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The Journal of Sports Medicine and Physical Fitness 2016 May 24

lingua: Inglese

Diabetes education program with emphasis on physical exercise promotes significant reduction in blood glucose, HbA1c and triglycerides in subjects with type 2 diabetes: a community-based quasi-experimental study

Guilherme F. MENDES 1, Júlia A. NOGUEIRA 1, Caio E. REIS 2, Micheline M. DE MEINERS 3, Jane DULLIUS 1

1 College of Physical Education, University of Brasília, Brasília, Brazil; 2 College of Nutrition, University of Brasília, Brasília, Brazil; 3 College of Pharmacy, Ceilândia Campus, University of Brasília, Brasília, Brazil


BACKGROUND: Diabetes Mellitus (DM) requires permanent multidisciplinary treatment. This study investigated the effects of an educational program with emphasis on physical exercise on biological health markers of subjects with type 2 DM.
METHODS: This was a quasi- experimental study with subjects that attended a diabetes education program over one year. At the beginning, middle and end of the annual cycle, glycated hemoglobin (HbA1c), lipid profile and anthropometry were measured. The program offered two hours of educational and exercise interventions twice a week. Before and after each session capillary blood glucose (BG) was measured. Statistical analysis used Pearson chi-square, paired t, ANOVA-RM and MANOVA tests to compare results with significance levels set at p<0.05.
RESULTS: Data of 103 subjects (73% women) were analyzed. Mean (standard deviation; SD) age was 64.1 (10.8) years and 23% of participants were on insulin therapy. As an acute effect mean (SD) BG decreased significantly (p<0.001) from 157.5 (61.5) mg/dL before to 128.5 (47.5) mg/dL after the intervention sessions, also resulting in increased prevalence of normoglycemic BG (from 44.0% to 68.6%). Chronic effects of participation in the program could be perceived trough significant reduction (p<0.05) from beginning to end of the study of mean (SD) BG [from 144.8 (5.0) to 135.3 (3.1) mg/dL], HbA1c [from 7.3 (1.3) to 7.1 (1.0) %] and triglycerides [from 177.9 (121.3) to 150.5 (130.9) mg/dL]. There were no significant changes in anthropometric variables.
CONCLUSIONS: A diabetes education program with emphasis on supervised physical exercise improved triglycerides and glycemic control in subjects with T2DM.

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