RESUMOIntrodução: Fadiga é um dos fenômenos mais comumente vivenciados por todos os seres humanos. No entanto, esse conceito é causa de grande confusão na ciência. Objetivo: Analisar o conceito de fadiga. Método: Foi utilizado o método proposto por Walker e Avant (1995). Resultados: São identificados atributos críticos da fadiga e apontados antecedentes, conseqüentes e referências empíricas. Para ilustrar, são apresentados caso-modelo, caso-contrário e caso-ilegítimo. A manifestação de cansaço/canseira ou exaustão associada ao prejuízo no desenvolvimento das atividades usuais do dia-a dia e a falta de resultados das estratégias habituais de recuperação de energia são identificadas como as principais referências empíricas do conceito de fadiga para a área da saúde.Conclusões: Esta análise conceitual oferece base para o desenvolvimento de uma definição operacional e novos direcionamentos para pesquisas. Descritores: fadiga, formação de conceito, pesquisa Descritores: Fadiga; Formação de conceito; Pesquisa ABSTRACT Background: Fatigue is one of the most commonly experienced phenomena by all human being. However, this concept is cause of great confusion in science. Objective: This study analyzed the concept of fatigue using the method of Walker and Avant (1995). Critical attributes, antecedents, consequents and empirical referents are identified. To illustrate the concept, model, contrary and illegitimate cases are presented. Results: The manifestation of tiredness or exhaustion associated with the impact on the development of every day activities and the absence of restorage of energy using habitual strategies are identified as the main empirical referents related to the concept of fatigue. Conclusions: This conceptual analysis offers support for the development of an operational definition and suggests new guidelines for future research.Keywords: Fatigue; Concept formation; Research RESUMEN Introdución: El fenómeno fatiga es una experiencia común a todos los seres humanos. No obstante, el concepto genera gran confusión en la ciencia. Objetivo: Este estudio analiza el concepto fatiga a través del método propuesto por Walker y Avant (1995). Resultados: Se identifican atributos críticos de fatiga y se destacan los antecedentes, las consecuencias y las referencias empíricas. Para ilustrar, se presenta un caso-modelo, un caso-contrario y un caso-ilegítimo. La manifestación de cansancio o desaliento que perjudica el desarrollo de actividades cotidianas y la falta de resultados ante las estrategias habituales para recuperar el aliento, son identificadas como las principales referencias empíricas del concepto de fatiga en el área de la salud. Conclusiónes: Este análisis conceptual ofrece bases para desarrollar una nueva definición operacional y propone directrices para realizar nuevas investigaciones. Descriptores INTRODUÇÃOFadiga é um conceito que tem incomodado os profissionais da área da saúde. Tem sido incluída como variável em diversos estudos, provavelmente pela sua alta prevalência nas mais diversas populações e p...
Persons in palliative care develop pressure ulcers (PU) as death approaches, but the extent of the problem is still unknown. The objectives were to identify the prevalence of pressure ulcers in people with cancer in palliative home care, compare the socio-demographic and clinical profile of patients with and without pressure ulcers, and analyze the characteristics of the ulcers. This descriptive, cross-sectional study included 64 people with advanced cancer in palliative home care. Twelve of them (18.8%) had PU, of whom 75.0% were men. The participants had one to three PU, amounting to 19 lesions, 89.4% of those developed at home and 47.4% at stage 3. The presence of PU was higher among those who had a history of previous wound. PU consisted of a significant event occurring in the studied population, indicating that preventive measures should be included in the home palliative care health team.
This study identified the prevalence and predictors of fatigue in colorectal cancer (CRC) patients.Cross-sectional study with 157 adult CRC outpatients (age 60±11.7 years; 54% male; cancer stage IV 44.8%). The Piper Fatigue Scale-revised was used to assess fatigue scores. Socio-demographic, clinical, depression, performance status, pain and sleep disturbance data were assessed. Associations between fatigue and these data were analyzed through logistic regression models. Fatigue was reported by 26.8% patients. Logistic regression identified three predictors: depression (OR: 4.2; 95%CI 1.68-10.39), performance status (OR: 3.2; 95%CI 1.37-7.51) and sleep disturbance (OR: 3.2; 95%CI 1.30-8.09). When all predictors were present, the probability of fatigue occurrence was 80%; when none were present, the probability was 8%. The model's specificity and sensitivity were 81.9% and 58.6%, respectively. Through the assessment of depression, performance status and sleep disturbance, the probability of fatigue occurrence can be estimated, and preventive and treatment strategies can be rapidly implemented in clinical practice. Fatiga en pacientes con cáncer cuello rectal: superioridad y factores asociadosLos objetivos de este estudio fueron la identificación de la superioridad y los predictores de fatiga en pacientes con Cáncer Cuello rectal (CCR). Se trata de estudio seccional con 157 pacientes de ambulatorio con CCR (edad 60±11,7 años; 54% hombres; estadio cáncer IV 44,8%). La Escala de Fatiga de Piper -Revisada fue utilizada para evaluar fatiga. Datos sociodemográficos, clínicos, depresión, funcionalidad, dolor y sueño fueron evaluados. La asociación entre variables fue realizada por regresión logística. Fatiga fue reportada por 26,8% pacientes. Por la regresión logística se identificaron tres predictores: depresión (OR: 4,2; 95%IC 1,68-10,39), funcionalidad (OR: 3,2; 95%IC 1,37-7,51) y perjuicio del sueño (OR: 3,2; 95%IC 1,30-8,09). Cuando todos predictores estaban presentes, la probabilidad de ocurrencia de fatiga fue del 80%; cuando ninguno estaba presente, la probabilidad fue del 8%. La especificidad y sensibilidad del modelo fueron, respectivamente, 81,9 y 58,6%. Conociéndose la probabilidad de fatiga, por medio de la evaluación de depresión, funcionalidad y perjuicio del sueño, se vuelve posible la implementación de estrategias de prevención y tratamiento en la clínica.
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