Abstract
The purpose of this study was to investigate the influence of maximal oxygen uptake (VO2 max) on the glycemic changes during low and high intensity exercises in young type 1 diabetic patients. Twenty boys (age: 14.3 ± 1.6 years; height: 171.0 ± 11.3 cm; weight; 59.5 ± 12.8 kg) were divided into low-fit group (LFG, n = 10) and high-fit group (HFG, n = 10). According to the experimental design, participants performed three physical efforts (VO2 max test, mixed aerobic–anaerobic effort and aerobic effort) on the cycloergometer, during which real-time glycemia was measured. Mixed aerobic–anaerobic exercise demanded significantly smaller carbohydrate supplementation (0.2 ± 0.2 g/kg during exercise) than the aerobic test session (0.4 ± 0.3 g/kg during exercise). Moreover, patients with higher VO2 max had lower tendency for glycemic changes during the aerobic effort. The results of the current study suggest that young type 1 diabetic patients should perform different intensity activities using continuous glycemic monitoring system to avoid acute and chronic complications of the disease.
Highlights
Type 1 diabetes is an autoimmune disease that, under the influence of environmental factors, manifests itself in genetically predisposed individuals [1]
The main finding of this study is that adolescent type 1 diabetes with higher level of maximal oxygen uptake had a lower tendency for glycemic changes during the aerobic effort
Our research suggests that any patient with type 1 diabetes can perform physical activity but should remain under medical supervision and use a continuous glycemic monitoring system
Summary
Type 1 diabetes is an autoimmune disease that, under the influence of environmental factors, manifests itself in genetically predisposed individuals [1]. The pathomechanism of the disease involves T effector lymphocytes, which destroy the beta cells of pancreatic islets producing insulin. Their destruction usually leads to absolute insulin deficiency and the appearance of clinical symptoms of the disease. In addition to insulin therapy, adequate exercise and a scrupulously maintained diet are necessary and integral components of effective treatment of type 1 diabetes [2]. Factors such as properly planned physical activity and the ability to react to changes in glycemia during the training session provide a substantial chance for safe course of glycemia and the absence of complications after the training. Physical activity performed by patients with diabetes does not have to differ from that of a healthy individual
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