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BACKGROUND: Neuromyelitis optica spectrum disorders (NMOSD) are autoantibody-mediated inflammatory diseases of the central nervous system predominantly targeting optic nerves and the spinal cord. Two distinct phenotypes are recognized based on the presence of serum aquaporin-4 (AQP4-IgG) antibodies. However, contrasting clinical course patterns have been identified between AQP4-IgG-positive and AQP4-IgG-negative patients. AIMS: This study aimed to present demographic and clinical characteristics of patients with NMOSD in Slovakia and to evaluate the significance of differences between AQP4-IgG-seropositive and AQP4-IgG-seronegative patients. METHODS: We performed a longitudinal multi-centric retrospective study and analysed the clinical and demographic characteristics of a cohort of 63 Slovak NMOSD patients. RESULTS: Eighty-six percent of patients were women, and ninety-four patients were Caucasian. The median age at diagnosis was 37 years. The most frequent initial manifestations were optic neuritis (47.6% of patients) and transverse myelitis (39.7% of patients). The median EDSS score deteriorated from the initial 3.0 to 4.0 at the last follow-up. Sixty-eight percent of patients were AQP4-IgG positive; 10% of patients were MOG-IgG positive; 27% of patients had no NMOSD-specific antibodies detected. There was a higher prevalence of autoimmune thyroiditis among AQP4-IgG-positive patients (25.6%) compared to AQP4-IgG-negative patients (0%) (p = 0.01). CONCLUSION: This study provides a detailed overview of the clinical and demographic characteristics of NMOSD based on a retrospective analysis of a Slovak cohort of 63 NMOSD patients and extends information provided by similar recently published studies. The most important finding is that there is a high prevalence of autoimmune thyroiditis among AQP4-IgG-negative patients (25%).
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Enfermedad de Hashimoto , Neuromielitis Óptica , Humanos , Femenino , Adulto , Masculino , Estudios Retrospectivos , Eslovaquia/epidemiología , Glicoproteína Mielina-Oligodendrócito , Acuaporina 4 , Autoanticuerpos , Inmunoglobulina G , DemografíaRESUMEN
Background and Objectives: Neurofilament light chain (NfL) is a sensitive biomarker of neuroaxonal damage. This study aimed to assess the relationship between the annual change in plasma NfL (pNfL) and disease activity in the past year, as defined by the concept no evidence of disease activity (NEDA) in a cohort of multiple sclerosis (MS) patients. Materials and Methods: Levels of pNfL (SIMOA) were examined in 141 MS patients and analyzed in relationship to the NEDA-3 status (absence of relapse, disability worsening, and MRI activity) and NEDA-4 (NEDA-3 extended by brain volume loss ≤ 0.4%) during the last 12 months. Patients were divided into two groups: annual pNfL change with an increase of less than 10% (group 1), and pNfL increases of more than 10% (group 2). Results: The mean age of the study participants (n = 141, 61% females) was 42.33 years (SD, 10.17), and the median disability score was 4.0 (3.5-5.0). The ROC analysis showed that a pNfL annual change ≥ 10% correlates with the absence of the NEDA-3 status (p < 0.001; AUC: 0.92), and the absence of the NEDA-4 status (p < 0.001; AUC: 0.839). Conclusions: Annual plasma NfL increases of more than 10% appear to be a useful tool for assessing disease activity in treated MS patients.
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Esclerosis Múltiple , Femenino , Humanos , Adulto , Masculino , Filamentos Intermedios , Biomarcadores , Imagen por Resonancia Magnética , Evaluación de la DiscapacidadRESUMEN
AIM OF THE STUDY: To investigate in a cross-sectional study the correlations of optical coherence tomography (OCT) with clinical and magnetic resonance imaging (MRI) parameters in multiple sclerosis (MS) patients. MATERIAL AND METHODS: OCT parameters include the peripapillary retinal nerve fibre layer (pRNFL) and ganglion cell complex (GCC). Brain magnetic resonance volumetry (T2- and T1- lesions volume, whole brain volume and grey matter volume) was evaluated using the Icobrain program. Clinical data was compared according to the history of optic neuritis (HON). Correlations were determined between OCT parameters and demographic (age, gender), clinical (disease duration, Expanded Disability Status Scale score [EDSS]), and MRI data. RESULTS: Out of 83 recruited people with MS, 27 had HON. The mean age of 75 patients with non-ON eyes was 42.08 ± 10.36 years, and 70.67% of the sample were females. Significant correlations were found between pRNFL and disability, along with several brain MRI-volumetry variables (Fluid-attenuated Inversion Recovery lesions volume [FLAIR]; T1-hypointense lesions volume; T1-lesions volume change; T1-volume lesions enlarging; whole brain volume; whole brain volume normative percentile; and volume of periventricular lesions). Multivariable linear regression analysis showed that age, pRNFL and GCC were significantly associated with T1-hypointense lesions volume change (the model explained 24% of the overall variance of the dependent variable). CONCLUSIONS: The pRFNL value correlates with disability and brain MRI-volumetric parameters in MS patients, serving as a useful neurodegeneration and inflammation surrogate marker.
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Esclerosis Múltiple , Anciano , Encéfalo/patología , Estudios Transversales , Femenino , Humanos , Imagen por Resonancia Magnética , Masculino , Esclerosis Múltiple/diagnóstico por imagen , Esclerosis Múltiple/patología , Tomografía de Coherencia Óptica/métodosRESUMEN
BACKGROUND: The research is focused on sensitive biomarkers in multiple sclerosis (MS). OBJECTIVE: The aim of the study was to assess the relationship between plasma neurofilament light chain (pNfL) and disease activity as defined by the concept NEDA (no evident disease activity), including brain volumetry, in a cohort of MS patients treated with disease-modifying treatment (DMT). METHODS: Levels of pNfL (Single Molecule Array (SIMOA) technology) were examined in 95 RRMS (relapsing-remitting multiple sclerosis) patients and analyzed in relationship to NEDA-3 status and NEDA-BVL (brain volume loss; NEDA-3 extended by brain volumetry) during the last 12 months. The statistical model was developed using logistic regression analysis, including the independent variables: demographic, clinical, and magnetic resonance imaging (MRI) data. Dependent variables were NEDA-3 and NEDA-BVL status. RESULTS: The mean age of the study participants (n = 95, 62% females) was 37.85 years (standard deviation (SD) = 9.62) and the median disability score was 3.5 (2.5-4.1). Receiver operating characteristics (ROC) analysis showed that pNfL predicts NEDA-3 (the sensitivity and specificity of the model were 92% and 78%, respectively, p < 0.001) and NEDA-BVL status (the sensitivity and specificity were 80% and 65%, respectively, p < 0.001). CONCLUSION: The results show that pNfL levels are a useful biomarker of disease activity determined by NEDA-BVL status, including brain MRI-volumetry in patients with RRMS.
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Esclerosis Múltiple Recurrente-Remitente , Esclerosis Múltiple , Adulto , Encéfalo/diagnóstico por imagen , Femenino , Humanos , Filamentos Intermedios , Imagen por Resonancia Magnética , Masculino , Esclerosis Múltiple/diagnóstico por imagen , Esclerosis Múltiple Recurrente-Remitente/diagnóstico por imagenRESUMEN
INTRODUCTION: There is a need for blood biomarkers of disease activity in multiple sclerosis (MS). The aim of the study was to assess the relationship between plasma neurofilament light chain (pNfL) and disease activity as defined by the concept three-domain no evident disease activity (NEDA-3). METHODS: Levels of pNfL (SIMOA) were examined in 159 MS patients and analyzed in relationship to NEDA-3 status (absence of relapse, disability score worsening, and brain magnetic resonance activity) during the last 12 months. The accuracy of the proposed model was evaluated by calculating the area under the receiver operating characteristics (ROC) curve. From the pNfL cutoff, we evaluated the NEDA-NfL status (no relapse, no Expanded Disability Status Scale [EDSS] worsening, and pNfL below the cutoff value). RESULTS: Levels of pNfL were significantly higher in MS patients than in healthy controls (p < 0.001). From a total of 159 patients, 80 (50.3%) achieved NEDA-3 status, while 79 (49.7%) patients showed evident disease activity (EDA) status. pNfL were significantly lower in the NEDA-3 group than in the EDA group (pNfL mean 7.06 pg/mL [standard deviation (SD) 2.37] vs. pNfL mean 13.04 pg/mL [SD 7.07]) (p < 0.001). ROC analysis showed that pNfL predicts NEDA-3 status (sensitivity and specificity were 80.5 and 72.7%, respectively, p < 0.001), and NEDA-NfL predicts NEDA-3 status (sensitivity and specificity were 97.1 and 82.9%, respectively, p < 0.001). CONCLUSION: The results show that pNfL levels are a useful biomarker of disease activity determined by NEDA status in patients with MS and could be an alternative to brain magnetic resonance investigation.
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Esclerosis Múltiple Recurrente-Remitente , Esclerosis Múltiple , Biomarcadores , Encéfalo , Humanos , Filamentos Intermedios , Imagen por Resonancia Magnética , Esclerosis Múltiple/diagnóstico por imagen , Curva ROCRESUMEN
Sexual dysfunction is very commonly reported by people with multiple sclerosis (MS). However, this problem often remains under-diagnosed and under-treated. Furthermore, still very little is known about protective psychosocial factors that may help to improve sexual functioning in MS patients. Thus, we aimed to assess the associations between social support, self-esteem and sexual functioning in MS patients when controlled for clinical and sociodemographic variables. The Expanded Disability Status Scale (EDSS), the Multidimensional Scale of Perceived Social Support (MSPSS), and the Rosenberg Scale of Self-esteem (RSE) were used to assess the independent variables. Sexual functioning was assessed by the Incapacity Status Scale (ISS). We found a significant association between social support and sexual functioning (p = 0.01). However, this association attenuated (p < 0.05) when self-esteem (p < 0.01) was added to the model. Furthermore, we found that sexual dysfunction in MS patients was associated with older age (p < 0.001). Self-esteem was associated with sexual functioning more strongly compared to social support and sexual functioning, even though both of these variables were associated with sexual functioning as well. Our findings support the biopsychosocial model of treatment of sexual dysfunction in MS patients.
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Esclerosis Múltiple , Disfunciones Sexuales Fisiológicas , Anciano , Humanos , Esclerosis Múltiple/fisiopatología , Esclerosis Múltiple/terapia , Autoimagen , Disfunciones Sexuales Fisiológicas/psicología , Apoyo SocialRESUMEN
The Fe-28 at.% Al alloy was studied in this article. The aim was to describe the influence of gas atomized powder pre-milling before SPS (Spark Plasma Sintering) sintering on the structure and properties of the bulk materials. The initial powder was milled for 0.5, 1, and 8 h. It was proven that 1 h milling leads to the change in size and morphology of the particles, B2âA2 phase transformation, and to the contamination with the material from a milling vessel. Powder materials were compacted by the SPS process at 900, 1000, and 1100 °C. The differences between the bulk materials were tested by LM, SEM, and TEM microscopy, XRD, and neutron diffraction methods. It was proven that, although the structures of initial powder (B2) and milled powder (A2) were different, both provide after-sintering material with the same structure (D03) with similar structural parameters. Higher hardness and improved ductility of the material sintered from the milled powder are likely caused by the change in chemical composition during the milling process.
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Aleaciones/química , Aluminio/química , Hierro/química , Ensayo de Materiales/métodos , Microtecnología/métodos , Dureza , Microscopía Electrónica de Rastreo , Microscopía Electrónica de Transmisión , Difracción de Neutrones , Tamaño de la Partícula , Transición de Fase , Polvos/química , Propiedades de Superficie , Temperatura , Difracción de Rayos XRESUMEN
Poor sleep is a serious burden for patients with multiple sclerosis (MS). The aim of this study is to assess whether the association between sleep quality and disability in MS patients is direct or mediated by depression, pain, and fatigue. We collected data from 152 patients with MS who filled out the Pittsburgh Sleep Quality Index, the Hospital Anxiety and Depression Scale, the Multidimensional Fatigue Inventory and one item of the Short Form-36 regarding pain. The relationship between poor sleep and disability was found to be indirect, mediated by depression (p < 0.05), pain (p < 0.001) and physical fatigue (p < 0.01). Treatment of sleep disturbances may have beneficial effects beyond improving sleep. It may reduce depression, pain, and physical fatigue, which in turn may lessen disability.
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Depresión/complicaciones , Fatiga/complicaciones , Esclerosis Múltiple/complicaciones , Esclerosis Múltiple/fisiopatología , Dolor/complicaciones , Trastornos del Sueño-Vigilia/complicaciones , Trastornos del Sueño-Vigilia/psicología , Adolescente , Adulto , Depresión/fisiopatología , Fatiga/fisiopatología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Esclerosis Múltiple/psicología , Dolor/fisiopatología , Sueño , Trastornos del Inicio y del Mantenimiento del Sueño/complicaciones , Trastornos del Inicio y del Mantenimiento del Sueño/fisiopatología , Trastornos del Inicio y del Mantenimiento del Sueño/psicología , Trastornos del Sueño-Vigilia/fisiopatología , Encuestas y Cuestionarios , Adulto JovenRESUMEN
Patients with multiple sclerosis (MS) engage in various coping behaviours in order to manage their disease. The aim of this study is to find out if the self-esteem of patients is associated with coping strategies - problem-focused (e.g. making a plan of action when confronted with a problem); emotion focused (e.g. get emotional support from community); and focused on stopping unpleasant emotions and thoughts (e.g. keeping oneself from feeling sad), and if it can enhance or hinder coping efforts in the disease management. We collected data from 155 consecutive MS patients who completed the Coping Self-Efficacy Scale (CSE) and the Rosenberg Self-esteem Scale (RSE). Explained variance for problem-focused coping, emotion-focused coping, and coping focused on stopping unpleasant emotions and thoughts was 33, 24, and 31%, respectively. Self-esteem seems to be associated with coping strategies indicating that feelings of self-worth are linked with the ability to handle difficult life situations and can be helpful in chronic disease management.
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Adaptación Psicológica , Esclerosis Múltiple/psicología , Autoimagen , Autoeficacia , Adulto , Manejo de la Enfermedad , Emociones , Femenino , Humanos , Masculino , Persona de Mediana Edad , Solución de ProblemasRESUMEN
Background: Self-rated health is a valid and reliable subjective indicator of general health. We aimed to assess the associations between self-rated health, mental health problems, physical activity, sedentary behaviour and BMI among Slovak urban adolescents. Methods: Data were collected within the EU-FP7: EURO-URHIS 2 (The European Health Indicator System Part 2) project in two largest Slovak cities: Bratislava and Kosice. Sample included 1111 adolescents (response rate 73.7%, mean age 14.32 ± 0.48 years, 52.8% boys). Self-rated health was measured with the first item from the Short Form Health Survey 36 questionnaire, mental health problems were assessed by the Strengths and Difficulties Questionnaire and for physical activity and sedentary behaviour questions from the WHO HBSC questionnaire were used. Logistic regression was performed to determine the associations between self-rated health and the independent variables. Results: Self-rated health was found to be significantly associated with mental health problems, sedentary behaviour and BMI. However, the strongest association was found with engagement in physical activity every day (OR 8.0; 95% CI 1.6-39.9). Conclusions: Previous research revealed that self-rated health was associated with various mental health problems. Our findings add to these results by showing that physical activity and sedentary behaviour are also very important additional factors related to self-rated health. Better understanding of these associations can help in developing more effective public health intervention programmes for adolescents.
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Trastornos Mentales/epidemiología , Conducta Sedentaria , Población Urbana/estadística & datos numéricos , Adolescente , Índice de Masa Corporal , Ejercicio Físico/psicología , Femenino , Estado de Salud , Humanos , Masculino , Trastornos Mentales/psicología , Autoevaluación (Psicología) , Eslovaquia/epidemiologíaRESUMEN
Fatigue, as one of the most frequent symptoms in patients with multiple sclerosis (MS), has various adverse effects on the physical and mental health-related quality of life (PCS, MCS) of patients. The aim of this study was to explore whether coping mediates the relationship between fatigue and PCS and MCS. We collected data from 154 consecutive MS patients (76.0% women; mean age 40.0 ± 9.9). Patients completed the Short-Form Health Survey (SF-36), the multidimensional fatigue inventory (MFI-20) and the coping self-efficacy scale. The mediating effect of coping was analysed using linear regressions and the Sobel z-test. In PCS significant mediation was found in some of the fatigue dimensions (general, physical and reduced Motivation), while in MCS, it was significant in all dimensions. These results can be implemented into educational programmes for patients, their caregivers or physicians, and can also be helpful in the treatment process.
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Adaptación Psicológica , Fatiga/psicología , Esclerosis Múltiple Crónica Progresiva/psicología , Esclerosis Múltiple Recurrente-Remitente/psicología , Calidad de Vida/psicología , Autoeficacia , Adolescente , Adulto , Fatiga/etiología , Fatiga/fisiopatología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Motivación , Esclerosis Múltiple Crónica Progresiva/complicaciones , Esclerosis Múltiple Crónica Progresiva/fisiopatología , Esclerosis Múltiple Recurrente-Remitente/complicaciones , Esclerosis Múltiple Recurrente-Remitente/fisiopatología , Encuestas y Cuestionarios , Adulto JovenRESUMEN
BACKGROUND: Chronic neurological disease such as multiple sclerosis (MS), is a significant risk factor for psychological distress, which can result in suicidal behaviour. Suicidal ideation (SI) is considered a harbinger of suicide-related mortality. However, so far, little is known about the role of protective factors against SI in MS. OBJECTIVE: This study aims to assess the association between coping self-efficacy and SI when controlled for sociodemographic variables, clinical variables, sleep-related problems, and depression. METHODS: The study sample consisted of 162 people with MS, was predominantly female (75.9 %), the mean age was 40.9 ± 11.4 years, the mean disease duration was 11.7 ± 7.1 years, and the mean functional disability score was 3.55 ± 1.1. We used the Coping Self-Efficacy scale (CSE), the General Health Questionnaire-28 (GHQ-28), the Expanded Disability Status Scale (EDSS), the Hospital Anxiety and Depression Scale (HADS), the Pittsburgh Sleep Quality Index (PSQI), and the Multidimensional Fatigue Inventory (MFI). Multiple linear regressions were utilized to statistically analyse the data. RESULTS: All assessed coping self-efficacy dimensions were significantly associated with SI in MS when controlled for sociodemographic variables, clinical variables, sleep-related problems, and depression. Furthermore, all assessed coping self-efficacy dimensions were able to alleviate the negative association between income, depression and SI. CONCLUSION: People with MS may significantly benefit from psychological support aimed at promoting coping self-efficacy and utilization of various coping strategies. Problem-focused coping, coping focused on getting support, and coping focused on stopping unpleasant thoughts and feelings seem to have comparable associations with SI, and thus interventions aimed at empowering any of these dimensions may be beneficial in diminishing the severity of SI.
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Adaptación Psicológica , Esclerosis Múltiple , Autoeficacia , Ideación Suicida , Humanos , Femenino , Masculino , Adaptación Psicológica/fisiología , Adulto , Esclerosis Múltiple/psicología , Persona de Mediana Edad , Depresión/psicologíaRESUMEN
PURPOSE: Multiple sclerosis (MS) is a chronic disorder with a variable course. The aim of our study was to find out whether cognitive event-related potentials are prognostic for patient disability at the 15-year follow-up. METHODS: In the observed cohort of patients with MS, we examined the event-related potentials at baseline (2003). Functional status (Expanded Disability Status Scale score) was then assessed 15 years later, and the prognostic model was developed using binary logistic regression analysis. The independent variables included demographic (age, sex, and education), clinical (disability in 2003), radiologic (MRI lesion load), and event-related potentials parameters. The prognostic accuracy of the proposed model was evaluated by calculating the area under the receiver-operating characteristics curve. RESULTS: The study sample consisted of 85 patients with MS. The mean age was 35.5 (SD, 11.2) years, and the median disability score was 3.0 (1-7) in 2003 and 5.0 (1.5-9.5) in 2018. The significant prognostic factors of poor Expanded Disability Status Scale are higher baseline Expanded Disability Status Scale, longer MS duration, and prolonged P300 latency. The sensitivity and specificity of the cutoff at 5.0 for the disability score were 94% and 89%, respectively, with the area under the receiver-operating characteristics curve 0.94 (95% confidence interval, 0.889-0.984; P < 0.001). CONCLUSIONS: The results show that out of event-related potentials, the P300 wave latency is a prognostic of long-term disability progression in patients with MS.
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Esclerosis Múltiple , Adulto , Cognición , Evaluación de la Discapacidad , Progresión de la Enfermedad , Potenciales Evocados , Humanos , PronósticoRESUMEN
BACKGROUND: Neurofilament light chain is a promising biomarker of disease activity and treatment response in relapsing-remitting multiple sclerosis (MS). Its role in progressive MS is less clear. AIM: The aim of the study was to assess the relationship between plasma neurofilament light chain (pNfL) and disease activity as defined by the concept NEDA-3 (No Evident Disease Activity), and brain volumetry, in a cohort of patients with the progressive disease form (PMS). METHODS: Levels of pNfL (SIMOA technology) were examined in 52 PMS patients and analysed in relationship to NEDA-3 status and annual brain volume loss (BVL) during the last 12 months. The statistical model was developed using logistic regression analysis, including demographic, clinical and magnetic resonance imaging (MRI) data as independent variables. Dependent variables were NEDA-3 status and BVL. RESULTS: The mean age of the study participants (n=52, 50% females) was 45.85 (SD, 9.82) and the median disability score was 5.0 (IQR: 5.0-5.5). ROC analysis showed that pNfL predicts NEDA-3 (the sensitivity and specificity of the model were 77.8% and 87.6%, respectively, P<0.001) and abnormal BVL (the sensitivity and specificity were 96.6% and 68.2%, respectively, P<0.001). CONCLUSIONS: The results show that pNfL levels are a useful biomarker of disease activity determined by NEDA-3 status, including brain MRI-volumetry, in patients with the progressive form of MS.
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Enfermedades del Sistema Nervioso Central , Esclerosis Múltiple Recurrente-Remitente , Esclerosis Múltiple , Atrofia , Biomarcadores , Encéfalo/diagnóstico por imagen , Encéfalo/patología , Progresión de la Enfermedad , Femenino , Humanos , Filamentos Intermedios , Imagen por Resonancia Magnética/métodos , Masculino , Esclerosis Múltiple/diagnóstico por imagen , Esclerosis Múltiple Recurrente-Remitente/diagnóstico por imagen , Esclerosis Múltiple Recurrente-Remitente/tratamiento farmacológico , Esclerosis Múltiple Recurrente-Remitente/patologíaRESUMEN
OBJECTIVE: : Neuromyelitis optica spectrum disorders (NMOSDs) are a group of rare, inflammatory, demyelinating diseases that affect the central nervous system. Neither the incidence nor the prevalence of NMOSD has been determined in Slovakia thus far. The aim of this study was to determine both the incidence and the prevalence of NMOSD in Slovakia using the 2015 International Panel of NMOSD diagnosis (IPND) criteria. METHODS: : We performed a population-based study in Slovakia to estimate both the incidence and the prevalence of NMOSD during the period from 1 January 2006 through 31 December 2019. NMOSD cases were reported from multiple sources and the diagnosis was subsequently verified using the IPND criteria by a joint commitee of three neurologists. The prevalence is reported as number of cases per 100,000 inhabitans and the incidence as number of new cases per 1,000,000 person-years. Age-adjusted rates to the WHO standard population 2005-2025 were also calculated. RESULTS: : We identified 63 NMOSD cases. The crude point-prevalence rate was 1.37 (95% CI 1.03-1.71) per 100,000 inhabitants. The crude indidence rate was 0.88 (95% CI 0.65-1.12) per 1,000,000 person-years. The age-adjusted point-prevalence rate was 1.42 (95% CI 1.07-1.84) per 100,000 persons and the age-adjusted incidence rate was 0.96 (95% CI 0.72-1.25) per 1,000,000 person-years. CONCLUSION: : The NMOSD epidemiological situation in Slovakia is comparable to those reported from other Caucasian populations.
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Neuromielitis Óptica , Acuaporina 4 , Autoanticuerpos , Humanos , Incidencia , Neuromielitis Óptica/diagnóstico , Neuromielitis Óptica/epidemiología , Prevalencia , Eslovaquia/epidemiología , Población BlancaRESUMEN
BACKGROUND: Optimal self-management seem to be protective factor of health-related quality of life and psychological well-being in many chronic conditions. However, the results in people with multiple sclerosis (MS) are still inconclusive. Thus, the aim of this study is to assess the associations between self-management, self-esteem and psychological well-being in people with MS when controlled for sociodemographic and clinical variables. METHODS: A total of 165 people with MS filled in The Multiple Sclerosis Self-Management Scale, Rosenberg Self-Esteem scale, and General Health Questionnaire-28, to assess main variables under study. Functional status was measured by Kurtzke disability Status Scale. RESULTS: We found significant associations between self-esteem and somatic symptoms, anxiety/insomnia, social dysfunction and severe depression. Explained variance of the models ranged from 16% to 38% for somatic symptoms and severe depression, respectively. Self-management significantly contributed to the explained variance in all models sans GHQ social dysfunction. Self-esteem was significant contributor to overall variance in all models. DISCUSSION: According to our results, self-management and self-esteem were found to be associated with multiple domains of psychological well-being. These findings may be used in neurological practice, to help people with MS who report psychological distress in one or more domains.
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Esclerosis Múltiple , Automanejo , Depresión , Humanos , Esclerosis Múltiple/terapia , Calidad de Vida , Autoimagen , Encuestas y CuestionariosRESUMEN
BACKGROUND: Illness perception and self-esteem were found to improve adjustment to disease in many chronic conditions. However, so far, little is known about the role of illness-appraisal and self-appraisal factors in psychological well-being in people with multiple sclerosis (MS). Thus, we aimed to assess the association between illness perception, self-esteem and psychological well-being in people with MS while controlling for sociodemographic variables, clinical variables, and sleep-related problems. METHODS: The General Health Questionnaire-28, the Brief Illness Perception Questionnaire, the Rosenberg Scale of Self-esteem, the Expanded Disability Status Scale, the Pittsburgh Sleep Quality Index, and the Multidimensional Fatigue Inventory were used. Multiple linear regressions and mediation analyses were utilized to analyse the data. RESULTS: Positive illness perception (p<0.001) and self-esteem (p<0.05) were significantly associated with psychological well-being in MS. Low income (p<0.05) and sleep-related problems (p<0.001) were significantly associated with lower level of psychological well-being in people with MS. Positive illness perception and self-esteem were able to diminish the association between low income (p>0.05), poor sleep quality (p<0.01), fatigue (p>0.05), and low level of psychological well-being. Self-esteem also mediated the association between illness perception and psychological well-being. DISCUSSION: People with MS may benefit from psychological support aimed at promoting self-esteem and diminishing negative illness perception.
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Esclerosis Múltiple , Fatiga , Humanos , Esclerosis Múltiple/complicaciones , Percepción , Autoimagen , Encuestas y CuestionariosRESUMEN
Resolution properties of the unconventional high-resolution neutron diffraction three-axis setup for strain/stress measurements of large bulk polycrystalline samples are presented. Contrary to the conventional two-axis setups, in this case, the strain measurement on a sample situated on the second axis is carried out by rocking the bent perfect crystal (BPC) analyzer situated on the third axis of the diffractometer. Thus, the so-called rocking curve provides the sample diffraction profile. The neutron signal coming from the analyzer is registered by a point detector. This new setup provides a considerably higher resolution (at least by a factor of 5), which however, requires a much longer measurement time. The high-resolution neutron diffraction setting can be effectively used, namely, for bulk gauge volumes up to several cubic centimeters, and for plastic deformation studies on the basis of the analysis of diffraction line profiles, thus providing average values of microstructure characteristics over the irradiated gauge volume.
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Fatigue and poor sleep quality are among the most common patient-reported problems associated with multiple sclerosis (MS). Social support, on the other hand, is often found to be positively associated with quality of life in patients with neurological diseases. Studies also show that suicidal ideation (SI) levels in MS are elevated compared to the general population. Thus, the aim of this study is to assess the associations between fatigue, social support, and SI in patients with MS. Out of 184 MS patients asked to participate in this cross-sectional study, 156 agreed (RR 69.8%; 75% female; mean age: 39.95 ± 9.97 years). Patients filled-in the Multidimensional Fatigue Inventory-20, the Pittsburgh Sleep Quality Index, the Multidimensional Scale of Perceived Social Support and the subscale of the General Health Questionnaire-28 focused on assessing SI. Models were controlled for age, gender, disease duration, functional disability, and sleep quality. Data were analyzed using multiple linear regressions. SI was positively associated with lower sleep quality and four types of fatigue: general, mental, reduced activity, and reduced motivation (p < 0.05). Physical fatigue was not significantly associated with SI. Social support was negatively associated with SI in all models. The final models under study explained from 24.3 to 29.7% of the total variance in SI. SI yielded associations with both sleep quality and fatigue, with the exception of physical fatigue. Information provided by physicians on sleep management, and a psychosocial intervention focused on people who provide support for patients with MS (family, friends, and significant others) may reduce levels of SI.