vitíligo, estrés psicológico y bioquímica del cerebro: Una revisión sistemática desde la neurociencia

Objetivo: El propósito de este estudio es establecer los mecanismos de la actividad Bioquímica a través del Estrés Psicológico que influyen en la enfermedad del vitiligo desde una perspectiva neurocientifica, mediante una revisión sistemática de la literatura de los últimos 5 años. Método: La búsqueda sistemática se llevó a cabo en las bases de datos Scopus, PubMed y Web of Science para identificar los estudios que describan la enfermedad de Vitiligo, el estrés psicológico y la bioquímica del cerebro, se establecieron criterios de inclusión y exclusión para la selección de los artículos, así mismo, se evaluó su calidad y pertinencia. Resultados: La revisión sistemática arrojó 15.503 artículos, 70 fueron preseleccionados de acuerdo a lo informado en el resumen y validados para lectura completa. Para la síntesis narrativa se utilizaron 23 artículos científicos. Conclusión: La enfermedad de vitiligo guarda una estrecha relación con el estrés psicológico y está acompañado de un desequilibrio bioquímico que conduce a un proceso inflamatorio y destructivo de los melanocitos de la piel.

Objective: The purpose of this study is to establish the mechanisms of biochemical activity through psychological stress that influence vitiligo disease from a neuroscientific perspective, through a systematic review of the literature of the last 5 years. Method: Systematic search was carried out in the Scopus, PubMed and Web of Science databases to identify studies describing Vitiligo disease, psychological stress and brain biochemistry, inclusion and exclusion criteria were established for the selection of articles, their quality and relevance were evaluated. Results: The systematic review yielded 15,503 articles, of which 70 were pre-selected as reported in the summary and validated for full reading. For the narrative synthesis 23 scientific articles were used. Conclusion: Vitiligo disease is closely related to psychological stress and is accompanied by a biochemical imbalance that leads to an inflammatory and destructive process of skin melanocytes.

Diagnostic accuracy of the UDS 3.0 neuropsychological battery in a cohort with Alzheimer's disease in Colombia.

BACKGROUND: Alzheimer's disease (AD) is a neurodegenerative disease that causes a gradual loss of cognitive functions and limits daily activities performance. Early diagnosis of AD is essential to start timely treatment. This study aimed to validate the Uniform Data Set neuropsychological battery version 3.0 (UDS 3.0) in a Colombian cohort. METHODS: This study is a cross-sectional type, consecutive, incidental, with 143 persons, divided into two groups: 48 diagnosed AD cases and 95 healthy controls, between the ages of 50 and 80+, and between 1 and 19+ years of education. RESULTS: The results indicate differences between the control group and the AD group in most battery tests. A significant correlation was found between the Montreal Cognitive Assessment (MoCA), Multilingual Naming Test (MINT), Craft Story, Benson Figure Test, P-word and F-word Phonemic Fluency Test, and their respective reference tests. Cutoff points were found based on the Youden index for each sub-test. The results indicate that all sub-tests are above the reference line of the ROC curve. CONCLUSION: The use of the UDS 3.0 in Colombia would help improving clinical diagnostic routes because of its high accuracy and high correlation with tests that measure general impairment; it has good sensitivity and specificity, and it can be a useful tool for AD.

Serum cortisol levels and neuropsychological impairments in patients diagnosed with Fibromyalgia.

OBJECTIVE: To describe the relationship between neuropsychological variables and serum cortisol levels as a measure of physiological stress in patients with fibromyalgia. METHODOLOGY: A sample of 60 women was intentionally selected: 30 with Fibromyalgia diagnosis and 30 with normal controls. Cortisol levels were determined using two blood samples (AM and PM) and a neuropsychological and emotional battery was applied with a standardized protocol in Colombian population to evaluate different cognitive domains. Comparative and correlational non-parametric analyzes were performed, a multiple regression analysis to determine influences between variables. RESULTS: Significant differences between the study groups in the neuropsychological variables (attention, memory, language, visual-constructive praxis and executive functions (EF), (p<0.05) were found, obtaining better scores in the control group. Significant correlations between the cortisol profile, with false acknowledgments of Rey auditory- verbal learning test, and with perseverative errors of the Wisconsin test were found. Multiple regression analysis predicts the influence of memory and EF variables on the cortisol profile in an 88.7%. CONCLUSIONS: The findings show that, in patients with FM, there are neuropsychological alterations, mainly in executive functioning (cognitive flexibility) and episodic memory (evocation and storage). Likewise, executive dysfunction is related to physiological stress reciprocally and in turn are conditioned by emotional alterations such as symptoms of depression, which supports the neurophysiological model that compromises the hypothalamic-pituitary-adrenal axis and the prefrontal cortex, rich in corticosteroid receptors.

Niveles de cortisol sérico y alteraciones neuropsicológicas en pacientes con diagnóstico de Fibromialgia / Serum cortisol levels and neuropsychological impairments in patients diagnosed with Fibromyalgia

Objetivo. Describir la relación entre variables neuropsicológicas y niveles de cortisol sérico; como una medida de estrés fisiológico; en pacientes con fibromialgia. Metodología. Se seleccionó intencionalmente una muestra de 60 mujeres: 30 con diagnóstico de Fibromialgia y 30 controles normales. Se determinaron los niveles de cortisol mediante dos muestras de sangre (AM y PM) y se realizó una batería neuropsicológica y emocional, con un protocolo estandarizado en población colombiana para evaluar diferentes dominios cognitivos. Se hicieron análisis comparativo y correlacional no paramétrico, un análisis de regresión múltiple para determinar influencias entre las variables. Resultados. Se encontraron diferencias significativas entre los grupos de estudio en las variables neuropsicológicas (atención, memoria, lenguaje, praxis viso-constructiva y funciones ejecutivas (FE), (p<0,05), obteniendo mejores puntajes el grupo control. Se hallaron correlaciones significativas entre el perfil de cortisol, con falsos reconocimientos del test de aprendizaje auditivo verbal de Rey y con errores perseverativos del test de Wisconsin. El análisis de regresión múltiple predice la influencia de las variables de memoria y FE en el perfil de cortisol en un 88,7%. Conclusiones. Los hallazgos demuestran que, en pacientes con FM, existen alteraciones neuropsicológicas, principalmente en funcionamiento ejecutivo (flexibilidad cognitiva) y memoria episódica (evocación y almacenamiento). Igualmente, la disfunción ejecutiva está relacionada con el estrés fisiológico de manera recíproca y a su vez son condicionadas por alteraciones emocionales como síntomas de depresión, lo cual soporta el modelo neurofisiológico que compromete el eje hipotálamo-hipófisis-adrenal y la corteza pre-frontal, rica en receptores de córticoesteroides (AU)

Objective. To describe the relationship between neuro-psychological variables and serum cortisol levels as a measure of physiological stress in patients with fibromyalgia. Methodology. A sample of 60 women was intentionally selected: 30 with Fibromyalgia diagnosis and 30 with normal controls. Cortisol levels were determined using two blood samples (AM and PM) and a neuropsychological and emotional battery was applied with a standardized protocol in Colombian population to evaluate different cognitive domains. Comparative and correlational non-parametric analyzes were performed, a multiple regression analysis to determine influences between variables. Results. Significant differences between the study groups in the neuropsychological variables (attention, memory, language, visual-constructive praxis and executive functions (EF), (p<0.05) were found, obtaining better scores in the control group. Significant correlations between the cortisol profile, with false acknowledgments of Rey auditory-verbal learning test, and with perseverative errors of the Wisconsin test were found. Multiple regression analysis predicts the influence of memory and EF variables on the cortisol profile in an 88.7%. Conclusions. The findings show that, in patients with FM, there are neuropsychological alterations, mainly in executive functioning (cognitive flexibility) and episodic memory (evocation and storage). Likewise, executive dysfunction is related to physiological stress reciprocally and in turn are conditioned by emotional alterations such as symptoms of depression, which supports the neurophysiological model that compromises the hypothalamic-pituitary-adrenal axis and the prefrontal cortex, rich in corticosteroid receptors (AU)

Síntomas afectivo-conductuales y estrategias de afrontamiento del dolor en pacientes con fibromialgia (FM) / Affective - behavioral symptoms and coping strategies of pain in patients with fibromyalgia (FM)

Resumen Objetivo: La fibromialgia (FM) es un síndrome de dolor crónico generalizado, asociado a alteraciones emocionales y comportamentales. El objetivo de este estudio fue identificar los síntomas afectivo-conductuales y las estrategias cognitivas de afrontamiento en la percepción de dolor de pacientes con FM. Material y métodos: Se realizó un estudio de corte transversal, con análisis de casos y controles, con una muestra de dos grupos de mujeres, en la ciudad de Barranquilla (Colombia): 34 con diagnóstico de FM y 30 controles, a quienes se les realizó evaluación de síntomas psicológicos y de percepción de dolor. Resultados: Los pacientes con FM presentan significativamente mayores síntomas afectivo-conductuales (ansiedad, depresión, insomnio, somatización y disfunción social) que los sujetos controles (p<0.001), así como una tendencia a utilizar la retirada social como estrategia de afrontamiento (p<0.005). De acuerdo con el análisis factorial, la percepción de dolor y los síntomas afectivo-conductuales en pacientes con FM se agruparon en un mismo factor, lo cual demostró interdependencia de las variables. Conclusiones: Los síntomas afectivo-conductuales se asocian a la percepción de dolor y se relacionan con la utilización de estrategias pasivas y centradas en la emoción como mecanismo para afrontar la experiencia de dolor.

Abstract Objective: Fibromyalgia (FM) is a syndrome of chronic widespread pain associated with emotional and behavioral disorders. The purpose of the study was to identify the affective -behavioral symptoms and cognitive coping strategies involved in the perception of pain in patients with FM. Material and methods: A cross-sectional study was performed, with analysis of cases and controls, with a sample of two groups of women, in the city of Barranquilla (Colombia). Affective - behavioral symptoms and cognitive coping strategies were assessed in 34 patients with FM and 30 controls matched by age and educational level. Results: Our findings indicate greater affective and behavioral symptoms in patients with FM (anxiety, depression, insomnia, somatization and social dysfunction) (p<0.001) and a tendency to use social withdrawal as a coping strategy (p<0.005). According to factor analysis, pain perception and affective-behavioral symptoms were grouped in a single factor, demonstrating interdependence between variables. Conclusions: The affective-behavioral symptoms are associated with perception of pain and are relate to the use of passive strategies, and focused on emotion as a mechanism to confront the experience of pain.

Características psicológicas de los pacientes con larga estancia hospitalaria y propuesta de protocolo para su manejo clínico / Psychological characteristics of patients with long hospital stay and a protocol proposal for their clinical management

Antecedentes y Objetivo. El impacto psicológico de la hospitalización en los pacientes ingresados en larga estancia es variable y se muestra en respuesta al estrés y en el desempeño del rol de enfermo del paciente hospitalizado. El objetivo de esta investigación fue detectar las principales alteraciones psicológicas que sufren estos pacientes, y diseñar un protocolo para su manejo. Material y Método. Empleamos instrumentos como el Inventario de ansiedad, el Inventario de depresión rasgo-estado y el Cuestionario de estrategias de afrontamiento Sandin y Chorot. Realizamos un estudio descriptivo, guiado por el paradigma empírico analítico, corte cuantitativo, diseño no experimental, con una población total de 50 pacientes y una muestra de 15, muestreo no probabilístico, de tipo intencional, teniendo en cuenta los criterios de inclusión y exclusión propios de la investigación. Resultados. Entre los aspectos más relevantes encontrados marcados estados depresivos, ansiedad rasgo, baja expresión emocional abierta, y alta reevaluación positiva, que es de vital importancia, para el manejo de estos pacientes con larga estancia hospitalaria. Conclusiones. Según los datos de nuestro estudio, la larga estancia hospitalaria se relaciona generalmente con el desprendimiento del individuo de su medio natural, que puede generarle estados de tristeza, ansiedad y desencadenar efectos negativos como la baja expresión emocional. Estas características pueden servir de guía a los profesionales de la salud, por lo que presentamos un diseño de protocolo de manejo efectivo que ayude al paciente a afrontar mejor las dificultades que se le presentan en el ámbito hospitalario (AU)

Background and Objectives. The psychological impact of hospitalization on patients admitted for a long period is variable and it´s shown as an answer to stress and on how ill the hospitalized patient is. The objective of this investigation was to determine the main psychological disturbances and to design a protocol to know how to handle long-stay patients at the hospital. Patients and Method. In this investigation were applied tools such as the Anxiety inventory, Characteristic-status depression inventory and Sandin &Chorot strategies of confrontation test. We conduct a descriptive type study, guided by the annalistic empiric paradigm, quantity cut, non-experimental design, with a population of 50 patients and a sample of 15, non-probabilistic sample, intentional type, inclusion and exclusion criteria from the investigation were taken into account. Results. Among the most relevant aspects found, were discovered prominent depressive status, anxiety, low opened emotional expression, high positive reevaluation, which is very relevant to handle all long-stay patients at the hospital. Conclusions. Long-stay hospitalization is normally connected to the individual´s detachment of its natural environment, which can generate on patient states of sadness, anxiety and to trigger negative effects such as low emotional expression. These characteristics can be useful as a guide for health professionals, and we so, we design a model of more effective protocol, which would help the patient to face, in a better way, all the difficulties presented in the hospital field (AU)