Long-term physical training in female Type 1 (insulin-dependent) diabetic patients: absence of significant effect on glycaemic control and lipoprotein levels |
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Authors: | H Wallberg-Henriksson R Gunnarsson S Rössner J Wahren |
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Institution: | (1) Departments of Clinical Physiology and Medicine, Karolinska Institute, Huddinge Hospital, and King Gustaf V Research Institute, Karolinska Hospital, Stockholm, Sweden |
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Abstract: | Summary No objective evidence has been presented to support the beneficial effect of physical training on glycaemic control in Type
1 (insulin-dependent) diabetic patients trained two to three times a week for several months. In the present study we examined
the possibility that a daily exercise programme would be more suitable for improving glycaemic control. Thirteen patients
completed a 5-month study; 6 were randomized to exercise training (20 min daily bicycle exercise) and 7 served as non-exercising
controls. The training resulted in an 8% increase in maximal oxygen uptake (p < 0.05). No change in glycaemic control occurred during the study period in either group. In addition, serum lipid and lipoprotein
levels were followed. Total cholesterol decreased during the study period irrespective of training. No effect was noted on
the levels of LDL, VLDL, HDL and HDL2 cholesterol. A significant training effect was obtained in the HDL3 subfraction (−10%,p < 0.05). Total triglycerides were unchanged, but a decrease in the level of LDL triglycerides was observed with training
(−12%,p < 0.01). It is concluded that, in female Type 1 diabetic patients, daily physical training for several months does not improve
glycaemic control and results only in minor changes in serum lipoprotein profiles. |
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Keywords: | Type 1 (insulin-dependent) diabetes maximal oxygen uptake exercise serum triglycerides serum cholesterol glycaemic control |
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