Aims/hypothesis. Hyperglycaemia that is induced short-term slows gastric emptying in healthy subjects and patients with diabetes mellitus. Little information is available on the impact of longer-lasting, naturally occurring blood glucose increases and their reduction to euglycaemic values. We studied the relation between gastric emptying and pre-prandial and postprandial blood glucose concentrations in patients with Type II (non-insulin-dependent) diabetes mellitus and secondary failure to respond to oral hypoglycaemic treatment (a) before readjusting hypoglycaemic therapy and (b) 1 week thereafter. Methods. We studied 9 female and 1 male patient (age 60-78 years, BMI 21.9-32.5 kg/m2, diabetes duration 3-33 years, HbA(1c) 8.8-13.2%). Gastric emptying of a radiolabelled semisolid 1168 kJ meal was recorded scintigraphically. Results. Blood glucose concentration pre-prandial and postprandial was considerably lower subsequent to than before therapy readjustment in all patients (fasting, 7.9 mmol/l ± 1.5 SD vs 11.7 ± 1.7 mmol/l; 60 min postprandial, 11.7 ± 2.0 vs 15.4 ± 2.2 mmol/l). By contrast, gastric emptying was unchanged (residual radioactivity in stomach 50 min postprandial 65.7 ± 14.1% vs 66.5 ± 12.9%). There was no relation between emptying and either fasting blood glucose concentration or its postprandial increase. Conclusion/interpretation. The data do not support a major impact of actual, longer-lasting, naturally occurring blood glucose concentrations upon the rate of gastric emptying in patients with Type II diabetes.
CITATION STYLE
Holzäpfel, A., Festa, A., Stacher-Janotta, G., Bergmann, H., Shnawa, N., Brannath, W., … Stacher, G. (1999). Gastric emptying in type II (non-insulin-dependent) diabetes mellitus before and after therapy readjustment: No influence of actual blood glucose concentration. Diabetologia, 42(12), 1410–1412. https://doi.org/10.1007/s001250051311
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