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Published on: April 29, 2013
Electrogastrography in children and adolescents with type 1 diabetes: weak correlation with metabolic control
Ewa Toporowska-Kowalska1, Krystyna Wasowska-Królikowska, Agnieszka Szadkowska
1Department of Paediatric Gastroenterology and Allergology, Medical University of Lodz, Lodz, Poland. etka@op.pl
Aim:
To evaluate gastric myoelectrical activity with respect to duration and metabolic control of type 1 diabetes mellitus (T1DM).
Methods:
172 children and adolescents with T1DM (mean 14.4+/-3.7 y), divided into subgroups depending on diabetes duration (< 5 and > 5 y), and 35 healthy controls (mean 13.93+/-3.59 y) were examined. All subjects underwent electrogastrography (EGG) performed after overnight fasting. In subjects with T1DM, haemoglobin A1c (HbA1c) and blood glucose levels during EGG records were measured.
Results:
15.69% of T1DM patients and 91.42% of the controls fulfilled normal EGG criteria (p < 0.001). T1DM subjects had a lower percentage of fasting normogastria (34.56+/-27.35% vs 69.84+/-18.16%, p = 0.0001) and higher bradygastria (51.97+/-30.24% vs 19.11+/-15.01%, p = 0.0001) compared to controls. In diabetic patients, an increase in postprandial normogastria (60.37+/-23.96% vs 76.68+/-12.38, p < 0.05) and a decrease in bradygastria percentage (25.67+/-21.01% vs 9.58+/-7.13%, p < 0.05) was observed. In children with disease < 5 y, diabetes duration correlated with power ratio (r = - 0.27, p = 0.01), postprandial normogastria (r = - 0.24, p = 0.03) and tachygastria (r = 0.25, p = 0.02). Weak correlations between EGG parameters and glucose (preprandial dominant frequency r = - 0.19, p < 0.05; postprandial normogastria r = 0.23, p < 0.01) and HbA1c levels (preprandial bradygastria r = 0.19, postprandial dominant power r = 0.23; p < 0.05) were observed.
Conclusion:
Gastric myoelectrical rhythm derangement is present in a large proportion of young diabetic patients. Bradygastria is the most prominent EGG abnormality. Weak correlation was found between EGG parameters and diabetes metabolic control.
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