| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| 2.55 MB | Adobe PDF |
Authors
Abstract(s)
Introdução: O Wisconsin Card Sorting Test (WCST) é um instrumento
neuropsicológico que apela particularmente à flexibilidade cognitiva (FC), habilidade
fundamental na regulação e adaptação dos comportamentos. Perante o seu contributo na
perda e manutenção de peso, o principal objetivo foi explorar o valor preditivo do
desempenho pré-operatório nas dimensões de FC do WCST, na perda de peso aos 12 (1),
aos 24 (2), e entre os 12 e os 24 (3) meses após a cirurgia bariátrica (CB). Adicionalmente,
explorou-se o valor preditivo de fatores emocionais e do comportamento alimentar
compulsivo.
Metodologia: A amostra foi composta por 100 mulheres submetidas a CB num
Hospital público de Lisboa. A variação de perda de peso (VPP) foi a principal variável
em estudo, sendo representada pela seguinte expressão: (Peso inicial - Peso final) / (Peso
inicial) ∗ 100. Foram recolhidos os dados do WCST, da Escala de Avaliação de Sintomas
(SCL-90-R) e da Escala de Compulsão Alimentar Periódica (BES). Realizámos modelos
de regressão múltipla linear (MRML) para obter modelos explicativos da VPP(1 e 2), e
testes T-Student para a comparação entre o grupo que manteve e o que não manteve a
perda de peso no terceiro momento de analise.
Resultados: Observou-se uma relação negativa e estatisticamente significativa
entre o número de respostas perseverativas (RP) do WCST e a VPP(1 e 2), mesmo quando
controlados os fatores idade, escolaridade e sintomatologia depressiva e de ansiedade. Os
MRML permitiram identificar o número de RP (p<0.01) como preditor altamente
significativo da VPP1, e o índice de ansiedade e de obsessão-compulsão da SCL-90-R
(p<0.01) como preditores altamente significativos da VPP(1 e 2).
Conclusão: Um maior número de RP, que reflete uma persistência de estratégias
mal adaptativas, parece sustentar uma menor VPP1, período durante o qual é fundamental
incorporar e adaptar os novos estilos de vida ao quotidiano. Os resultados parecem
suscitar o interesse em aplicar o WCST nas consultas de psicologia prévias à CB.
Contudo, é necessário replicar os resultados, contornando as presentes limitações.
Theoretical foundation: The Wisconsin Card Sorting Test (WCST) is a neuropsychological instrument that appeals to cognitive flexibility (CF), a fundamental skill in the regulation and adaptation of behaviors. In view of its contribution to weight loss, the main objective was to explore the predictive value of preoperative performance in WCST CF measures in weight loss at 12 (1), 24 (2), and between 12 and 24 (3) months after bariatric surgery (BC). Additionally, the predictive value of psychological factors and compulsive eating behavior was explored. Methodology: The sample comprised 100 women who underwent BC in a public Hospital in Lisbon. The total weight loss (TWL) was the main variable under analysis, being represented by the following expression: (Initial weight - Final weight) / (Initial weight) ∗ 100. Data from WCST, the Symptom Checklist 90 (SCL-90-R) and the Binge Eating Scale (BES) were collected. We performed multiple linear regression models (MLRM) to obtain explanatory models of TWL(1 e 2) and T-Student tests for the comparison between the group that maintained the weight loss and the one that did not between 12 and 24 months. Results: We observed a negative and statistically significant relationship between the number of WCST perseverative responses (PR) and TWL(1 e 2), even after controlling for age, schooling and symptoms of depression and anxiety. The MLRM allowed the identification of the number of PR (p<.01) as a highly significant predictor of the TWL1, and the SCL-90-R anxiety and obsession-compulsion index (p<0.01) as highly significant predictors of TWL(1 e 2). Conclusion: A greater number of PR, which reflects a persistence of poorly adaptive strategies, seems to support a lower TWL1, a period during which it is essential to adapt and incorporate new lifestyles into everyday life. The results seem to generate interest in applying the WCST in psychology sessions prior to BC. However, it is necessary to replicate the results, circumventing the limitations of the present study.
Theoretical foundation: The Wisconsin Card Sorting Test (WCST) is a neuropsychological instrument that appeals to cognitive flexibility (CF), a fundamental skill in the regulation and adaptation of behaviors. In view of its contribution to weight loss, the main objective was to explore the predictive value of preoperative performance in WCST CF measures in weight loss at 12 (1), 24 (2), and between 12 and 24 (3) months after bariatric surgery (BC). Additionally, the predictive value of psychological factors and compulsive eating behavior was explored. Methodology: The sample comprised 100 women who underwent BC in a public Hospital in Lisbon. The total weight loss (TWL) was the main variable under analysis, being represented by the following expression: (Initial weight - Final weight) / (Initial weight) ∗ 100. Data from WCST, the Symptom Checklist 90 (SCL-90-R) and the Binge Eating Scale (BES) were collected. We performed multiple linear regression models (MLRM) to obtain explanatory models of TWL(1 e 2) and T-Student tests for the comparison between the group that maintained the weight loss and the one that did not between 12 and 24 months. Results: We observed a negative and statistically significant relationship between the number of WCST perseverative responses (PR) and TWL(1 e 2), even after controlling for age, schooling and symptoms of depression and anxiety. The MLRM allowed the identification of the number of PR (p<.01) as a highly significant predictor of the TWL1, and the SCL-90-R anxiety and obsession-compulsion index (p<0.01) as highly significant predictors of TWL(1 e 2). Conclusion: A greater number of PR, which reflects a persistence of poorly adaptive strategies, seems to support a lower TWL1, a period during which it is essential to adapt and incorporate new lifestyles into everyday life. The results seem to generate interest in applying the WCST in psychology sessions prior to BC. However, it is necessary to replicate the results, circumventing the limitations of the present study.
Description
Keywords
Perda de peso Cirurgia bariátrica Flexibilidade cognitiva Wisconsin Card Sorting Test Weight loss Bariatric surgery Cognitive flexibility