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      Questionário nutricional simplificado de apetite (QNSA) para uso em programas de reabilitação cardiopulmonar e metabólica Translated title: Simplified nutritional appetite questionnaire (SNAQ) for cardiopulmonary and metabolic rehabilitation program

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          Abstract

          O presente estudo teve por objetivo traduzir e validar para a língua portuguesa o Questionário Nutricional Simplificado de Apetite (QNSA), verificando sua clareza e validade para participantes de programa de Reabilitação Cardiopulmonar e Metabólica (RCPM). Cento e quarenta e seis indivíduos foram entrevistados, sendo 79 homens, com média de idade de 63 anos (± 10) e 67 mulheres, com média de 66 anos (± 11). A análise descritiva foi apresentada em média, desvio padrão e frequência. A consistência interna da escala foi avaliada por meio do coeficiente alfa de Cronbach e a análise fatorial pelo método de extração de análise dos componentes principais utilizando os critérios de Kaiser (autovalores > 1). Todas as questões do instrumento apresentaram resultados positivos em relação à clareza. Os itens do questionário apresentaram carga fatorial superior a 0,40, com variação de 0,40 a 0,81. Com exceção da questão relacionada com a quantidade de refeições diárias, todas as demais apresentaram alta correlação com o escore total da versão brasileira do instrumento. No que se refere à análise de consistência interna, obteve-se resultado de 0,61. A versão brasileira do QNSA demonstrou ser válida para aplicação em participantes de programa de RCPM, constituindo-se em uma importante ferramenta na avaliação do apetite nessa população.

          Translated abstract

          This study aimed to translate and validate a Brazilian version of the Simplified Nutritional Appetite Questionnaire (SNAQ), checking its clarity and validity for the participants of the Cardiopulmonary and Metabolic Rehabilitation Program (CPMR). One hundred and forty-six subjects were interviewed: 79 males, mean age of 63 years (±10) and 67 women, mean age of 66 years (±11). Descriptive analysis was presented as mean, standard deviation and frequency. The internal consistency of the scale was assessed using Cronbach's alpha coefficient and factor analysis by the method of extraction of principal components analysis using Kaiser's criteria (eigenvalues > 1). All questions of the instrument showed positive results regarding clarity. The questionnaire items presented factor loadings above 0.40, (ranging from 0.40 to 0.81). Except for the issue related to the amount of daily meals, all others showed high correlation with the total score of the Brazilian version. Regarding the analysis of internal consistency, the result of 0.61 was reached. In conclusion, the Brazilian Version of SNAQ proved to be valid for use in CPMR program participants, thus becoming an important tool in assessing the appetite of the Brazilian population.

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          Appetite assessment: simple appetite questionnaire predicts weight loss in community-dwelling adults and nursing home residents.

          Anorexia-related weight loss can have devastating consequences on quality-of-life, morbidity, and mortality. Without a simple tool to evaluate appetite, health care providers often use inaccurate surrogates, such as measurement of energy consumption and nutritional risk, to reflect appetite. We aimed to validate a simple tool for assessing appetite and predicting weight loss. This was a cross-sectional measurement study conducted on long-term care residents and community-dwelling adults. Construct validity of the 8-item Council on Nutrition appetite questionnaire (CNAQ) and its 4-item derivative, the simplified nutritional appetite questionnaire (SNAQ), were examined through correlation with a previously validated research tool: the appetite hunger and sensory perception questionnaire (AHSP). The length and complexity of the AHSP render it inefficient for clinical use. The sensitivity and specificity of the CNAQ and SNAQ to predict significant weight loss were calculated. Cronbach's alpha coefficients for the CNAQ were 0.47 (long-term care group) and 0.72 (community-dwelling group). In the long-term care group, the CNAQ correlated with the AHSP (r = 0.60, P < 0.001) and with the AHSP domains of taste (r = 0.47, P < 0.0001), hunger (r = 0.51, P < 0.0001), and smell (r = 0.53, P < 0.0001). The CNAQ showed sensitivities and specificities for 5% and 10% weight losses of 80.2 and 80.3 and 82.4 and 81.9, respectively. The SNAQ had sensitivities and specificities for 5% and 10% weight losses of 81.3 and 76.4 and 88.2 and 83.5, respectively. The SNAQ and CNAQ are short, simple appetite assessment tools that predict weight loss in community-dwelling adults and long-term care residents. The SNAQ is a 4-item derivative of the CNAQ and thus is clinically more efficient.
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            Metformin Decreases Food Consumption and Induces Weight Loss in Subjects with Obesity with Type II Non-Insulin-Dependent Diabetes

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              Effects of exercise on gut peptides, energy intake and appetite.

              This study investigated the acute effects of exercise on the postprandial levels of appetite-related hormones and metabolites, energy intake (EI) and subjective measures of appetite. Ghrelin, polypeptide YY (PYY), glucagon-like peptide-1 (GLP-1) and pancreatic polypeptide (PP) were measured in the fasting state and postprandially in 12 healthy, normal-weight volunteers (six males and six females) using a randomised crossover design. One hour after a standardised breakfast, subjects either cycled for 60 min at 65% of their maximal heart rate or rested. Subjective appetite was assessed throughout the study using visual analogue scales and subsequent EI at a buffet meal was measured at the end (3-h post-breakfast and 1-h post-exercise). Exercise significantly increased mean PYY, GLP-1 and PP levels, and this effect was maintained during the post-exercise period for GLP-1 and PP. No significant effect of exercise was observed on postprandial levels of ghrelin. During the exercise period, hunger scores were significantly decreased; however, this effect disappeared in the post-exercise period. Exercise significantly increased subsequent absolute EI, but produced a significant decrease in relative EI after accounting for the energy expended during exercise. Hunger scores and PYY, GLP-1 and PP levels showed an inverse temporal pattern during the 1-h exercise/control intervention. In conclusion, acute exercise, of moderate intensity, temporarily decreased hunger sensations and was able to produce a short-term negative energy balance. This impact on appetite and subsequent energy homeostasis was not explained by changes in postprandial levels of ghrelin; however, 'exercise-induced anorexia' may potentially be linked to increased PYY, GLP-1 and PP levels.
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                Author and article information

                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo, SP, Brazil )
                1517-8692
                1806-9940
                October 2012
                : 18
                : 5
                : 313-317
                Affiliations
                [02] Blumenau SC orgnameUniversidade Regional de Blumenau orgdiv1Departamento de Ciências Farmacêuticas Brasil
                [01] Florianópolis SC orgnameUniversidade do Estado de Santa Catarina Brasil
                Article
                S1517-86922012000500006 S1517-8692(12)01800506
                ebf804ea-5c95-47db-bac0-8b9c84288b91

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                SciELO Brazil

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                Artigos Originais

                metabolic diseases,heart diseases,malnutrition,validation studies,doenças metabólicas,doenças cardiovasculares,má nutrição,estudos de validação

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