, we hypothesised that a higher level of CR might predict good cognitive efficiency by modulating the clinical outcome of the disease. (ii) Methods: A sample of 100 participants with MS (age range 30-74), was recruited and assessed remotely with a questionnaire to measure CR and a cognitive screening test. Data were analysed through generalized additive models. (iii) Results: We found that the model analysing the interaction between CR and disease duration, and between CR and motor disability, was able to explain a significant percentage of cognitive performance. In particular, higher levels of CR predicted a better cognitive performance despite a long disease duration, unless the motor disability was severe. (iv) Conclusion: This study highlights the crucial role of CR in modulating cognitive efficiency in people with MS.
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Affiliation(s)
- Sabrina Maffezzini
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
| | - Veronica Pucci
- Department of Philosophy, Sociology, Education and Applied Psychology, University of Padua, 35128 Padova, Italy;
- Human Inspired Technology Centre (HIT), University of Padua, 35122 Padova, Italy
| | - Alice Riccardi
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
| | | | - Marco Puthenparampil
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
- Department of Neuroscience, University of Padua, 35128 Padova, Italy
| | - Paola Perini
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
| | - Francesca Rinaldi
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
| | - Paolo Gallo
- Multiple Sclerosis Centre, University-Hospital of Padua, 35128 Padova, Italy; (S.M.); (A.R.); (M.P.); (P.P.); (F.R.); (P.G.)
- Department of Neuroscience, University of Padua, 35128 Padova, Italy
| | - Giorgio Arcara
- IRCCS San Camillo Hospital, 30126 Venice, Italy; (S.M.); (G.A.)
| | - Sara Mondini
- Department of Philosophy, Sociology, Education and Applied Psychology, University of Padua, 35128 Padova, Italy;
- Human Inspired Technology Centre (HIT), University of Padua, 35122 Padova, Italy
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12
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Tabibian F, Azimzadeh K, Shaygannejad V, Ashtari F, Adibi I, Sanayei M. Patterns of attention deficit in relapsing and progressive phenotypes of multiple sclerosis. Sci Rep 2023; 13:13045. [PMID: 37563449 PMCID: PMC10415341 DOI: 10.1038/s41598-023-40327-x] [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] [Received: 01/08/2023] [Accepted: 08/08/2023] [Indexed: 08/12/2023] Open
Abstract
Behavioral aspects and underlying pathology of attention deficit in multiple sclerosis (MS) remain unknown. This study aimed to clarify impairment of attention and its relationship with MS-related fatigue. Thirty-four relapse-remitting MS (RRMS), 35 secondary-progressive MS (SPMS) and 45 healthy controls (HC) were included. Results of psychophysics tasks (attention network test (ANT) and Posner spatial cueing test) and fatigue assessments (visual analogue scale and modified fatigue impact scale (MFIS)) were compared between groups. In ANT, attentional network effects were not different between MS phenotypes and HC. In Posner task, RRMS or SPMS patients did not benefit from valid cues unlike HC. RRMS and SPMS patients had less gain in exogenous trials with 62.5 ms cue-target interval time (CTIT) and endogenous trials with 250 ms CTIT, respectively. Total MFIS was the predictor of gain in 250 ms endogenous blocks and cognitive MFIS predicted orienting attentional effect. Executive attentional effect in RRMS patients with shorter disease duration and orienting attentional effect in longer diagnosed SPMS were correlated with MFIS scores. The pattern of attention deficit in MS differs between phenotypes. Exogenous attention is impaired in RRMS patients while SPMS patients have deficit in endogenous attention. Fatigue trait predicts impairment of endogenous and orienting attention in MS.
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Affiliation(s)
- Farinaz Tabibian
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kiarash Azimzadeh
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Vahid Shaygannejad
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Neurology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fereshteh Ashtari
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Neurology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Iman Adibi
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran.
- Department of Neurology, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Mehdi Sanayei
- Center for Translational Neuroscience, Isfahan University of Medical Sciences, Isfahan, Iran.
- School of Cognitive Sciences, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.
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13
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Biasi MM, Manni A, Pepe I, Abbatantuono C, Gasparre D, Iaffaldano P, Simone M, De Caro MF, Trojano M, Taurisano P, Paolicelli D. Impact of depression on the perception of fatigue and information processing speed in a cohort of multiple sclerosis patients. BMC Psychol 2023; 11:208. [PMID: 37452373 PMCID: PMC10349468 DOI: 10.1186/s40359-023-01235-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Information processing speed is commonly impaired in people with multiple sclerosis (PwMS). However, depression and fatigue can affect the cognitive profile of patients: fatigue has a negative impact from the disease's earliest stage and a reduced information processing speed is often associated with higher levels of depression. Therefore, the aim of this study was to investigate the correlations between information processing speed and physical fatigue in a cohort of Italian PwMS from a single center, considering the effect of depression. METHODS Two hundred (W = 128; mean age = 39.83 years; SD = 11.86) PwMS, from the Bari University Hospital, underwent testing for processing speed (Symbol Digit Modalities Test [SDMT]), fatigue level (Fatigue Severity Scale [FSS]), and depression (Beck's Depression Inventory [BDI]). RESULTS Statistically significant correlations emerged between SDMT and FSS, SDMT and BDI, FSS and BDI. Mediation analyses revealed that while physical fatigue had no significant direct negative effect on information processing speed (z=-0.891; p > 0.05), depression predicted the relationship between fatigue and information processing speed (z=-2.181; p < 0.05). CONCLUSION Our findings showed that cognitive performance at SDMT was not affected by patients' perceived level of physical fatigue, but by depression. The presence of a high BDI score mediates the physical fatigue on cognitive performance impact.
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Affiliation(s)
- Madia M Biasi
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Alessia Manni
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Ilaria Pepe
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Chiara Abbatantuono
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Daphne Gasparre
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Pietro Iaffaldano
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Marta Simone
- Department of Biomedical Sciences and Human Oncology, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Maria F De Caro
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Maria Trojano
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
| | - Paolo Taurisano
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy.
| | - Damiano Paolicelli
- Department of Translational Biomedicine and Neuroscience, University of Bari "Aldo Moro", Piazza G. Cesare, 11, Bari, 70121, Italy
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14
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Niino M, Miyazaki Y, Altincatal A, Belviso N, Kanda M, Chinen I, Edwards M, de Moor C, Williams JR, Rao SM. Processing speed test: Results from a Japanese normative sample of healthy participants compared with a US normative sample. Clin Neurol Neurosurg 2023; 230:107790. [PMID: 37229953 DOI: 10.1016/j.clineuro.2023.107790] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/09/2023] [Accepted: 05/13/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND The Processing Speed Test (PST), a validated iPad®-based cognitive screening test for MS, has been applied to the cognitive assessment of Japanese MS patients using US normative data. METHODS To develop PST normative data from Japanese healthy volunteers and compare the PST score distribution between Japanese and US healthy volunteers, 254 healthy Japanese-speaking volunteers were enrolled and stratified by age (20-65 years). Potential participants with a Mini-Mental State Examination score < 27 were excluded. PST raw scores (total correct) were from the Japan cohort and compared with age-restricted US normative data and propensity score-matched data created by matching sex, age, and educational level from a published study of 428 healthy participants. PST score distributions and standardized z-scores were compared using t-test and Kolmogorov-Smirnov test statistics. RESULTS The mean age of the Japan cohort was 44.1 years. The PST scores of Japanese volunteers were significantly different from those of the age-restricted (mean ± SD 61.8 ± 10.1 vs 53.7 ± 10.8; p < 0.001) and the propensity score-matched US cohort (62.1 ± 10.1 vs 53.3 ± 10.6; p < 0.001). CONCLUSION Regression analyses centered on US normative data could underestimate disease severity in Japanese MS patients, suggesting that separate normative data should be considered for each population sample.
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Affiliation(s)
- Masaaki Niino
- Department of Clinical Research, National Hospital Organization Hokkaido Medical Center, Sapporo, Japan.
| | - Yusei Miyazaki
- Department of Clinical Research, National Hospital Organization Hokkaido Medical Center, Sapporo, Japan
| | | | | | | | | | | | | | | | - Stephen M Rao
- Schey Center for Cognitive Neuroimaging, Lou Ruvo Center for Brain Health, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
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15
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Šubert M, Novotný M, Tykalová T, Srpová B, Friedová L, Uher T, Horáková D, Rusz J. Lexical and syntactic deficits analyzed via automated natural language processing: the new monitoring tool in multiple sclerosis. Ther Adv Neurol Disord 2023; 16:17562864231180719. [PMID: 37384113 PMCID: PMC10293520 DOI: 10.1177/17562864231180719] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 05/13/2023] [Indexed: 06/30/2023] Open
Abstract
Background Impairment of higher language functions associated with natural spontaneous speech in multiple sclerosis (MS) remains underexplored. Objectives We presented a fully automated method for discriminating MS patients from healthy controls based on lexical and syntactic linguistic features. Methods We enrolled 120 MS individuals with Expanded Disability Status Scale ranging from 1 to 6.5 and 120 age-, sex-, and education-matched healthy controls. Linguistic analysis was performed with fully automated methods based on automatic speech recognition and natural language processing techniques using eight lexical and syntactic features acquired from the spontaneous discourse. Fully automated annotations were compared with human annotations. Results Compared with healthy controls, lexical impairment in MS consisted of an increase in content words (p = 0.037), a decrease in function words (p = 0.007), and overuse of verbs at the expense of noun (p = 0.047), while syntactic impairment manifested as shorter utterance length (p = 0.002), and low number of coordinate clause (p < 0.001). A fully automated language analysis approach enabled discrimination between MS and controls with an area under the curve of 0.70. A significant relationship was detected between shorter utterance length and lower symbol digit modalities test score (r = 0.25, p = 0.008). Strong associations between a majority of automatically and manually computed features were observed (r > 0.88, p < 0.001). Conclusion Automated discourse analysis has the potential to provide an easy-to-implement and low-cost language-based biomarker of cognitive decline in MS for future clinical trials.
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Affiliation(s)
- Martin Šubert
- Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Michal Novotný
- Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Tereza Tykalová
- Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Barbora Srpová
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Lucie Friedová
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Tomáš Uher
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Dana Horáková
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Jan Rusz
- Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 160 00 Prague, Czech Republic
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
- Department of Neurology and ARTORG Center for Biomedical Engineering Research, Inselspital (Bern University Hospital), University of Bern, Bern, Switzerland
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16
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Piacentini C, Argento O, Nocentini U. Cognitive impairment in multiple sclerosis: "classic" knowledge and recent acquisitions. ARQUIVOS DE NEURO-PSIQUIATRIA 2023; 81:585-596. [PMID: 37379870 PMCID: PMC10658666 DOI: 10.1055/s-0043-1763485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/11/2022] [Indexed: 06/30/2023]
Abstract
Multiple sclerosis (MS) is a central nervous system (CNS) disease characterized by inflammation, axonal demyelination, and neurodegeneration, which can have a strong impact on all aspects of the life of the patient. Multiple sclerosis causes motor, sensory, cerebellar, and autonomic dysfunctions, as well as cognitive and psychoemotional impairment. The most frequently compromised cognitive domains are complex attention/information processing, memory, executive and visuospatial functions. Recently, alterations have also been evidenced in complex cognitive functions, such as social cognition, moral judgment, and decision-making. Cognitive impairment is characterized by high variability and can affect work skills, social interactions, coping strategies and more generally the quality of life of patients and their families. With the use of sensitive and easy-to-administer test batteries, an increasingly accurate and early diagnosis is feasible: this allows to determine the effectiveness of possible preventive measures, to predict the future progression of the disease and to improve the quality of life of patients. There is currently limited evidence regarding the efficacy, on cognitive impairment, of disease-modifying therapies. The most promising approach, which has received strong empirical support, is cognitive rehabilitation.
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Affiliation(s)
- Chiara Piacentini
- Institute of Hospitalization and Care of a Scientific Character “Santa Lucia”
Foundation, Behavioral Neuropsychology, Rome, Italy.
| | - Ornella Argento
- Institute of Hospitalization and Care of a Scientific Character “Santa Lucia”
Foundation, Behavioral Neuropsychology, Rome, Italy.
| | - Ugo Nocentini
- Institute of Hospitalization and Care of a Scientific Character “Santa Lucia”
Foundation, Behavioral Neuropsychology, Rome, Italy.
- University of Rome “Tor Vergata”, Department of Clinical Sciences and
Translational Medicine, Rome, Italy.
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17
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Molhemi F, Mehravar M, Monjezi S, Salehi R, Negahban H, Shaterzadeh-Yazdi MJ, Majdinasab N. Effects of exergaming on cognition, lower limb functional coordination, and stepping time in people with multiple sclerosis: a randomized controlled trial. Disabil Rehabil 2023; 45:1343-1351. [PMID: 35443843 DOI: 10.1080/09638288.2022.2060332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
PURPOSE To compare the effects of exergaming versus conventional exercises on cognition, lower-limb functional coordination, and stepping time in people with multiple sclerosis (PwMS). METHODS Thirty-six PwMS were randomly assigned to either intervention (n = 18) or control (n = 18) group and received 18 training sessions during six weeks. The intervention group performed exergames that required multidirectional timed-stepping, weight-shifting, and walking while the control group performed conventional matched exercises. Trail making test (TMT part A, B; TMT-A, TMT-B, TMT B-A), six-spot step test (SSST), and choice stepping reaction time (CSRT-including reaction time (RT), movement time (MVT), and total response time (TRT)) were assessed pre- and post-intervention (short-term), and after three-month follow-up (mid-term). RESULTS The intervention group showed faster TMT-B (p = 0.003) and TMT B-A (p = 0.002) at post-intervention and faster SSST at both post-intervention (p = 0.002) and follow-up (p = 0.04). The CSRT components showed no between-group differences at post-intervention; however, at follow-up, the intervention group had lower TRT (p = 0.046) and MVT (p = 0.015). TMT-A and RT had no significant between-group differences. CONCLUSIONS In short-term, exergames led to more improvements in complex attention, executive function, and lower-limb functional coordination comparing to the matched conventional exercises. In mid-term, exergaming was more effective for improving stepping time and lower-limb functional coordination. However, the two approaches did not show any superiority over each other for improving simple attention and RT.Implications for rehabilitationWhen designed properly, exergames have great potential to improve attention and executive function of people with multiple sclerosis (PwMS), at least in the short-term.Exergames seem like an appropriate option for improving lower limb coordination and decreasing choice stepping response time among PwMS in the mid-term.Exergames do not have superiority in improving the choice stepping reaction time compared to their matched conventional treatment.
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Affiliation(s)
- Farshad Molhemi
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Mehravar
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Physiotherapy, School of Rehabilitation Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeideh Monjezi
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Physiotherapy, School of Rehabilitation Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Salehi
- Department of Rehabilitation Management, Rehabilitation Research Center, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Hossein Negahban
- Department of Physical Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
- Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad-Jafar Shaterzadeh-Yazdi
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Physiotherapy, School of Rehabilitation Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nastaran Majdinasab
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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18
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Saudi Consensus Recommendations on the Management of Multiple Sclerosis: Symptom Management and Vaccination. CLINICAL AND TRANSLATIONAL NEUROSCIENCE 2023. [DOI: 10.3390/ctn7010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
This article deals with recommendations on the management of symptoms of MS and on the provision of vaccinations in patients receiving disease-modifying therapies (DMTs). Symptoms of MS, such as fatigue, depression, urinary symptoms, spasticity, impairment of gait, and sexual dysfunction, are common in this population. Recognizing and addressing these symptoms is key to maintaining the quality of life of people with MS. Vaccination status should be reviewed and updated prior to initiation of DMTs. In general, vaccination should be avoided for variable periods after the initiation of some DMTs. Live attenuated vaccines are contraindicated and should be considered on a case-by-case basis. These consensus recommendations will present the best practices for vaccination in Saudi Arabia before, during, and after the COVID-19 pandemic. The recommendations will be updated periodically and as needed as new evidence becomes available.
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19
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Health-related quality of life in Japanese patients with multiple sclerosis. J Neurol 2023; 270:1011-1018. [PMID: 36334134 DOI: 10.1007/s00415-022-11453-9] [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: 08/18/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Neurological disabilities, especially physical issues, can adversely affect the daily lives of people with multiple sclerosis (MS) and negatively impact their health-related quality of life (HRQOL). On the other hand, physical and psychiatric symptoms are variable in people with MS, and QOL can be influenced by cultural and educational background. This study aimed to evaluate the association of HRQOL with disabilities, fatigue, and depression in Japanese subjects with MS. METHODS Evaluation of HRQOL, fatigue, and depression was performed in 184 Japanese individuals with MS, using the Functional Assessment of MS (FAMS), Fatigue Severity Scale (FSS), and Beck Depression Inventory-Second Edition (BDI-II), respectively. RESULTS Multiple linear regression analysis demonstrated negative correlations of the Expanded Disability Status Scale (EDSS) with scores on the FAMS subscales of mobility, symptoms, thinking and fatigue, total FAMS, and additional concerns. The FSS score had negative correlations with mobility, symptoms, emotional well-being, thinking and fatigue, total FAMS, and additional concerns. There were negative correlations between BDI-II scores and all items of FAMS. CONCLUSIONS HRQOL had relatively close correlations with disabilities and fatigue, and depression had an especially close relationship with HRQOL.
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20
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Iva P, Martin R, Fielding J, Clough M, White O, Godic B, van der Walt A, Rajan R. Discriminating spatialised speech in complex environments in multiple sclerosis. Cortex 2023; 159:217-232. [PMID: 36640621 DOI: 10.1016/j.cortex.2022.11.014] [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: 01/04/2022] [Revised: 06/13/2022] [Accepted: 11/09/2022] [Indexed: 12/25/2022]
Abstract
People with multiple sclerosis (pwMS) frequently present with deficits in binaural processing used for sound localization. This study examined spatial release from speech-on-speech masking in pwMS, which involves binaural processing and additional higher level mechanisms underlying streaming, such as spatial attention. 26 pwMS with mild severity (Expanded Disability Status Scale score <3) and 20 age-matched controls listened via headphones to pre-recorded sentences from a standard list presented simultaneously with eight-talker babble. Virtual acoustic techniques were used to simulate sentences originating from 0°, 20°, or 50° on the interaural horizontal plane around the listener whilst babble was presented continuously at 0° azimuth, and participants verbally repeated the target sentence. In a separate task, two simultaneous sentences both containing a colour and number were presented, and participants were required to report the target colour and number. Both competing sentences could originate from 0°, 20°, or 50° on the azimuthal plane. Participants also completed a series of neuropsychological assessments, an auditory questionnaire, and a three-alternative forced-choice task that involved the detection of interaural time differences (ITDs) in noise bursts. Spatial release from masking was observed in both pwMS and controls, as response accuracy in the two speech discrimination tasks improved in the spatially separated conditions (20° and 50°) compared with the co-localised condition. However, pwMS demonstrated significantly less spatial release (18%) than controls (28%) when discriminating colour/number coordinates. At 50° separation, pwMS discriminated significantly fewer coordinates (77%) than controls (89%). In contrast, pwMS had similar performances to controls when sentences were presented in babble, and for the basic ITD discrimination task. Significant correlations between speech discrimination performance and standardized neuropsychological scores were observed across all spatial conditions. Our findings suggest that spatial hearing is likely to be implicated in pwMS, thereby affecting the perception of competing speech originating from various locations.
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Affiliation(s)
- Pippa Iva
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia.
| | - Russell Martin
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Joanne Fielding
- Department of Neurosciences, Central Clinical School, Alfred Hospital, Monash University, Melbourne, VIC, Australia
| | - Meaghan Clough
- Department of Neurosciences, Central Clinical School, Alfred Hospital, Monash University, Melbourne, VIC, Australia
| | - Owen White
- Department of Neurosciences, Central Clinical School, Alfred Hospital, Monash University, Melbourne, VIC, Australia
| | - Branislava Godic
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Anneke van der Walt
- Department of Neurosciences, Central Clinical School, Alfred Hospital, Monash University, Melbourne, VIC, Australia
| | - Ramesh Rajan
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
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Cuerda-Ballester M, Martínez-Rubio D, García-Pardo MP, Proaño B, Cubero L, Calvo-Capilla A, Sancho-Cantus D, de la Rubia Ortí JE. Relationship of Motor Impairment with Cognitive and Emotional Alterations in Patients with Multiple Sclerosis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1387. [PMID: 36674140 PMCID: PMC9864158 DOI: 10.3390/ijerph20021387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Introduction. Multiple sclerosis (MS) is a neurodegenerative disease that, despite mainly affecting women, is more severe in men and causes motor, cognitive and emotional alterations. The objective of this study was to determine the possible relationship between motor, cognitive and emotional alterations. Materials and Methods. This is a descriptive, observational and cross-sectional study, with 67 patients with MS (20 men and 47 women), who were given the following questionnaires: Expanded Disability Status Scale (EDSS), Two-Minute Walk Test (2MWT), Berg Balance Scale, Beck’s Depression Inventory (BDI-II), State-Trait Anxiety Inventory (STAI) and Prefrontal Symptoms Inventory (PSI) to analyze their cognitive level, body mass index (BMI) and percentage of muscle mass. In addition, regression analysis was conducted to study the relationship among variables. Results. No significant differences were found between men and women in any of the variables. Regarding the relationship between parameters, the regression analysis was statistically significant, showing an effect of age on the walking and balance performance (β ≅ −0.4, p < 0.05); in addition, there was a relationship between 2MWT and STAI A/S, indicating that both older age and a high anxiety state could impact walking performance. On the other hand, prefrontal symptoms showed moderate relationships with both anxiety and depression (β ≅ 0.6, p < 0.05); thus, high levels of anxiety and depression could increase prefrontal alterations. Conclusions. There is a relationship between motor and emotional variables. Specifically, state anxiety is related to walking resistance. No relationship was found between depression and cognitive alteration and balance or walking ability. Only age has an effect in these relationships.
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Affiliation(s)
- María Cuerda-Ballester
- Doctoral School, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, Spain
| | - David Martínez-Rubio
- Psicoforma Integral Psychology Center, 46001 Valencia, Spain
- Department of Psychology, European University of Valencia, 46010 Valencia, Spain
| | - María Pilar García-Pardo
- Department of Psychology and Sociology, University of Zaragoza, Campus Teruel, 44003 Teruel, Spain
| | - Belén Proaño
- Department of Basic Medical Sciences, Catholic University of Valencia, 46001 Valencia, Spain
| | - Laura Cubero
- Department of Basic Medical Sciences, Catholic University of Valencia, 46001 Valencia, Spain
| | - Antonio Calvo-Capilla
- Department of Medicine and Animal Surgery, Catholic University of Valencia, 46001 Valencia, Spain
| | - David Sancho-Cantus
- Department of Basic Medical Sciences, Catholic University of Valencia, 46001 Valencia, Spain
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22
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Raimo S, Giorgini R, Gaita M, Costanzo A, Spitaleri D, Palermo L, Liuzza MT, Santangelo G. Sensitivity of conventional cognitive tests in multiple sclerosis: Application of item response theory. Mult Scler Relat Disord 2023; 69:104440. [PMID: 36495845 DOI: 10.1016/j.msard.2022.104440] [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] [Received: 10/08/2022] [Revised: 11/17/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cognitive impairment (CI) is common in Multiple Sclerosis (MS), and its prevalence rate ranges between 22% and 70%. Because CI significantly impacts vocational status, caregiver burden, and quality of life, an accurate neuropsychological assessment is required. Three widely used and validated batteries for MS-associated CI are the Brief Repeatable Neuropsychological Battery (BRN-B), the Minimal Assessment of Cognitive Function (MACFIMS), and the Brief International Cognitive Assessment (BICAMS). Although similar, these batteries differ in time-consuming and in specific tests employed. This study aims to assess the sensitivity of cognitive tests included in these batteries through an Item Response Theory approach. METHODS Ninety-seven patients with MS and 91 demographically matched controls (HC) were consecutively assessed using the three neuropsychological batteries (i.e., BRN-B, MACFIMS, and BICAMS). Continuous Response Model (CRM) was used to identify the cognitive test(s) that best discriminate patients with MS from HC. Receiver Operating Characteristic (ROC) curve analysis was used to determine the accuracy of the CRM results. RESULTS Cognitive tests loaded on two different latent variables: the 'higher-order executive functioning,' consisting of tests assessing concept formation, problem-solving, and inhibitory control, and the 'memory and information processing speed,' comprising tests assessing long-term, working memory, and information processing speed. The Delis Kaplan Executive Functioning System-Sorting Test and the Stroop Test were the most sensitive tests in differentiating cognitive functioning between MS and HC. CONCLUSIONS This study confirms the importance of including a more extensive executive assessment in MS clinical practice since higher-order executive functions (e.g., abstraction and inhibitory control) significantly impact patients' quality of life and functional autonomy. Clinical implications of careful dissection of executive functioning in MS neuropsychological assessment are discussed.
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Affiliation(s)
- Simona Raimo
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, Catanzaro 88100, Italy.
| | - Roberto Giorgini
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Mariachiara Gaita
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Antonio Costanzo
- Department of Psychology, University of Campania "Luigi Vanvitelli", Caserta, Italy
| | - Daniele Spitaleri
- Neurology Unit "San Giuseppe Moscati", Hospital Avellino, Avellino, Italy
| | - Liana Palermo
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Marco Tullio Liuzza
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Gabriella Santangelo
- Department of Psychology, University of Campania "Luigi Vanvitelli", Caserta, Italy
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Argento O, Piacentini C, Bossa M, Caltagirone C, Santamato A, Saraceni V, Nocentini U. Motor, cognitive, and combined rehabilitation approaches on MS patients' cognitive impairment. Neurol Sci 2023; 44:1109-1118. [PMID: 36542204 PMCID: PMC9769485 DOI: 10.1007/s10072-022-06552-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND At the moment, the possible options for the management of cognitive dysfunctions in patients with MS (pMS) are pharmacological interventions, cognitive rehabilitation (CR), and physical exercise. However, worldwide, multimodal programs are infrequently applied in pMS and CR is not easily accessible through the National Health System as MR. OBJECTIVE The aim of the study is to explore if the combination of motor and cognitive rehabilitation may favor better outcomes on cognitive efficiency compared to separate trainings. METHODS Forty-eight pMS were submitted to detailed neuropsychological and motor assessments, before (T0) and after (T1) having performed one of three rehabilitation conditions (two cognitive trainings/week-Reha1; one cognitive and one motor training/week-Reha2; two motor trainings/week-Reha3, for 12 weeks); they were randomly assigned to one condition or another. The CR was focused on memory functioning and performed with the Rehacom program. RESULTS No significant differences in age, sex, education, and disease course were found between the three groups (sig. > .05). Reha1 patients increased only their cognitive performance, and Reha3 only increased their motor performance, while Reha2 increased both cognitive and motor performances. This benefit was also confirmed by the cognitive efficiency expressed by the Cognitive Impairment Index. CONCLUSIONS These data confirm that to include cognitive training within rehabilitation programs may induce important benefits in pMS. Furthermore, pMS seem to benefit from a combined approach (cognitive and motor) more than from CR and motor rehabilitation separately (ClinicalTrial.gov ID: NCT05462678; 14 July 2022, retrospectively registered).
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Affiliation(s)
- Ornella Argento
- Behavioral Neuropsychology Unit, I.R.C.C.S. "Santa Lucia" Foundation, Via Ardeatina, 306, 00179, Rome, Italy.
| | - Chiara Piacentini
- Behavioral Neuropsychology Unit, I.R.C.C.S. “Santa Lucia” Foundation, Via Ardeatina, 306, 00179 Rome, Italy
| | - Michela Bossa
- Behavioral Neuropsychology Unit, I.R.C.C.S. “Santa Lucia” Foundation, Via Ardeatina, 306, 00179 Rome, Italy
| | - Carlo Caltagirone
- Scientific Direction, I.R.C.C.S. “Santa Lucia” Foundation, Rome, Italy
| | - Andrea Santamato
- Rehabilitation Centre-Physical Medicine and Rehabilitation Section, OORR-Hospital-University of Foggia, Foggia, Italy
| | - Vincenzo Saraceni
- Scientific Direction, “Filippo Turati” Foundation, Rehabilitation Centre, Pistoia, Italy
| | - Ugo Nocentini
- Behavioral Neuropsychology Unit, I.R.C.C.S. “Santa Lucia” Foundation, Via Ardeatina, 306, 00179 Rome, Italy ,Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
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24
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Dykukha I, Essner U, Schreiber H, Raithel LM, Penner IK. Effects of Sativex Ⓡ on cognitive function in patients with multiple sclerosis: A systematic review and meta-analysis. Mult Scler Relat Disord 2022; 68:104173. [PMID: 36174323 DOI: 10.1016/j.msard.2022.104173] [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: 01/05/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Cognitive impairment is a common manifestation of multiple sclerosis (MS). OBJECTIVE To assess by systematic review and meta-analysis available evidence regarding the impact of nabiximols oromucosal spray on cognition in patients with MS. METHODS A systematic literature search of clinical studies (all types, any comparator) that measured cognitive function in patients with MS spasticity treated with nabiximols. Meta-analysis for cognitive endpoints was not possible due to heterogenous measurement instruments and outcomes. Meta-analysis was performed for adverse events (AEs) of special interest (cognition disorders) reported in randomized controlled trials (RCTs) of nabiximols versus placebo in patients with MS (with or without spasticity). Certainty of evidence and risk of bias were assessed. RESULTS Seven clinical studies (three RCTs) directly assessing cognitive function were included in the qualitative analysis. There was no consistent evidence to suggest that nabiximols causes cognitive impairment as assessed by a range of specific psychometric instruments across cognitive domains. Thirteen double-blind, placebo-controlled RCTs (nabiximols, n = 964; placebo, n = 904) were included in the meta-analysis of cognitive AEs. Most cognitive AEs (30 of 32 events, 93.8%) reported with nabiximols in MS patients occurred with not in-label use, i.e., dosage >12 sprays per day and/or not administered primarily for treatment of spasticity. CONCLUSIONS Within the limitations of the review, we can conclude that no detrimental effects of nabiximols on cognitive function were observed in patients with MS spasticity during up to 12 months follow-up and that cognitive AEs were rare and occurred only when nabiximols was not used according to its approved label.
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Affiliation(s)
- Igor Dykukha
- Medical Affairs, Almirall Hermal GmbH, Reinbek, Germany
| | - Ute Essner
- O. Meany Consultancy GmbH, Hamburg, Germany
| | - Herbert Schreiber
- Neurological Practice Center, Neuropoint Academy, NTD & Neurosys, Ulm, Germany
| | - Lina Marie Raithel
- COGITO Center for Applied Neurocognition and Neuropsychological Research, Düsseldorf, Germany
| | - Iris-Katharina Penner
- Department of Neurology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.
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Transcriptome Profiling in the Hippocampi of Mice with Experimental Autoimmune Encephalomyelitis. Int J Mol Sci 2022; 23:ijms232314829. [PMID: 36499161 PMCID: PMC9738199 DOI: 10.3390/ijms232314829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/16/2022] [Accepted: 11/24/2022] [Indexed: 12/03/2022] Open
Abstract
Experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis (MS), approximates the key histopathological, clinical, and immunological features of MS. Hippocampal dysfunction in MS and EAE causes varying degrees of cognitive and emotional impairments and synaptic abnormalities. However, the molecular alterations underlying hippocampal dysfunctions in MS and EAE are still under investigation. The purpose of this study was to identify differentially expressed genes (DEGs) in the hippocampus of mice with EAE in order to ascertain potential genes associated with hippocampal dysfunction. Gene expression in the hippocampus was analyzed by RNA-sequencing and validated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Gene expression analysis revealed 1202 DEGs; 1023 were upregulated and 179 were downregulated in the hippocampus of mice with EAE (p-value < 0.05 and fold change >1.5). Gene ontology (GO) analysis showed that the upregulated genes in the hippocampi of mice with EAE were associated with immune system processes, defense responses, immune responses, and regulation of immune responses, whereas the downregulated genes were related to learning or memory, behavior, and nervous system processes in the GO biological process. The expressions of hub genes from the search tool for the retrieval of interacting genes/proteins (STRING) analysis were validated by RT-qPCR. Additionally, gene set enrichment analysis showed that the upregulated genes in the hippocampus were associated with inflammatory responses: interferon-γ responses, allograft rejection, interferon-α responses, IL6_JAK_STAT3 signaling, inflammatory responses, complement, IL2_STAT5 signaling, TNF-α signaling via NF-κB, and apoptosis, whereas the downregulated genes were related to synaptic plasticity, dendritic development, and development of dendritic spine. This study characterized the transcriptome pattern in the hippocampi of mice with EAE and signaling pathways underpinning hippocampal dysfunction. However, further investigation is needed to determine the applicability of these findings from this rodent model to patients with MS. Collectively, these results indicate directions for further research to understand the mechanisms behind hippocampal dysfunction in EAE.
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Taranu D, Tumani H, Holbrook J, Tumani V, Uttner I, Fissler P. The TRACK-MS Test Battery: A Very Brief Tool to Track Multiple Sclerosis-Related Cognitive Impairment. Biomedicines 2022; 10:biomedicines10112975. [PMID: 36428543 PMCID: PMC9687502 DOI: 10.3390/biomedicines10112975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/12/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Tracking cognition in patients with multiple sclerosis (MS) is important for detection of disease progression but it is often not performed in routine settings due to time constraints. This exploratory cohort study aims to develop a very brief repeatable tracking tool with comparable test quality criteria to the current gold standard, the Brief International Cognitive Assessment for MS (BICAMS). The study included 88 participants (22 healthy controls, 66 MS patients) who were examined at baseline and at one-year follow-up. As a validity criterion for the six administered cognitive tests, we assessed the difference between MS patients and HC, and the correlation with MS-related disability. Combining the two tests with the highest validity-the Controlled Oral Word Association Test and Symbol Digit Modalities Test-yielded an administration time of 5 min. Comparing this new TRACK-MS test battery with the 15 min BICAMS indicated that TRACK-MS showed larger differences between MS patients and healthy controls, a higher correlation with MS-related disability, smaller practice effects, and a good test-retest reliability. We provide evidence that TRACK-MS, although faster to administer, showed at least comparable quality criteria as the BICAMS. As the study was exploratory, replication of these results is necessary.
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Affiliation(s)
- Daniela Taranu
- Department of Neurology, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
- Correspondence: (D.T.); (H.T.)
| | - Hayrettin Tumani
- Department of Neurology, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
- Correspondence: (D.T.); (H.T.)
| | - Jill Holbrook
- Department of Neurology, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
| | - Visal Tumani
- Department of Psychiatry, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
| | - Ingo Uttner
- Department of Neurology, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
| | - Patrick Fissler
- Department of Neurology, Faculty of Medicine, Ulm University, D-89071 Ulm, Germany
- Psychiatric Services Thurgau, CH-8596 Münsterlingen, Switzerland
- University Hospital for Psychiatry and Psychotherapy, Paracelsus Medical University, A-5020 Salzburg, Austria
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Abuaf AF, Bunting SR, Klein S, Carroll T, Carpenter-Thompson J, Javed A, Cipriani V. Analysis of the extent of limbic system changes in multiple sclerosis using FreeSurfer and voxel-based morphometry approaches. PLoS One 2022; 17:e0274778. [PMID: 36137122 PMCID: PMC9499213 DOI: 10.1371/journal.pone.0274778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 09/05/2022] [Indexed: 12/03/2022] Open
Abstract
Background and purpose The limbic brain is involved in diverse cognitive, emotional, and autonomic functions. Injury of the various parts of the limbic system have been correlated with clinical deficits in MS. The purpose of this study was to comprehensively examine different regions of the subcortical limbic system to assess the extent of damage within this entire system as it may be pertinent in correlating with specific aspects of cognitive and behavioral dysfunction in MS by using a fully automated, unbiased segmentation approach. Methods Sixty-seven subjects were included in this study, including 52 with multiple sclerosis (MS) and 15 healthy controls. Only patients with stable MS disease, without any relapses, MRI activity, or disability progression were included. Subcortical limbic system segmentation was performed using the FreeSurfer pipeline ScLimbic, which provides volumes for fornix, mammillary bodies, hypothalamus, septal nuclei, nucleus accumbens, and basal forebrain. Hippocampus and anterior thalamic nuclei were added as additional components of the limbic circuitry, also segmented through FreeSurfer. Whole limbic region mask was generated by combining these structures and used for Voxel-based morphometry (VBM) analysis. Results The mean [95% confidence interval] of the total limbic system volume was lower (0.22% [0.21–0.23]) in MS compared to healthy controls (0.27%, [0.25–0.29], p < .001). Pairwise comparisons of individual limbic regions between MS and controls was significant in the nucleus accumbens (0.046%, [0.043–0.050] vs. 0.059%, [0.051–0.066], p = .005), hypothalamus (0.062%, [0.059–0.065] vs. 0.074%, [0.068–0.081], p = .001), basal forebrain (0.038%, [0.036–0.040] vs. 0.047%, [0.042–0.051], p = .001), hippocampus (0.47%, [0.45–0.49] vs. 0.53%, [0.49–0.57], p = .004), and anterior thalamus (0.077%, [0.072–0.082] vs. 0.093%, [0.084–0.10], p = .001) after Bonferroni correction. Volume of several limbic regions was significantly correlated with T2 lesion burden and brain parenchymal fraction (BPF). Multiple regression model showed minimal influence of BPF on limbic brain volume and no influence of other demographic and disease state variables. VBM analysis showed cluster differences in the fornix and anterior thalamic nuclei at threshold p < 0.05 after adjusting for covariates but the results were insignificant after family-wise error corrections. Conclusions The results show evidence that brain volume loss is fairly extensive in the limbic brain. Given the significance of the limbic system in many disease states including MS, such volumetric analyses can be expanded to studying cognitive and emotional disturbances in larger clinical trials. FreeSurfer ScLimbic pipeline provided an efficient and reliable methodology for examining many of the subcortical structures related to the limbic brain.
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Affiliation(s)
- Amanda Frisosky Abuaf
- Department of Neurology, The University of Wisconsin, Madison, WI, United States of America
| | - Samuel R. Bunting
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL, United States of America
| | - Sara Klein
- Department of Neurology, The University of Chicago, Chicago, IL, United States of America
| | - Timothy Carroll
- Department of Radiology, The University of Chicago, Chicago, IL, United States of America
| | | | - Adil Javed
- Department of Neurology, The University of Chicago, Chicago, IL, United States of America
- * E-mail:
| | - Veronica Cipriani
- Department of Neurology, The University of Chicago, Chicago, IL, United States of America
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Bruno D, Galiani A, Golfeder M, Pagani Cassará F, Duncan J, Sinay V, Roca M. Perspective taking deficits and their relationship with theory of mind abilities in patients with relapsing-remitting multiple sclerosis (RRMS). APPLIED NEUROPSYCHOLOGY. ADULT 2022:1-11. [PMID: 36075215 DOI: 10.1080/23279095.2022.2114832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Introduction and objectives: In recent years, research has reported that between 45% and 70% of patients with Multiple Sclerosis (MS) have cognitive deficits, the most prominent being those associated with the frontal lobe. Among these deficits, we can find Theory of Mind (ToM), which is the ability to infer feelings and thoughts of others. Although it has been suggested that ToM relies on more basic skills, such as perspective taking (PT), no studies have investigated this association in patients with MS. The aim of this study was to investigate PT abilities in patients with MS and to establish their relationship with ToM deficits. Material and methods: 36 patients with relapsing-remitting multiple sclerosis (RRMS) and 42 healthy controls matched by age, sex and educational level were evaluated. Both groups were tested to estimate premorbid and current intellectual capacity, PT, ToM (Reading the Mind in the Eyes Test -RMET- and Faux Pas) and complementary scales (fatigue, depression and disability). Results: Patients with RRMS presented significant differences from controls in both PT and ToM tests. The PT test showed positive correlation with RMET, one of our ToM tests. Conclusion: The results show that there is a relationship between ToM and PT abilities. Our findings are of clinical and academic relevance to both the assessment and interpretation as well as the rehabilitation of social deficits in MS.
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Affiliation(s)
- Diana Bruno
- Faculty of Philosophy and Humanities, Catholic University of Cuyo, Rivadavia, Argentina
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Agostina Galiani
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - María Golfeder
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Fatima Pagani Cassará
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - John Duncan
- MRC Cognition and Brain Sciences Unit, University of Cambridge, UK
| | - Vladimiro Sinay
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - María Roca
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
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29
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Ghadiri F, Ebadi Z, Asadollahzadeh E, Naser Moghadasi A. Gut microbiome in multiple sclerosis-related cognitive impairment. Mult Scler Relat Disord 2022; 67:104165. [PMID: 36152393 DOI: 10.1016/j.msard.2022.104165] [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: 07/20/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/29/2022]
Abstract
Cognition is one of the most evaluated neurologic subjects with which the gut microbiome is supposed to be associated. Cognitive impairment is a prevalent finding in patients with multiple sclerosis (MS). Here, we are about to study the current evidence on the effect of gut microbiota on cognition and MS. Although no direct evidence is in hand, putting all indirect research together, one could think of the hypothetical benefit of brain-gut axis interventions (possibly diet changes, probiotic administration, microbiota transplant) to solve the drastic problem of cognitive impairment in MS. Hence, researchers are encouraged to scan this horizon in order to fill the knowledge gaps in the field.
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Affiliation(s)
- Fereshteh Ghadiri
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Ebadi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Elnaz Asadollahzadeh
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdorreza Naser Moghadasi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Combined progressive functional exercise effect on contactin-1 and contactin-2 level in mildly disabled persons with multiple sclerosis. Mult Scler Relat Disord 2022; 67:104095. [PMID: 35963206 DOI: 10.1016/j.msard.2022.104095] [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: 07/18/2022] [Revised: 07/31/2022] [Accepted: 08/07/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although contactin-1 and contactin-2 are known as two proteins involved in axonal regeneration, it is unclear whether these proteins are induced by exercise in persons with multiple sclerosis (PwMS). OBJECTIVE The aim of this study was to determine the serum levels of contactin-1 and contactin-2 in PwMS and to investigate the change of these markers with exercise. METHODS A total of 60 participants with relapsing-remitting MS were divided into groups by stratified randomization. The progressive functional exercise was applied to the intervention group. Participants in the control group continued the treatments and lives of the routines. Participants' contactin-1 and contactin-2, cognitive performance and aerobic capacities were evaluated. RESULTS The comparison of the pre-and post-study values of contactin-1 and contactin-2 showed significant differences only in the intervention group. The contactin-1 and contactin-2 values were similar between the groups before the exercise, whereas a significant difference was found in favor of the intervention group after the exercise. Paced Auditory Serial Addition Test-3 value increased significantly only in the intervention group. CONCLUSION With this study, it was shown for the first time that contactin-1 and contactin-2, which play an important role in axonal regeneration and axonal organization, can be increased by exercise.
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Looking Beyond Physical Disability: Cognitive Impairment in Persons With Multiple Sclerosis. Rehabil Nurs 2022; 47:179-186. [PMID: 35833886 DOI: 10.1097/rnj.0000000000000382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE Cognitive impairment (CI) is an underestimated part of disability in persons with multiple sclerosis (PwMS). The purpose of this evidence-based project was to influence clinicians treating PwMS by education of the current guidelines on cognition and multiple sclerosis and to screen CI with a valid neuropsychological tool. METHODS Staff were educated on the 2018 National Multiple Sclerosis Society guidelines about CI in PwMS. The Processing Speed Test (PST) measured CI. RESULTS Of 50 eligible patients in a 3-month period, 21 (42%) PwMS were cognitively screened. Of the 21 enrolled patients, nine (42.9%) patients were cognitively impaired. Employed patients' PST scores tended to be higher than unemployed patients. As age increased, PST raw scores decreased. CONCLUSIONS In this project, less than half of eligible patients received cognitive screening after an extensive education program. Thus, education alone was not sufficient to change behavior. Other strategies to influence change may be more effective.
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Prouskas SE, Schoonheim MM, Huiskamp M, Steenwijk MD, Gehring K, Barkhof F, de Jong BA, Sitskoorn MM, Geurts JJG, Hulst HE. A randomized trial predicting response to cognitive rehabilitation in multiple sclerosis: Is there a window of opportunity? Mult Scler 2022; 28:2124-2136. [PMID: 35765748 PMCID: PMC9574229 DOI: 10.1177/13524585221103134] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background: Cognitive training elicits mild-to-moderate improvements in cognitive functioning in people with multiple sclerosis (PwMS), although response heterogeneity limits overall effectiveness. Objective: To identify patient characteristics associated with response and non-response to cognitive training. Methods: Eighty-two PwMS were randomized into a 7-week attention training (n = 58, age = 48.4 ± 10.2 years) or a waiting-list control group (n = 24, age = 48.5 ± 9.4 years). Structural and functional magnetic resonance imaging (MRI) was obtained at baseline and post-intervention. Twenty-one healthy controls (HCs, age = 50.27 ± 10.15 years) were included at baseline. Responders were defined with a reliable change index of 1.64 on at least 2/6 cognitive domains. General linear models and logistic regression were applied. Results: Responders (n = 36) and non-responders (n = 22) did not differ on demographics, clinical variables and baseline cognition and structural MRI. However, non-responders exhibited a higher baseline functional connectivity (FC) between the default-mode network (DMN) and the ventral attention network (VAN), compared with responders (p = 0.018) and HCs (p = 0.001). Conversely, responders exhibited no significant baseline differences in FC compared with HCs. Response to cognitive training was predicted by lower DMN-VAN FC (p = 0.004) and DMN-frontoparietal FC (p = 0.029) (Nagelkerke R2 = 0.25). Conclusion: An intact pre-intervention FC is associated with cognitive training responsivity in pwMS, suggesting a window of opportunity for successful cognitive interventions.
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Affiliation(s)
- Stefanos E Prouskas
- SE Prouskas Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Location VUmc, O2 building, 13W01, PO Box 7700, 1000 SN Amsterdam, The Netherlands. ; Twitter handle:@StefProuskas
| | - Menno M Schoonheim
- Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Marijn Huiskamp
- Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Martijn D Steenwijk
- Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Karin Gehring
- Department of Cognitive Neuropsychology, Tilburg University, Tilburg, The Netherlands/Department of Neurosurgery, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands
| | - Frederik Barkhof
- Department of Radiology and Nuclear Medicine, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands/Institutes of Neurology and Healthcare Engineering, UCL, London, UK
| | - Brigit A de Jong
- Department of Neurology, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Margriet M Sitskoorn
- Department of Cognitive Neuropsychology, Tilburg University, Tilburg, The Netherlands
| | - Jeroen JG Geurts
- Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Hanneke E Hulst
- Department of Anatomy and Neurosciences, MS Centre Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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Brandão PDMF, Lino TB, Oliveira RTD, Parra AV, Andrade PHM, Christofoletti G. Age, motor dysfunction and neuropsychiatric symptoms impact quality of life in multiple sclerosis. Rev Bras Enferm 2022; 75:e20210207. [PMID: 35674578 DOI: 10.1590/0034-7167-2021-0207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 02/11/2022] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES to investigate the impact of age, motor dysfunction and neuropsychiatric symptoms on the quality of life of people with multiple sclerosis in comparison to healthy peers. METHODS a total of 141 participants were tested in a single session. The assessments were composed by general questionnaires applied in both groups and by specific instruments restricted to multiple sclerosis. Multiple regression models were applied to assess relationships between predictors and outcome. RESULTS age, motor dysfunction and neuropsychiatric symptoms explained 56.6% of quality of life of the multiple sclerosis group. Age and neuropsychiatric symptoms explained 36.6% of quality of life in the control group. Age impacted more the multiple sclerosis group than the control group. Neuropsychiatric symptoms affected both groups similarly. Motor dysfunction impacted 21.9% of the quality of life in multiple sclerosis. CONCLUSIONS the predictors explained considerable variance of quality of life in multiple sclerosis, which should guide public health policies.
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Affiliation(s)
| | - Tayla Borges Lino
- Universidade Federal de Mato Grosso do Sul. Campo Grande, Mato Grosso do Sul, Brazil
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Guerrero S, Sánchez-Tirado E, Agüí L, González-Cortés A, Yáñez-Sedeño P, Pingarrón J. Monitoring autoimmune diseases by bioelectrochemical detection of autoantibodies. Application to the determination of anti-myelin basic protein autoantibodies in serum of multiple sclerosis patients. Talanta 2022; 243:123304. [DOI: 10.1016/j.talanta.2022.123304] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 01/02/2023]
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Riccio A, Schettini F, Galiotta V, Giraldi E, Grasso MG, Cincotti F, Mattia D. Usability of a Hybrid System Combining P300-Based Brain-Computer Interface and Commercial Assistive Technologies to Enhance Communication in People With Multiple Sclerosis. Front Hum Neurosci 2022; 16:868419. [PMID: 35721361 PMCID: PMC9204311 DOI: 10.3389/fnhum.2022.868419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 04/26/2022] [Indexed: 11/25/2022] Open
Abstract
Brain-computer interface (BCI) can provide people with motor disabilities with an alternative channel to access assistive technology (AT) software for communication and environmental interaction. Multiple sclerosis (MS) is a chronic disease of the central nervous system that mostly starts in young adulthood and often leads to a long-term disability, possibly exacerbated by the presence of fatigue. Patients with MS have been rarely considered as potential BCI end-users. In this pilot study, we evaluated the usability of a hybrid BCI (h-BCI) system that enables both a P300-based BCI and conventional input devices (i.e., muscular dependent) to access mainstream applications through the widely used AT software for communication “Grid 3.” The evaluation was performed according to the principles of the user-centered design (UCD) with the aim of providing patients with MS with an alternative control channel (i.e., BCI), potentially less sensitive to fatigue. A total of 13 patients with MS were enrolled. In session I, participants were presented with a widely validated P300-based BCI (P3-speller); in session II, they had to operate Grid 3 to access three mainstream applications with (1) an AT conventional input device and (2) the h-BCI. Eight patients completed the protocol. Five out of eight patients with MS were successfully able to access the Grid 3 via the BCI, with a mean online accuracy of 83.3% (± 14.6). Effectiveness (online accuracy), satisfaction, and workload were comparable between the conventional AT inputs and the BCI channel in controlling the Grid 3. As expected, the efficiency (time for correct selection) resulted to be significantly lower for the BCI with respect to the AT conventional channels (Z = 0.2, p < 0.05). Although cautious due to the limited sample size, these preliminary findings indicated that the BCI control channel did not have a detrimental effect with respect to conventional AT channels on the ability to operate an AT software (Grid 3). Therefore, we inferred that the usability of the two access modalities was comparable. The integration of BCI with commercial AT input devices to access a widely used AT software represents an important step toward the introduction of BCIs into the AT centers’ daily practice.
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Affiliation(s)
- Angela Riccio
- Neuroelectric Imaging and BCI Lab, Fondazione Santa Lucia (IRCCS), Rome, Italy
- Servizio Ausilioteca per la Riabilitazione Assistita con Tecnologia, Fondazione Santa Lucia (IRCCS), Rome, Italy
- *Correspondence: Angela Riccio,
| | - Francesca Schettini
- Neuroelectric Imaging and BCI Lab, Fondazione Santa Lucia (IRCCS), Rome, Italy
- Servizio Ausilioteca per la Riabilitazione Assistita con Tecnologia, Fondazione Santa Lucia (IRCCS), Rome, Italy
| | - Valentina Galiotta
- Neuroelectric Imaging and BCI Lab, Fondazione Santa Lucia (IRCCS), Rome, Italy
| | - Enrico Giraldi
- Neuroelectric Imaging and BCI Lab, Fondazione Santa Lucia (IRCCS), Rome, Italy
| | | | - Febo Cincotti
- Department of Computer, Control and Management Engineering Antonio Ruberti, Sapienza University of Rome, Rome, Italy
| | - Donatella Mattia
- Neuroelectric Imaging and BCI Lab, Fondazione Santa Lucia (IRCCS), Rome, Italy
- Servizio Ausilioteca per la Riabilitazione Assistita con Tecnologia, Fondazione Santa Lucia (IRCCS), Rome, Italy
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Chan A, Silván CV. Evidence-based management of multiple sclerosis spasticity with nabiximols oromucosal spray in clinical practice: a 10-year recap. Neurodegener Dis Manag 2022; 12:141-154. [PMID: 35377770 DOI: 10.2217/nmt-2022-0002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Effective symptomatic management of multiple sclerosis (MS) spasticity remains an unmet need for many patients. The second-line option nabiximols is the most widely investigated of the noninvasive antispasticity medications in this patient population. Clinical evidence accumulated with nabiximols since it was first approved in Europe in 2010 suggests that about 40% of initial responders (i.e., those with ≥20% improvement in their baseline 0-10 Numerical Rating Scale score) may expect to achieve clinically meaningful (≥30% Numerical Rating Scale response) and durable symptomatic improvement in MS spasticity. During 10 years' routine use of nabiximols, no new safety signals have emerged. Nabiximols-associated improvement in MS spasticity-related symptoms such as pain and sleep disruption suggests a need to track possible therapeutic effects beyond muscle tone control.
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Affiliation(s)
- Andrew Chan
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
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Neurological Benefits, Clinical Challenges, and Neuropathologic Promise of Medical Marijuana: A Systematic Review of Cannabinoid Effects in Multiple Sclerosis and Experimental Models of Demyelination. Biomedicines 2022; 10:biomedicines10030539. [PMID: 35327341 PMCID: PMC8945692 DOI: 10.3390/biomedicines10030539] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/20/2022] [Accepted: 02/21/2022] [Indexed: 12/22/2022] Open
Abstract
Despite current therapeutic strategies for immunomodulation and relief of symptoms in multiple sclerosis (MS), remyelination falls short due to dynamic neuropathologic deterioration and relapses, leading to accrual of disability and associated patient dissatisfaction. The potential of cannabinoids includes add-on immunosuppressive, analgesic, neuroprotective, and remyelinative effects. This study evaluates the efficacy of medical marijuana in MS and its experimental animal models. A systematic review was conducted by a literature search through PubMed, ProQuest, and EBSCO electronic databases for studies reported since 2007 on the use of cannabidiol (CBD) and delta-9-tetrahydrocannabinol (THC) in MS and in experimental autoimmune encephalomyelitis (EAE), Theiler’s murine encephalomyelitis virus-induced demyelinating disease (TMEV-IDD), and toxin-induced demyelination models. Study selection and data extraction were performed by 3 reviewers, and 28 studies were selected for inclusion. The certainty of evidence was appraised using the Cochrane GRADE approach. In clinical studies, there was low- and moderate-quality evidence that treatment with ~1:1 CBD/THC mixtures as a nabiximols (Sativex®) oromucosal spray reduced numerical rating scale (NRS) scores for spasticity, pain, and sleep disturbance, diminished bladder overactivity, and decreased proinflammatory cytokine and transcription factor expression levels. Preclinical studies demonstrated decreases in disease severity, hindlimb stiffness, motor function, neuroinflammation, and demyelination. Other experimental systems showed the capacity of cannabinoids to promote remyelination in vitro and by electron microscopy. Modest short-term benefits were realized in MS responders to adjunctive therapy with CBD/THC mixtures. Future studies are recommended to investigate the cellular and molecular mechanisms of cannabinoid effects on MS lesions and to evaluate whether medical marijuana can accelerate remyelination and retard the accrual of disability over the long term.
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Braun Janzen T, Koshimori Y, Richard NM, Thaut MH. Rhythm and Music-Based Interventions in Motor Rehabilitation: Current Evidence and Future Perspectives. Front Hum Neurosci 2022; 15:789467. [PMID: 35111007 PMCID: PMC8801707 DOI: 10.3389/fnhum.2021.789467] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/27/2021] [Indexed: 12/17/2022] Open
Abstract
Research in basic and clinical neuroscience of music conducted over the past decades has begun to uncover music’s high potential as a tool for rehabilitation. Advances in our understanding of how music engages parallel brain networks underpinning sensory and motor processes, arousal, reward, and affective regulation, have laid a sound neuroscientific foundation for the development of theory-driven music interventions that have been systematically tested in clinical settings. Of particular significance in the context of motor rehabilitation is the notion that musical rhythms can entrain movement patterns in patients with movement-related disorders, serving as a continuous time reference that can help regulate movement timing and pace. To date, a significant number of clinical and experimental studies have tested the application of rhythm- and music-based interventions to improve motor functions following central nervous injury and/or degeneration. The goal of this review is to appraise the current state of knowledge on the effectiveness of music and rhythm to modulate movement spatiotemporal patterns and restore motor function. By organizing and providing a critical appraisal of a large body of research, we hope to provide a revised framework for future research on the effectiveness of rhythm- and music-based interventions to restore and (re)train motor function.
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Affiliation(s)
- Thenille Braun Janzen
- Center of Mathematics, Computing and Cognition, Universidade Federal do ABC, São Bernardo do Campo, Brazil
| | - Yuko Koshimori
- Music and Health Science Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Brain Health Imaging Centre, CAMH, Toronto, ON, Canada
| | - Nicole M. Richard
- Music and Health Science Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Faculty of Music, Belmont University, Nashville, TN, United States
| | - Michael H. Thaut
- Music and Health Science Research Collaboratory, Faculty of Music, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- *Correspondence: Michael H. Thaut,
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Worsening physical functioning in patients with neuroinflammatory disease during the COVID-19 pandemic. Mult Scler Relat Disord 2022; 58:103482. [PMID: 35016114 PMCID: PMC8742609 DOI: 10.1016/j.msard.2021.103482] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/08/2021] [Accepted: 12/31/2021] [Indexed: 12/21/2022]
Abstract
Objective To quantify changes in psychological wellbeing and physical function as reported by people with neurological inflammatory disease (PwNID) during the COVID-19 pandemic. Methods 1134 PwNID and 868 control participants were recruited through five major academic medical centers in the Northeast/Mid-Atlantic U.S. beginning in April 2020. Participants completed serial surveys throughout the COVID-19 pandemic that aimed to quantify mood symptoms and physical function, analyzed cross-sectionally with a smaller cohort analyzed longitudinally. Results Throughout the pandemic, depression scores were not significantly different between PwNID and controls, although a higher proportion of PwNID reported clinically significant depression at study entry. Depression scores did not worsen over time for either group. Loneliness was the strongest predictor of worse depression, along with older age, male gender in both PwNID and controls, as well as lack of disease modifying therapy use, and disease duration in PwNID only. In contrast, physical disability worsened significantly over time for both PwNID and controls. Age, DMT status and comorbid health conditions emerged as significant predictors of physical function. Conclusions Depressive symptoms remained consistent for both PwNID and controls throughout the COVID-19 pandemic, but physical function worsened significantly over time for both groups. This is particularly impactful for PwNID, who have higher baseline levels of physical disability, and underscores the importance of reinstituting services and interventions that facilitate exercise and reconditioning for this population.
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Redlicka J, Zielińska-Nowak E, Lipert A, Miller E. The Relationship between Cognitive Dysfunction and Postural Stability in Multiple Sclerosis. Medicina (B Aires) 2021; 58:medicina58010006. [PMID: 35056313 PMCID: PMC8778709 DOI: 10.3390/medicina58010006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 10/25/2022] Open
Abstract
Background and Objectives: Multiple Sclerosis (MS) is a demyelinating disease of the central nervous system (CNS), most commonly characterized by balance dysfunction, fatigue syndrome and cognitive impairment. The goal of our study was to determine the association between cognitive functions and static posture control. Materials and Methods: The research group consisted of 76 randomized MS patients (ICDG 35.0) hospitalized at the Neurological Rehabilitation Clinic of the Medical University of Lodz. This group was divided into three subgroups according to the cognitive assessment based on the Mini Mental State Examination (MMSE) for patients over 65 years of age and the Montreal Cognitive Assessment (MoCA) under the age of 65. Fatigue syndrome was assessed using the Fatigue Severity Scale (FSS), and postural stability using a stabilometric platform. Results: The men demonstrated poorer stabilometric platform measurements than the women. Statistically significant differences were observed between patients without dysfunction and severe cognitive impairment. The results of the stabilometric platform were found to correlate with body mass index in all three groups of patients (Spearman’s test). Conclusions: Body mass index and cognition have impact on postural stability in MS patients with moderate disability and fatigue syndrome.
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Affiliation(s)
- Justyna Redlicka
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
| | - Ewa Zielińska-Nowak
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
| | - Anna Lipert
- Department of Sports Medicine, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland;
| | - Elżbieta Miller
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
- Correspondence:
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Denissen S, Chén OY, De Mey J, De Vos M, Van Schependom J, Sima DM, Nagels G. Towards Multimodal Machine Learning Prediction of Individual Cognitive Evolution in Multiple Sclerosis. J Pers Med 2021; 11:1349. [PMID: 34945821 PMCID: PMC8707909 DOI: 10.3390/jpm11121349] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 12/23/2022] Open
Abstract
Multiple sclerosis (MS) manifests heterogeneously among persons suffering from it, making its disease course highly challenging to predict. At present, prognosis mostly relies on biomarkers that are unable to predict disease course on an individual level. Machine learning is a promising technique, both in terms of its ability to combine multimodal data and through the capability of making personalized predictions. However, most investigations on machine learning for prognosis in MS were geared towards predicting physical deterioration, while cognitive deterioration, although prevalent and burdensome, remained largely overlooked. This review aims to boost the field of machine learning for cognitive prognosis in MS by means of an introduction to machine learning and its pitfalls, an overview of important elements for study design, and an overview of the current literature on cognitive prognosis in MS using machine learning. Furthermore, the review discusses new trends in the field of machine learning that might be adopted for future studies in the field.
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Affiliation(s)
- Stijn Denissen
- AIMS Laboratory, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, 1050 Brussels, Belgium; (J.D.M.); (J.V.S.); (D.M.S.); (G.N.)
- icometrix, 3012 Leuven, Belgium
| | - Oliver Y. Chén
- Faculty of Social Sciences and Law, University of Bristol, Bristol BS8 1QU, UK;
- Department of Engineering, University of Oxford, Oxford OX1 3PJ, UK
| | - Johan De Mey
- AIMS Laboratory, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, 1050 Brussels, Belgium; (J.D.M.); (J.V.S.); (D.M.S.); (G.N.)
- Department of Radiology, UZ Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Maarten De Vos
- Faculty of Engineering Science, KU Leuven, 3001 Leuven, Belgium;
- Faculty of Medicine, KU Leuven, 3001 Leuven, Belgium
| | - Jeroen Van Schependom
- AIMS Laboratory, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, 1050 Brussels, Belgium; (J.D.M.); (J.V.S.); (D.M.S.); (G.N.)
- Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Diana Maria Sima
- AIMS Laboratory, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, 1050 Brussels, Belgium; (J.D.M.); (J.V.S.); (D.M.S.); (G.N.)
- icometrix, 3012 Leuven, Belgium
| | - Guy Nagels
- AIMS Laboratory, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, 1050 Brussels, Belgium; (J.D.M.); (J.V.S.); (D.M.S.); (G.N.)
- icometrix, 3012 Leuven, Belgium
- St Edmund Hall, Queen’s Ln, Oxford OX1 4AR, UK
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Wiyani A, Badgujar L, Khurana V, Adlard N. How have Economic Evaluations in Relapsing Multiple Sclerosis Evolved Over Time? A Systematic Literature Review. Neurol Ther 2021; 10:557-583. [PMID: 34279847 PMCID: PMC8571458 DOI: 10.1007/s40120-021-00264-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/06/2021] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION The introduction of disease-modifying therapies (DMTs) for relapsing multiple sclerosis (RMS) over the last two decades has prompted the economic assessments of these treatments by reimbursement authorities. The aim of this systematic literature review was to evaluate the modeling approach and data sources used in economic evaluations of DMTs for RMS, identify differences and similarities, and explore how economic evaluation models have evolved over time. METHODS MEDLINE®, Embase®, and EBM Reviews databases were searched using Ovid® Platform from database inception on 25 December 2019 and subsequently updated on 17 February 2021. In addition, health technology assessment agency websites, key conference proceedings, and gray literature from relevant websites were screened. The quality of included studies was assessed using the Drummond and Philips checklists. RESULTS A total 155 publications and 30 Health Technology Assessment (HTA) reports were included. Most of these were cost-utility analysis (73 studies and 25 HTA reports) and funded by medicines manufacturers (n = 65). The top three countries where studies were conducted were the USA (n = 29), the UK (n = 16), and Spain (n = 10). Studies predominantly used Markov cohort models (94 studies; 25 HTAs) structured based on the Expanded Disability Status Scale (EDSS) with 21 health states (20 studies; 12 HTA reports). The London Ontario and British Columbia data sets were commonly used sources for natural history data (n = 33; n = 13). Twelve studies and ten HTAs from the UK assumed a waning of DMT effect over the long term, while this was uncommon in studies from other countries. Nineteen studies adjusted for multiple sclerosis (MS)-specific mortality estimates, while 18 studies used data from the national life table without adjustment. Studies prominently referred to mortality data that were about two decades old. The data on treatment effect was generally obtained from randomized controlled trials (43 studies; 7 HTAs) or from published evidence synthesis (23 studies; 24 HTAs). Utility estimates were derived from either published studies and/or supplemented with data from RCTs. Most of the models used the lifetime horizon (n = 37) with a 1-year cycle length (n = 63). CONCLUSION As expected, similarities as well as differences were observed across the different economic models. Available evidence suggests models should continue using the Markov cohort model with 21 EDSS-based states, however, allowing the transition to a lower EDSS state and assuming a sustained treatment effect. With reference to the data sources, models should consider using a contemporary MS-specific mortality data, recent natural history data, and country-specific utility data if available. In case of data unavailability, a sensitivity analysis using multiple sources of data should be conducted. In addition, future models should incorporate other clinically relevant outcomes, such as the cognition, vision, and psychological aspects of RMS, to be able to present the comprehensive value of DMTs.
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Affiliation(s)
- Anggie Wiyani
- Novartis Corporation (Malaysia) Sdn. Bhd., Petaling Jaya, Malaysia.
| | | | - Vivek Khurana
- Novartis Corporation (Malaysia) Sdn. Bhd., Petaling Jaya, Malaysia
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Correlation of the symbol digit modalities test with the quality of life and depression in Japanese patients with multiple sclerosis. Mult Scler Relat Disord 2021; 57:103427. [PMID: 34861614 DOI: 10.1016/j.msard.2021.103427] [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: 09/24/2021] [Revised: 11/16/2021] [Accepted: 11/21/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND This study aimed to evaluate the association between cognitive impairment and health-related quality of life (HRQOL), fatigue, and depression in Japanese patients with multiple sclerosis (MS). METHODS The Brief International Cognitive Assessment for MS (BICAMS) was performed in 184 Japanese patients with MS. The Functional Assessment of MS (FAMS), Fatigue Severity Scale (FSS), and Beck Depression Inventory-Second Edition (BDI-II) were used to evaluate HRQOL, fatigue, and depression, respectively. RESULTS Multiple linear regression analysis demonstrated positive correlations of the Symbol Digit Modalities Test (SDMT) with the scores on the FAMS subscales of mobility, symptoms, emotional well-being, and additional concerns and with the total FAMS score even after controlling for the Expanded Disability Status Scale score, age at examination, and duration of education. The SDMT score in the BICAMS battery had negative correlations with the BDI-II score, as revealed by multiple linear regression analysis. None of the three tests in the BICAMS had any correlation with the FSS score. CONCLUSION The SDMT has a significant relationship with HRQOL and depression in Japanese patients with MS.
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van der Walt A, Butzkueven H, Shin RK, Midaglia L, Capezzuto L, Lindemann M, Davies G, Butler LM, Costantino C, Montalban X. Developing a Digital Solution for Remote Assessment in Multiple Sclerosis: From Concept to Software as a Medical Device. Brain Sci 2021; 11:brainsci11091247. [PMID: 34573267 PMCID: PMC8471038 DOI: 10.3390/brainsci11091247] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/10/2021] [Accepted: 09/16/2021] [Indexed: 01/02/2023] Open
Abstract
There is increasing interest in the development and deployment of digital solutions to improve patient care and facilitate monitoring in medical practice, e.g., by remote observation of disease symptoms in the patients’ home environment. Digital health solutions today range from non-regulated wellness applications and research-grade exploratory instruments to regulated software as a medical device (SaMD). This paper discusses the considerations and complexities in developing innovative, effective, and validated SaMD for multiple sclerosis (MS). The development of SaMD requires a formalised approach (design control), inclusive of technical verification and analytical validation to ensure reliability. SaMD must be clinically evaluated, characterised for benefit and risk, and must conform to regulatory requirements associated with device classification. Cybersecurity and data privacy are also critical. Careful consideration of patient and provider needs throughout the design and testing process help developers overcome challenges of adoption in medical practice. Here, we explore the development pathway for SaMD in MS, leveraging experiences from the development of Floodlight™ MS, a continually evolving bundled solution of SaMD for remote functional assessment of MS. The development process will be charted while reflecting on common challenges in the digital space, with a view to providing insights for future developers.
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Affiliation(s)
- Anneke van der Walt
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC 3004, Australia;
- The Alfred, Melbourne, VIC 3004, Australia
- Correspondence: ; Tel.: +61-3-99030555
| | - Helmut Butzkueven
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC 3004, Australia;
| | - Robert K. Shin
- MedStar Georgetown University Hospital, Washington, DC 20007, USA;
| | - Luciana Midaglia
- Servei de Neurologia-Neuroimmunologia, Centre d’Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d’Hebron (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain;
| | - Luca Capezzuto
- F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (L.C.); (M.L.); (G.D.); (L.M.B.); (C.C.)
| | - Michael Lindemann
- F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (L.C.); (M.L.); (G.D.); (L.M.B.); (C.C.)
| | - Geraint Davies
- F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (L.C.); (M.L.); (G.D.); (L.M.B.); (C.C.)
| | - Lesley M. Butler
- F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (L.C.); (M.L.); (G.D.); (L.M.B.); (C.C.)
| | - Cristina Costantino
- F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (L.C.); (M.L.); (G.D.); (L.M.B.); (C.C.)
| | - Xavier Montalban
- Multiple Sclerosis Centre of Catalonia (Cemcat), Department of Neurology/Neuroimmunology, Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain;
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Redlicka J, Zielińska-Nowak E, Lipert A, Miller E. Impact of Moderate Individually Tailored Physical Activity in Multiple Sclerosis Patients with Fatigue on Functional, Cognitive, Emotional State, and Postural Stability. Brain Sci 2021; 11:brainsci11091214. [PMID: 34573235 PMCID: PMC8470948 DOI: 10.3390/brainsci11091214] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 12/22/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic disease, with fatigue syndrome as one of the main symptoms. The aim of this study was to demonstrate that moderate physical activity (MPA) may have a beneficial effect on postural stability, balance, and clinical parameters. The research group consisted of 137 randomized patients hospitalized at the Department of Neurological Rehabilitation, Medical University of Lodz. Finally, 76 patients were qualified who were divided into two groups—high fatigue (HF) and low fatigue (LF). Participants were assessed twice: before and after a 4-week MPA program using: the Expanded Disability Status Scale (EDSS), the Fatigue Severity Scale (FSS), the Mini-Mental State Examination (MMSE), the Montreal Cognitive Assessment (MoCA), the Beck Depression Inventory (BDI), and the Geriatric Depression Scale (GDS), and stabilometric platform tests were performed. Results obtained after the 4-week MPA program showed a positive effect of the MPA with differences between LF and HF groups. The MPA was more effective in MS patients with LF in cognitive functions, functional status, and postural stability but among HF patients in an emotional state, especially in MS patients below 65 years, although in total, both groups benefited from the MPA.
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Affiliation(s)
- Justyna Redlicka
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
| | - Ewa Zielińska-Nowak
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
| | - Anna Lipert
- Department of Sports Medicine, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland;
| | - Elżbieta Miller
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland; (J.R.); (E.Z.-N.)
- Correspondence:
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Krajnc N, Bsteh G, Berger T. Clinical and Paraclinical Biomarkers and the Hitches to Assess Conversion to Secondary Progressive Multiple Sclerosis: A Systematic Review. Front Neurol 2021; 12:666868. [PMID: 34512500 PMCID: PMC8427301 DOI: 10.3389/fneur.2021.666868] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 07/06/2021] [Indexed: 12/11/2022] Open
Abstract
Conversion to secondary progressive (SP) course is the decisive factor for long-term prognosis in relapsing multiple sclerosis (MS), generally considered the clinical equivalent of progressive MS-associated neuroaxonal degeneration. Evidence is accumulating that both inflammation and neurodegeneration are present along a continuum of pathologic processes in all phases of MS. While inflammation is the prominent feature in early stages, its quality changes and relative importance to disease course decreases while neurodegenerative processes prevail with ongoing disease. Consequently, anti-inflammatory disease-modifying therapies successfully used in relapsing MS are ineffective in SPMS, whereas specific treatment for the latter is increasingly a focus of MS research. Therefore, the prevention, but also the (anticipatory) diagnosis of SPMS, is of crucial importance. The problem is that currently SPMS diagnosis is exclusively based on retrospectively assessing the increase of overt physical disability usually over the past 6–12 months. This inevitably results in a delay of diagnosis of up to 3 years resulting in periods of uncertainty and, thus, making early therapy adaptation to prevent SPMS conversion impossible. Hence, there is an urgent need for reliable and objective biomarkers to prospectively predict and define SPMS conversion. Here, we review current evidence on clinical parameters, magnetic resonance imaging and optical coherence tomography measures, and serum and cerebrospinal fluid biomarkers in the context of MS-associated neurodegeneration and SPMS conversion. Ultimately, we discuss the necessity of multimodal approaches in order to approach objective definition and prediction of conversion to SPMS.
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Affiliation(s)
- Nik Krajnc
- Department of Neurology, Medical University of Vienna, Vienna, Austria.,Department of Neurology, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Gabriel Bsteh
- Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Thomas Berger
- Department of Neurology, Medical University of Vienna, Vienna, Austria
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47
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Giedraitiene N, Drukteiniene E, Kizlaitiene R, Cimbalas A, Asoklis R, Kaubrys G. Cognitive Decline in Multiple Sclerosis Is Related to the Progression of Retinal Atrophy and Presence of Oligoclonal Bands: A 5-Year Follow-Up Study. Front Neurol 2021; 12:678735. [PMID: 34326806 PMCID: PMC8315759 DOI: 10.3389/fneur.2021.678735] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/14/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Brain atrophy, which is associated with cognitive impairment and retinal nerve fiber layer (RNFL) atrophy, is the main biomarker of neurodegeneration in multiple sclerosis (MS). However, data on the relationship between inflammatory markers, such as oligoclonal bands (OCBs) in the cerebrospinal fluid (CSF), and cognition, RNFL atrophy, and brain atrophy are scarce. The aim of this study was to assess the influence of RNFL thickness, brain atrophy markers, intrathecal OCBs, and the immunoglobulin G (IgG) index on cognitive decline over a 5-year period in patients with MS. Methods: This prospective, single-center, observational cohort study included 49 patients with relapsing MS followed up over 5 years. At baseline, the patients underwent brain magnetic resonance imaging (MRI). Cognitive evaluation was performed using the Brief International Cognitive Assessment for MS (BICAMS), and RNFL thickness was assessed using optical coherence tomography (OCT). OCBs and IgG levels in the CSF were evaluated at baseline. The BICAMS, OCT, and MRI findings were re-evaluated after 5 years. Results: A significant reduction in information processing speed, visual learning, temporal RNFL thickness, the Huckman index, and third ventricle mean diameter was found in all 49 patients with relapsing MS over the observation period (p < 0.05). Of the patients, 63.3% had positive OCBs and 59.2% had elevated IgG indices. The atrophy of the temporal segment and papillomacular bundle and the presence of OCBs were significantly related to a decline in information processing speed in these patients (p < 0.05). However, brain atrophy markers were not found to be significant on the general linear models. Conclusions: RNFL atrophy and the presence of OCBs were related to cognitive decline in patients with MS over a 5-year follow-up period, thereby suggesting their utility as potential biomarkers of cognitive decline in MS.
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Affiliation(s)
- Natasa Giedraitiene
- Center of Neurology, Clinic of Neurology and Neurosurgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Egle Drukteiniene
- Center of Eye Diseases, Clinic of Ear, Nose, Throat, and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Rasa Kizlaitiene
- Center of Neurology, Clinic of Neurology and Neurosurgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Andrius Cimbalas
- Center of Eye Diseases, Clinic of Ear, Nose, Throat, and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Rimvydas Asoklis
- Center of Eye Diseases, Clinic of Ear, Nose, Throat, and Eye Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Gintaras Kaubrys
- Center of Neurology, Clinic of Neurology and Neurosurgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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Lozano-Soto E, Cruz-López ÁJ, Gutiérrez R, González M, Sanmartino F, Rashid-Lopez R, Espinosa-Rosso R, Forero L, González-Rosa JJ. Predicting Neuropsychological Impairment in Relapsing Remitting Multiple Sclerosis: The Role of Clinical Measures, Treatment, and Neuropsychiatry Symptoms. Arch Clin Neuropsychol 2021; 36:475-484. [PMID: 33067616 DOI: 10.1093/arclin/acaa088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2020] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE This retrospective observational study aimed to define neuropsychological impairment (NI) profiles and determine the influence of clinical, demographic, and neuropsychiatric measures in specific cognitive domains in a cohort of relapsing-remitting multiple sclerosis (RRMS) patients. METHODS Ninety-one RRMS patients underwent a neurological examination and a brief neuropsychological assessment. Patients were classified according to the disease-modifying therapies (DMTs) received (platform or high-efficacy). Differences between groups and multiple regression analyses were performed to determine the predictive value of the assessed measures in cognitive performance. RESULTS More than two-thirds of the patients showed NI. Specifically, mild to moderate NI was presented in approximately half of the participants. Paced Auditory Serial Addition Test (PASAT-3) and Symbol Digit Modalities Test (SDMT) were the most frequently impaired cognitive tests (45.3% and 41.3%, respectively) followed by phonemic verbal fluency (PVF) (27.8%). Expanded Disability Status Scale (EDSS), age, depressive symptoms, and disease duration were the best predictors of SDMT (R2 = .34; p < .01), whereas disease duration, EDSS, and anxiety-state levels predicted PASAT-3 (R2 = .33, p < .01). Educational level, age, EDSS, and depressive symptoms demonstrated the strongest association with PVF (R2 = .31, p < .01). CONCLUSIONS Our results indicated a significant prevalence of NI in RRMS patients that was not dependent on the DMT type. In addition to the meaningful working memory (PASAT-3) and information processing speed (SDMT) impairments found, PVF deficits may also be an important marker of cognitive impairment in RRMS patients. This study supports the relevance of standard clinical measures and reinforces the importance of quantifying clinical and neuropsychiatric symptoms to predict subsequent cognitive performance on a similar multiple sclerosis phenotype and disease stage.
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Affiliation(s)
- Elena Lozano-Soto
- Psychophysiology and Neuroimaging Group, Institute of Biomedical Research and Innovation of Cádiz (INiBICA), Cádiz, Spain
| | | | - Rafael Gutiérrez
- Neurology Department, Puerta del Mar University Hospital, Cádiz, Spain
| | - Macarena González
- Neurology Department, Puerta del Mar University Hospital, Cádiz, Spain
| | - Florencia Sanmartino
- Psychophysiology and Neuroimaging Group, Institute of Biomedical Research and Innovation of Cádiz (INiBICA), Cádiz, Spain
| | - Raúl Rashid-Lopez
- Neurology Department, Puerta del Mar University Hospital, Cádiz, Spain
| | | | - Lucía Forero
- Neurology Department, Puerta del Mar University Hospital, Cádiz, Spain
| | - Javier J González-Rosa
- Psychophysiology and Neuroimaging Group, Institute of Biomedical Research and Innovation of Cádiz (INiBICA), Cádiz, Spain.,Institute of Biomedical Research and Innovation of Cádiz (INiBICA), Cádiz, Spain
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49
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Fenu G, Lorefice L, Carta E, Arru M, Carta A, Fronza M, Coghe G, Frau J, Contu F, Barracciu MA, Cocco E. Brain Volume and Perception of Cognitive Impairment in People With Multiple Sclerosis and Their Caregivers. Front Neurol 2021; 12:636463. [PMID: 34025550 PMCID: PMC8136416 DOI: 10.3389/fneur.2021.636463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/24/2021] [Indexed: 01/07/2023] Open
Abstract
Background: Cognitive impairment (CI) is common in people with multiple sclerosis (pwMS). The assessment of CI is based on neuropsychological tests and accurate anamnesis, involving the patients and caregivers (CG). This study aimed to assess the complex interplay between self-perception of CI, objective CI and the brain atrophy of MS patients, also exploring the possible differences with CI evaluated by caregivers. Methods: Relapsing pwMS were enrolled in this study. Subjects underwent neuropsychological examination using the Brief Cognitive Assessment for Multiple Sclerosis (BICAMS) and evaluation of self-reported cognitive status using the patient-version of the Multiple Sclerosis Neuropsychological Questionnaire (p-MSNQ). Depression and anxiety were also evaluated using the Back Depression Inventory-version II (BDI-II) and Zung Anxiety Scale. Brain MRI images were acquired and brain volumes estimated. For each patient that was enrolled, we spoke to a caregiver and collected their perception of the patient's CI using the MSNQ- Caregiver version. Results: Ninety-five MS subjects with their caregivers were enrolled. CI was detected in 51 (53.7%) patients. We found a significant correlation (p < 0.001) between BICAMS T scores and lower whole brain (Rho = 0.51), gray matter (Rho = 0.54), cortical gray matter (Rho = 0.51) volumes and lower p-MSNQ (Rho = 0.31), and cg-MSNQ (Rho = 0.41) scores. Multivariate logistic regression showed that p-MSNQ is related to a patient's anxiety to evaluate by Zung Score (p < 0.001) while cg-MSNQ to patient's brain volume (p = 0.01). Conclusion: Our data confirm that neuropsychological evaluation results are related to the perception of CI and brain volume measures and highlight the importance of the caregiver's perception for cognitive assessment of pwMS.
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Affiliation(s)
- Giuseppe Fenu
- Multiple Sclerosis Center, Binaghi Hospital, Azienda Tutela della Salute (ATS) Sardegna, Cagliari, Italy
| | - Lorena Lorefice
- Multiple Sclerosis Center, Binaghi Hospital, Azienda Tutela della Salute (ATS) Sardegna, Cagliari, Italy
| | - Elisa Carta
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Mauro Arru
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Alice Carta
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Marzia Fronza
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Giancarlo Coghe
- Multiple Sclerosis Center, Binaghi Hospital, Azienda Tutela della Salute (ATS) Sardegna, Cagliari, Italy
| | - Jessica Frau
- Multiple Sclerosis Center, Binaghi Hospital, Azienda Tutela della Salute (ATS) Sardegna, Cagliari, Italy
| | - Franco Contu
- Radiology Unit, Binaghi Hospital, Azienda Tutela della Salute (ATS) Sardegna, Cagliari, Italy
| | | | - Eleonora Cocco
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
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50
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Doskas T, Vavougios GD, Karampetsou P, Kormas C, Synadinakis E, Stavrogianni K, Sionidou P, Serdari A, Vorvolakos T, Iliopoulos I, Vadikolias Κ. Neurocognitive impairment and social cognition in multiple sclerosis. Int J Neurosci 2021; 132:1229-1244. [PMID: 33527857 DOI: 10.1080/00207454.2021.1879066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE/AIM OF THE STUDY The impairment of neurocognitive functions occurs in all subtypes of multiple sclerosis, even from the earliest stages of the disease. Commonly reported manifestations of cognitive impairment include deficits in attention, conceptual reasoning, processing efficiency, information processing speed, memory (episodic and working), verbal fluency (language), and executive functions. Multiple sclerosis patients also suffer from social cognition impairment, which affects their social functioning. The objective of the current paper is to assess the effect of neurocognitive impairment and its potential correlation with social cognition performance and impairment in multiple sclerosis patients. MATERIALS AND METHODS An overview of the available-to-date literature on neurocognitive impairment and social cognition performance in multiple sclerosis patients by disease subtype was performed. RESULTS It is not clear if social cognition impairment occurs independently or secondarily to neurocognitive impairment. There are associations of variable strengths between neurocognitive and social cognition deficits and their neural basis is increasingly investigated. CONCLUSIONS The prompt detection of neurocognitive predictors of social cognition impairment that may be applicable to all multiple sclerosis subtypes and intervention are crucial to prevent further neural and social cognition decline in multiple sclerosis patients.
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Affiliation(s)
- Triantafyllos Doskas
- Department of Neurology, Athens Naval Hospital, Athens, Greece.,Department of Neurology, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | | | | | | | | | | | | | - Aspasia Serdari
- Department of Psychiatry, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Theofanis Vorvolakos
- Department of Psychiatry, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Ioannis Iliopoulos
- Department of Neurology, University Hospital of Alexandroupolis, Alexandroupolis, Greece
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