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PURPOSE: To evaluate the accuracy of defining characteristics and causal relationships of the etiological factors of the nursing diagnosis deficient knowledge in individuals with heart failure . DATA SOURCES: An analytical, cross-sectional study on the diagnostic accuracy of the defining characteristics and causal relationships of the etiological factors of the nursing diagnosis. The sample consisted of 140 patients with chronic HF and in outpatient follow-up. The latent class analysis method was used to test the accuracy of measurements and estimate the prevalence of the diagnosis. The calculation of subsequent probabilities and the odds ratio ( were also parameters employed. The study was approved by the Research Ethics Committee of the Federal University of Pernambuco. DATA SYNTHESIS: The diagnosis had an estimated prevalence of 38.57% in the sample. The inaccurate statements about the disease and/or therapy, self-care deficient performance, and inadequate behavior were the clinical indicators that best predicted the presence of the diagnosis and demonstrated the same sensitivity value (1.0000), specificity (1.0000), and 95% confidence interval (0.9999-1.0000) for all. The populations at risk was elderly (OR = 2.12, confidence interval 95% = 1.05-4.27), and illiterate individuals (OR = 2.07, confidence interval 95% = 1.03-4.16) had an approximately twofold great chance of developing havening deficient knowledge. CONCLUSION: The evaluation of the accuracy of clinical indicators, corresponding to the defining characteristics in the study, contributed to screening and diagnostic establishment capacity in clinical practice, and to the translation of theoretical and practical knowledge. IMPLICATIONS FOR NURSING PRACTICE: Accurate clinical indicators of the nursing diagnosis deficient knowledge facilitate the clinical reasoning of nurses and favor the professional's role in the development of health education strategies focused on the acquisition of knowledge about the disease by patients, family members, and caregivers.

OBJETIVO: Avaliar a acurácia das características definidoras e relações causais dos fatores etiológicos do diagnóstico de enfermagem Conhecimento deficiente em pacientes com insuficiência cardíaca. FONTE DE DADOS: Estudo analítico, transversal, sobre a acurácia diagnóstica das características definidoras e relações causais dos fatores etiológicos do diagnóstico de enfermagem. A amostra foi composta por 140 pacientes com insuficiência cardíaca crônica e em acompanhamento ambulatorial. O método de análise de classes latentes foi utilizado para testar as medidas de acurácia e estimar a prevalência do diagnóstico. O cálculo de probabilidades posteriores e a Odds Ratio também foram parâmetros empregados. O estudo teve aprovação do Comitê de Ética em Pesquisa da Universidade Federal de Pernambuco. SÍNTESE DE DADOS: O diagnóstico apresentou prevalência estimada de 38,57% na população. As Declarações imprecisas sobre a doença e/ou terapêutica, Déficit no desempenho do autocuidado e Comportamento inadequado foram os indicadores clínicos que melhor predisseram a presença do diagnóstico e demonstraram o mesmo valor de sensibilidade (1.0000), especificidade (1.0000) e intervalo de confiança 95% (0.9999­1.0000) para todos. As populações em risco Idoso (Odds Ratio = 2.12, intervalo de confiança 95% = 1.05­4.27) e Indivíduos analfabetos (Odds Ratio = 2.07, intervalo de confiança 95% = 1.03­4.16) apresentaram, aproximadamente, duas vezes a chance de desenvolver o conhecimento deficiente. CONCLUSÃO: A avaliação da acurácia dos indicadores clínicos, correspondentes as características definidoras no estudo, contribuiu para a capacidade de triagem e estabelecimento de diagnósticos na prática clínica e para a tradução de conhecimentos teóricos e práticos. IMPLICAÇÕES PARA PRÁTICA DE ENFERMAGEM: Indicadores clínicos acurados do diagnóstico de enfermagem Conhecimento deficiente facilitam o raciocínio clínico do enfermeiro e favorecem a atuação do profissional na elaboração de estratégias de educação em saúde focadas na aquisição do conhecimento sobre a doença por parte de pacientes, familiares e cuidadores.

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PURPOSE: To describe a middle range theory (MRT) with conceptual and explicative capacity of cause and effect situations of Ineffective social support network in nursing. DATA SOURCES: Descriptive study developed through the Lopes, Silva, and Herdman theoretical-causal validity method, using five steps for theory construction: definition of the approach for constructing the MRT, definition of the main concepts, development of the pictorial diagram, construction of propositions, and establishment of causal relationships and evidence for practice. The foundation of these steps and the development of a predictive nursing theory occurred through Sanicola's Social Network Theory combined with studies from an integrative literature review using the six steps proposed by Whittemore and Knafl. DATA SYNTHESIS-FINDINGS: The theory presents etiological factors and clinical indicators for Ineffective social support network, connecting situations related to the person, the members and the configuration of this network, and external situations. The pictogram, symbolically created, represents the hierarchical classification of proximal, intermediate, and distal etiological factors, and their relationship with clinical indicators. CONCLUSIONS: The MRT, predictive for the nursing phenomenon Ineffective social support network, provides understanding of the person from an interpersonal perspective, which interferes with and is affected by a network of virtues and vicissitudes, and has negative influences on health outcomes. Due to its practical vocation, this theory represents an advance in the science and praxis of nursing. IMPLICATIONS FOR CLINICAL PRACTICE: The findings of this study will contribute to the understanding of the nursing phenomenon Ineffective social support network and consequently support the identification of the nursing diagnosis Ineffective social support network, proposed for inclusion in the NANDA-I classification.

OBJETIVO: Descrever uma teoria de médio alcance (TMA) com capacidade conceitual e explicativa para situações de causa e efeito do fenômeno de enfermagem Rede social de apoio ineficaz. FONTES DE DADOS: Estudo descritivo desenvolvido por meio do método de validade teórico-causal de Lopes, Silva e Herdman, que utilizou para a construção da teoria cinco etapas: Definição da abordagem para construção da TMA, definição dos conceitos principais, desenvolvimento do pictograma, construção das proposições e estabelecimento das relações causais e evidências para a prática. Para fundamentar estes passos, e desenvolver uma teoria de enfermagem preditiva, utilizou-se a Teoria de Rede social de Sanicola e estudos provenientes de uma revisão integrative da literature, a qual seguiu os seis passos propostos por Whittemore e Knafl. SÍNTESE DOS DADOS: A teoria apresenta fatores etiológicos e indicadores clínicos para a rede social de apoio ineficaz, relacionando situações relativas à pessoa, aos membros e configuração dessa rede, e a situações externas. O pictograma, criado simbolicamente, representa a classificação hierárquica dos fatores etiológicos proximais, intermediários e distais e sua relação com os indicadores clínicos. CONCLUSÕES: A teoria de médio alcance preditiva para o fenômeno enfermagem Rede social de apoio ineficaz, permite compreender a pessoa em uma perspectiva interpessoal, que interfere e é afetada por uma rede de virtudes e vicissitudes, que pode influenciar negativamente nos resultados de saúde. Por sua vocação prática, essa teoria representa um avanço na ciência e na práxis da enfermagem. IMPLICAÇÕES PARA A PRÁTICA DE ENFERMAGEM: Os achados deste estudo contribuirão para a compreensão do fenômeno enfermagem rede social de apoio ineficaz e, consequentemente, subsidiarão a identificação do diagnóstico de enfermagem rede social de apoio ineficaz, proposto para inclusão na classificação NANDA-I.

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INTRODUCTION: Hemodialysis (HD) patients should be trained to develop self-care behaviors in order to prevent and preserve their arteriovenous fistula (AVF). The aim of this study was identifying the factors that affect the levels of self-care behavior with AVF by HD patients. METHODS: A cross-sectional study was conducted involving 89 patients. RESULTS: Self-care levels were negatively affected by patients' location (Azores) and positively affected by marital status, education, employment, AVF duration, and absence of complications with the AVF. Concerning the management of signs and symptoms, self-care levels were negatively affected by patients' location. Regarding prevention of complications, self-care levels were negatively affected by age and marital status and positively affected by marital status, employment, chronic kidney disease etiology, AVF duration, and previous AVF. CONCLUSION: Further studies are required in order to confirm whether the considered factors affect levels of self-care behaviors with AVF, or whether other factors are needed as well.

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OBJETIVO: Validar el contenido del guion de un video educativo para promover el autocuidado de la fístula arteriovenosa en los pacientes renales crónicos, con enfermeras y comunicadores sociales. MÉTODO: Estudio metodológico que construyó y validó un video educativo. En primer lugar, las demandas de autocuidado se identificaron por medio de una revisión de la literatura sobre autocuidado con fístula arteriovenosa. A continuación, la construcción del video siguió los pasos de preproducción, producción y posproducción. La validación del contenido del video ocurrió en la fase de preproducción y contó con 22 jueces de enfermería y profesionales de los medios. El estudio fue aprobado por el Comité de Ética en Investigación, bajo el Certificado de ética: 61705516.0.0000.5208. RESULTADOS: Los siguientes ítems presentaron una evaluación negativa de los jueces: las escenas descritas reflejan estereotipos o discriminación (p = 0,008), el ritmo de las escenas es agotador (p = 0,001/p = 0,034), los personajes/imágenes son atractivos para el público (p = 0,006), las ilustraciones reflejan aspectos importantes del tema en el estudio (p = 0,006), las ilustraciones motivan la comprensión del mensaje de video (p = 0,001) y la estructura general es creativa (p = 0,001). CONCLUSIÓN: El video educativo fue considerado válido por jueces de enfermería y profesionales de los medios de comunicación, para promover el autocuidado de la fístula arteriovenosa en pacientes renales

OBJECTIVE: To validate the content of the script of an educational video to promote self-care with arteriovenous fistula in chronic renal patients with nurses and social communicators. METHOD: Methodological study that constructed and validated an educational video. Firstly, the demands of self-care were identified through a literature review on self-care with arteriovenous fistula. Then the construction of the video followed the steps of pre-production, production and post-production. The script's content validation occurred in the pre-production phase and counted on 22 nursing judges and media professionals. The study was approved by the Ethics Committee in Research, under opinion 61705516.0.0000.5208. RESULTS: The following items received a negative evaluation from the judges: "The scenes described reflect stereotypes or discrimination" (p = 0.008) and "The pace of the scenes is tiring" (p = 0.001/p = 0.034), "The characters/images are appealing to the audience (p = 0.006), "The illustrations reflect important aspects of subject under study" (p = 0.006), "The illustrations promote the understanding of the video message" (p = 0.001) and "The general structure is creative" (p = 0.001). CONCLUSION: The educational video was considered valid by the nursing judges and media professionals to promote self-care with arteriovenous fistula among renal patients

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OBJECTIVE: To identify self-care actions for the maintenance of arteriovenous fistula of renal patients. METHOD: An integrative review study was conducted and literature were searched in Medline/PubMed, Scopus, CINAHL, LILACS, BDENF and SciELO Library databases using the descriptors chronic renal insufficiency, arteriovenous fistula, self-care, and knowledge. The inclusion criteria were that the documents be written in Portuguese, English, and Spanish, full text available, published in the last five years, and that they address the research question. Reflection articles, theses, dissertations, editorials of non-scientific journals, and research studies that did not follow the necessary methodological rigor were excluded. Data were analyzed with the IRAMUTEQ software. RESULTS: Fifteen articles were selected and comprised the final sample. Seven classes of self-care actions emerged from the text segments analysis and grouped into three categories: 1) Self-care actions that maintain the arteriovenous fistula; 2) Self-care actions for the prevention and the monitoring of complications with arteriovenous fistula; 3) Self-care actions directed at the perioperative period of arteriovenous fistula preparation. CONCLUSION: The results allowed us to identify important care for the maintenance of arteriovenous fistula functionality. The self-care actions identified in this study can guide a nursing care policy for implementation with protocols that help identify problems related to self-care actions and, thus, subsidize the development of actions aimed at the renal patient. However, more studies with high levels of evidence that identify self-care actions with arteriovenous fistula and the factors involved in its implementation are needed.

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AIMS AND OBJECTIVES: To evaluate the clinical validity of indicators of the nursing diagnosis of "ineffective protection" in haemodialysis patients. BACKGROUND: Haemodialysis patients have reduced protection. Studies on the nursing diagnosis of "ineffective protection" are scarce in the literature. The use of indicators to diagnose "ineffective protection" could improve the care of haemodialysis patients. The clinical usefulness of the indicators requires clinical validation. DESIGN: This was a diagnostic accuracy study. METHOD: This study assessed a sample of 200 patients undergoing haemodialysis in a reference clinic for nephrology during the first half of 2015. Operational definitions were created for each clinical indicator based on concept analysis and content validation by experts for these indicators. Diagnostic accuracy measurement was performed with latent class analysis with randomised effects. RESULTS: The clinical indicator of "fatigue" had high sensitivity (p = .999) and specificity (p = 1.000) for the identification of "ineffective protection." Additionally, "maladaptive response to stress" (p = .711) and "coagulation change" (p = .653) were sensitive indicators. The main indicators that showed high specificity were "fever" (p = .987), "increased number of hospitalisations" (p = .911), "weakness" (p = .937), "infected vascular access" (p = .962) and "vascular access dysfunction" (p = .722). CONCLUSION: A set of nine clinical indicators of "ineffective protection" were accurate and statistically significant for haemodialysis patients. Three clinical indicators showed sensitivity, and six indicators showed specificity. RELEVANCE TO CLINICAL PRACTICE: Accurate measures for nursing diagnoses can help nurses confirm or rule out the probability of the occurrence of "ineffective protection" in patients undergoing haemodialysis.

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OBJECTIVE: To explore the relationship between the risk factors for the development of venous ulcers and the indicators of tissue integrity from the Nursing Outcomes Classification. METHODOLOGY: A cross-sectional study conducted in 2013 in a university hospital in Natal/RN (Brazil). Fifty individuals selected by consecutive sampling participated in an interview and physical examination. RESULTS: The most important risk factors were: 44% presented with arterial hypertension, 26% allergy, 20% diabetes mellitus, 4% participated in some physical activity, 6% were smokers and 14% drank alcohol. There was a statistically significant association between diabetes mellitus and the texture of the lesion (p=0.015) and tissue perfusion (p=0.026); allergy and texture (p=0.034); physical activity and hydration (p = 0.034); smoking and thickness (p = 0.018); and alcoholism and exudate of the ulcer (p=0.045). CONCLUSION: . The relationship between risk factors and the nursing outcome indicators generated information relevant to the development of guidelines for the monitoring and treatment of venous ulcer information.

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