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1.
BMC Neurol ; 24(1): 224, 2024 Jun 28.
Artigo em Inglês | MEDLINE | ID: mdl-38943063

RESUMO

BACKGROUND: Neuropsychological symptoms in the Cognitive, Energetic, Behavioural, and Affective (CEBA) domains are common in people with multiple sclerosis (PwMS) and can negatively affect societal participation. The current study aims to investigate whether there are combinations of symptoms in the different CEBA domains that consistently occur together, that is, if there are CEBA profiles that can be identified. If so, this study aims to develop a screening instrument identifying CEBA profiles in PwMS to select the most suitable neuropsychological rehabilitation treatment for a given CEBA profile and consequently improve the societal participation of PwMS. METHODS: This study is an observational, prospective cohort study consisting of 3 phases. Phase 1 focuses on the identification of CEBA profiles in a large sample of PwMS (n = 300). Phase 2 focuses on validating these CEBA profiles through replication of results in a new sample (n = 100) and on the development of the screening instrument. Phase 3 focuses on qualitatively evaluating in a small group of PwMS whether the selected treatment is suitable for the given CEBA profile or whether existing neuropsychological treatments should be adapted to meet the needs of PwMS suffering from symptoms in multiple CEBA domains simultaneously. Primary outcome is the CEBA profile, which will be derived from performance on neuropsychological assessment consisting of tests and questionnaires regarding the CEBA domains using a latent profile analysis. Inclusion criteria include MS diagnosis, sufficient ability in the Dutch language, and an age between 18 and 70 years. DISCUSSION: The results of the current study will contribute to a more comprehensive understanding of the entire spectrum of neuropsychological symptoms in PwMS. Identification of possible CEBA profiles, and accordingly, the development of a screening instrument determining the CEBA profile of PwMS in clinical practice, contributes to the timely referral of PwMS to the most suitable neuropsychological rehabilitation treatment. If necessary, adjustments to existing treatments will be suggested in order to sufficiently meet the needs of PwMS. All of this with the ultimate aim to improve societal participation, and thereby quality of life, of PwMS. TRIAL REGISTRATION: Dutch Central Committee on Research Involving Human Subjects (CCMO) NL83954.042.23; ClinicalTrials.gov NCT06016309.


Assuntos
Esclerose Múltipla , Humanos , Esclerose Múltipla/psicologia , Esclerose Múltipla/complicações , Esclerose Múltipla/diagnóstico , Estudos Prospectivos , Testes Neuropsicológicos/estatística & dados numéricos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Estudos de Coortes
2.
Neurol Sci ; 40(12): 2555-2564, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31321625

RESUMO

BACKGROUND: Cognitive functioning has been linked to employment outcomes in multiple sclerosis (MS) in cross-sectional studies. Longitudinal studies are however lacking and previous studies did not extensively examine executive functioning. OBJECTIVES: We examined whether baseline cognitive functioning predicts a change in employment status after 2 years, while taking into account mood, fatigue and disability level. METHODS: A total of 124 patients with relapsing-remitting MS (pwMS) and 60 healthy controls were included. They underwent neurological and neuropsychological examinations and completed online questionnaires. PwMS were divided into a stable and deteriorated employment status group (SES and DES), based on employment status 2 years after baseline. We first examined baseline differences between the SES and DES groups in cognitive functioning, mood, fatigue and disability level. A logistic regression analysis was performed, with change in employment status (SES/DES) as dependent variable. RESULTS: The DES group included 22% pwMS. Group differences were found in complex attention, executive functioning, self-reported cognitive functioning, fatigue and physical disability. More physical disability (OR = 1.90, p = 0.01) and lower executive functioning (OR = 0.30, p = 0.03) were retained as independent predictors of DES (R2 = 0.22, p ≤ 0.001). CONCLUSIONS: Baseline physical disability and executive functioning, but none of the other variables, moderately predicted a deterioration in employment status 2 years later. TRIAL REGISTRATION: This observational study is registered under NL43098.008.12: 'Voorspellers van arbeidsparticipatie bij mensen met relapsing-remitting Multiple Sclerose'. This study is registered at the Dutch CCMO register (https://www.toetsingonline.nl).


Assuntos
Atenção/fisiologia , Disfunção Cognitiva/fisiopatologia , Emprego , Função Executiva/fisiologia , Fadiga/fisiopatologia , Esclerose Múltipla Recidivante-Remitente/fisiopatologia , Índice de Gravidade de Doença , Adulto , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Adulto Jovem
3.
Pulm Circ ; 13(2): e12246, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-37284521

RESUMO

Muscle strength is decreased in adults with pulmonary arterial hypertension (PAH). We aim to investigate muscle strength in children with PAH in relation to a cohort of healthy children, and investigate correlations with disease severity markers. This prospective study included children with PAH aged 4-18 years, who visited the Dutch National Referral Center for Pulmonary Hypertension in Childhood between October 2015 and March 2016. Muscle strength was assessed using handgrip strength and maximum voluntary isometric contractility (MVIC) of four peripheral muscles. Dynamic muscle function was evaluated with the Bruininks-Oseretsky test of motor proficiency (BOT-2). These measurements were compared with those in two cohorts of healthy children and correlated with 6-minute walk distance (6MWD), World Health Organization functional class (WHO-FC), N-terminal pro-brain natriuretic peptide (NT-proBNP), and time since diagnosis. Eighteen children with PAH aged 14.0 [interquartile range: 9.9-16.0] years showed reduced muscle strength. Handgrip strength z-score -2.4 ± 1.2, p < 0.001, total MVIC z-score -2.9 ± 1.2, p < 0.001, and BOT-2 z-score -1.0 ± 0.9, p < 0.001. 6MWD (67 ± 11% predicted) correlated with most muscle measurements (r = 0.49-0.71, p = 0.001). Dynamic muscle function (BOT-2) differed between WHO-FC, whereas handgrip strength and MVIC did not. NT-proBNP and time since diagnosis did not show significant correlations with muscle strength measurements. Muscle strength was significantly reduced in children with PAH and correlated with 6MWD, but not with disease severity markers WHO-FC and NT-pro-BNP. The nature of this reduced muscle strength is yet unclear, but its occurrence in children with seemingly mild or well-controlled PAH supports the concept of PAH being a systemic syndrome involving peripheral skeletal muscles.

4.
Disabil Rehabil ; 44(23): 7096-7105, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-34607481

RESUMO

PURPOSE: This study aimed to identify mental health, physical health, demographic and disease characteristics relating to work productivity in people with multiple sclerosis (MS). METHODS: In this cross-sectional study, 236 employed people with MS (median age = 42 years, 78.8% female) underwent neurological and neuropsychological assessments. Additionally, they completed questionnaires inquiring about work productivity (presenteeism: reduced productivity while working, and absenteeism: loss of productivity due to absence from work), mental and physical health, demographic and disease characteristics. Multiple linear and logistic regression analyses were performed with presenteeism and absenteeism as dependent variables, respectively. RESULTS: A model with mental and physical health factors significantly predicted presenteeism F(11,202) = 11.33, p < 0.001, R2 = 0.38; a higher cognitive (p < 0.001) and physical impact (p = 0.042) of fatigue were associated with more presenteeism. A model with only mental health factors significantly predicted absenteeism; χ2(11)=37.72, p < 0.001, with R2 = 0.27 (Nagelkerke) and R2 = 0.16 (Cox and Snell). Specifically, we observed that more symptoms of depression (p = 0.041) and a higher cognitive impact of fatigue (p = 0.011) were significantly associated with more absenteeism. CONCLUSIONS: In people with MS, both cognitive and physical impact of fatigue are positively related to presenteeism, while symptoms of depression and cognitive impact of fatigue are positively related to absenteeism.Implications for rehabilitationMultiple sclerosis (MS) affects people of working age, significantly interfering with work productivity.Higher cognitive and physical impact of fatigue were associated with more presenteeism in workers with MS.A higher cognitive impact of fatigue and more depressive symptoms were associated with absenteeism in workers with MS.Occupational and healthcare professionals should be aware of the impact of both physical and mental health on work productivity in workers with MS.


Assuntos
Esclerose Múltipla , Feminino , Humanos , Adulto , Masculino , Autorrelato , Esclerose Múltipla/complicações , Esclerose Múltipla/psicologia , Estudos Transversais , Eficiência , Fadiga/complicações
5.
Disabil Rehabil ; 43(13): 1924-1933, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-31702954

RESUMO

PURPOSE: The current study aimed to evaluate the psychometric properties of the Dutch version of the Multiple Sclerosis Work Difficulties Questionnaire-23 (MSWDQ-23). METHODS: Two hundred and thirty-nine employed persons with multiple sclerosis (MS) and 59 healthy controls completed the MSWDQ-23. To verify the factor structure, a confirmatory factor analysis was conducted. To assess construct validity, the MSWDQ-23 scores were correlated to measures of physical disability, fatigue, cognitive and neuropsychiatric problems, depression, health-related quality of life, and work-related variables. MSWDQ-23 scores were compared within different age groups, gender, education levels, and job types. Predictive validity was assessed using a logistic regression analysis to predict a deterioration in employment status after one year based on MSWDQ-23 scores. RESULTS: The internal consistency of the MSWDQ-23 was acceptable (α = 0.913, 95% CI = 0.897-0.928) and the results indicated a fair fit. The MSWDQ-23 showed acceptable construct validity, confirming 94% of the hypotheses. The total scale and the psychological/cognitive subscale were able to predict a deterioration in employment status after one year (χ2(1)=18.164, p < 0.001). CONCLUSIONS: The Dutch version of the MSWDQ-23 is a valid and internally consistent instrument to measure self-reported work difficulties in persons with MS.Implications for rehabilitationThe Dutch version of the 23-item Multiple Sclerosis Work Difficulties Questionnaire (MSWDQ-23) is a reliable and valid tool to measure self-reported work difficulties in people with multiple sclerosis (MS).More psychological and cognitive work difficulties are predictive of a deteriorated employment status after one year.The MSWDQ-23 is a helpful tool for researchers and (occupational) health professionals to identify current work difficulties in persons with MS and identify persons at risk for a deterioration in employment one year later.


Assuntos
Esclerose Múltipla Recidivante-Remitente , Esclerose Múltipla , Emprego , Humanos , Qualidade de Vida , Reprodutibilidade dos Testes , Inquéritos e Questionários
6.
Arch Neurol ; 62(1): 128-32, 2005 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-15642859

RESUMO

BACKGROUND: Prednisone treatment is used to prolong ambulation in patients with Duchenne muscular dystrophy (DMD). However, since severe adverse effects often accompany prednisone treatment, it is debatable whether the benefits of prednisone treatment outweigh its adverse effects. OBJECTIVES: To study the effects of prednisone on muscle function and to determine the extent of steroid-related adverse effects and their influence on the quality of life of ambulant patients with DMD. DESIGN: A randomized, placebo-controlled, crossover trial with 6 months of treatment: prednisone or placebo (0.75 mg/kg daily) during the first 10 days of each month. After a washout period of 2 months, patients received the other regimen for an additional 6 months. SETTING: University hospital and rehabilitation center in the Netherlands. PATIENTS: Seventeen ambulant patients with DMD aged 5 to 8 years. MAIN OUTCOME MEASURE: Change in muscle function assessed by timed functional testing: running 9 m, climbing 4 standard-sized stairs, and rising from the floor to a standing position. RESULTS: The increase in time needed to run 9 m (P = .005) and to climb 4 standard-sized stairs (P = .02) was significantly lower during the prednisone period. CONCLUSIONS: Prednisone slowed deterioration of muscle function and muscle force in ambulant patients with DMD. Although adverse effects were present, patient quality of life was not affected. Therefore, short-term prednisone treatment can be recommended to preserve motor functions in ambulant patients with DMD.


Assuntos
Anti-Inflamatórios/uso terapêutico , Distrofia Muscular de Duchenne/tratamento farmacológico , Prednisona/uso terapêutico , Criança , Pré-Escolar , Estudos Cross-Over , Método Duplo-Cego , Esquema de Medicação , Seguimentos , Humanos , Masculino , Músculo Esquelético/efeitos dos fármacos , Exame Neurológico , Fatores de Tempo , Resultado do Tratamento
7.
Eur J Paediatr Neurol ; 9(6): 387-93, 2005.
Artigo em Inglês | MEDLINE | ID: mdl-16102988

RESUMO

Neuromuscular disorders are characterised by progressive muscle weakness, which in time causes functional impairment. To quantify the extent of disease progression, muscle force and functional ability can be measured. Which of these parameters changes most depends on the disease stage. In a previous study, we reported normal values for muscle force obtained by hand-held dynamometry in healthy children aged 4-16 years. In the present study, we report normal values for timed functional tests in healthy children aged 4-11 years. These normal values were compared with values obtained in 16 ambulant patients with Duchenne muscular dystrophy (DMD) aged 5-8 years to study the extent of functional impairment. In ambulant patients with DMD, we found that muscle function assessed by timed functional tests (running 9 m and rising up from the floor) and muscle force assessed by hand-held dynamometry were severely impaired. However, a small reduction of muscle force was accompanied by a large reduction in functional ability. Therefore, in our group of ambulant patients with DMD, timed functional testing was the most sensitive parameter to determine the extent of disease progression. Timed functional testing may therefore be considered as an additional outcome measure in drug trials to evaluate the effects of therapy in ambulant patients with DMD and possibly in other neuromuscular disorders.


Assuntos
Músculo Esquelético/fisiopatologia , Distrofia Muscular de Duchenne/fisiopatologia , Envelhecimento/fisiologia , Tornozelo/fisiologia , Índice de Massa Corporal , Criança , Pré-Escolar , Progressão da Doença , Feminino , Lateralidade Funcional/fisiologia , Humanos , Masculino , Valores de Referência , Corrida
8.
Ultrasound Med Biol ; 30(8): 1017-27, 2004 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-15474744

RESUMO

In this study, 105 healthy children (45 to 156 months old, 57 girls) were examined using ultrasound (US) imaging to obtain reference values of muscle dimensional and aspect parameters. We measured biceps and quadriceps sizes and subcutaneous tissue thickness. To quantify muscle aspect, we calculated muscle density, inhomogeneity and white-area index by digital image analysis. Age-, weight- and gender-dependencies were discussed. We demonstrated earlier that the complete set of parameters allows for differentiation between myopathies and neuropathies in adults, with high sensitivity. In this study, we investigated if these parameters have additional value in the diagnostic evaluation of 36 children with proven neuromuscular disease (20 Duchenne muscular dystrophy, 16 neuropathies). We found that density analysis provides a sensitive method for distinguishing between healthy children and children with neuromuscular disorders. We have also found that more detailed aspect analysis is necessary to further distinguish between these types of neuromuscular disorders in children. In conclusion, this set of normal muscle parameters can be used to help diagnose neuromuscular disorders in children. It will also facilitate follow-up in disease progression and therapy.


Assuntos
Músculo Esquelético/diagnóstico por imagem , Doenças Neuromusculares/diagnóstico por imagem , Adolescente , Braço/diagnóstico por imagem , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Valor Preditivo dos Testes , Valores de Referência , Coxa da Perna/diagnóstico por imagem , Ultrassonografia
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