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Arq. bras. endocrinol. metab ; 57(7): 533-537, out. 2013. tab
Article in Portuguese | LILACS | ID: lil-690591

ABSTRACT

OBJETIVO: Avaliar o efeito de 12 semanas de exercícios físicos em variáveis associadas a fatores de risco cardiovascular e na atividade da butirilcolinesterase (BChE) em adolescentes obesos. SUJEITOS E MÉTODOS: A amostra foi composta por 24 obesos e 51 eutróficos controles. Inicialmente e após 12 semanas foram avaliados: peso, estatura, IMC, circunferência abdominal (CA), percentual de gordura (%G), consumo máximo de oxigênio (VO2máx), pressão arterial sistólica (PAS) e diastólica (PAD), glicemia (GLI) e insulinemia (INS) basal e após 120 min, triacilglicerol (TG), colesterol total (CT), colesterol LDL, colesterol HDL e a atividade da BChE (kU/l). RESULTADOS: Após a intervenção, houve redução significativa no IMC, CA, %G, PAD, PAD, TG, GLI 120, INS, INS 120 min e na atividade da BChE. CONCLUSÃO: A redução da atividade da BChE, observada após a intervenção, foi acompanhada da redução de variáveis associadas a risco cardiovascular e à obesidade, indicando que a BChE pode ser utilizada como marcador secundário para os riscos associados à obesidade precoce.


OBJECTIVE: To evaluate the effect of 12 weeks of physical exercise (PE) on cardiovascular risk factors and BChE activity in obese adolescents. SUBJECTS AND METHODS: The sample consisted of 24 obese adolescents and 51 normal weight controls. The following variables were measured in the initial stage and after 12 weeks: weight, height, BMI, waist circumference (WC), fat percentage (% F), maximal oxygen uptake (VO2max), systolic (SBP) and diastolic (DBP) blood pressure, glucose (GLY) and insulin (INS) at baseline and after 120 min, triacylglycerol (TG), total cholesterol (TC), LDL cholesterol, HDL cholesterol, and BChE activity (kU/l). RESULTS: After the intervention, there was significant reduction in BMI, WC, %F, TG, GLI 120, INS 120 min, and BChE activity. CONCLUSION: The reduction in BChE activity, observed after physical exercise, was accompanied by the reduction of the variables associated with cardiovascular risk and obesity, indicating that BChE can be used as a secondary marker for the risk associated with early onset obesity.


Subject(s)
Adolescent , Child , Female , Humans , Male , Butyrylcholinesterase/metabolism , Cardiovascular Diseases/enzymology , Exercise/physiology , Obesity/enzymology , Arterial Pressure/physiology , Body Mass Index , Case-Control Studies , Cardiovascular Diseases/physiopathology , Cholesterol/blood , Insulin/blood , Lipid Metabolism , Obesity/physiopathology , Risk Factors , Triglycerides/blood , Waist Circumference
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