Hyperglycemia-Induced Pancreatic Damage and Diabetes

Mechanisms of Pancreatic Injury

The American Diabetes Association acknowledges that oxidative damage from hyperglycemia contributes to impaired pancreatic β-cell function and exacerbates insulin resistance 1

Pancreatic diabetes (also called "type 3c diabetes" or "pancreoprivic diabetes") can develop from hyperglycemia-induced pancreatic injury, resulting from both structural and functional loss of glucose-normalizing insulin secretion in the context of exocrine pancreatic dysfunction 2, 3
Patients with pancreatic diabetes typically have low insulin levels due to β-cell damage, reduced glucagon secretion from pancreatic α-cells, lower levels of pancreatic polypeptide, and "brittle" diabetes with erratic blood glucose swings 5

Hyperglycemia-induced pancreatic damage increases the risk of developing diabetes after acute pancreatitis, with approximately 25% of patients developing diabetes or prediabetes following acute pancreatitis 5
Management of pancreatic diabetes is complicated by malabsorption from exocrine dysfunction and poor dietary intake due to chronic abdominal pain 5

The American College of Nutrition recommends individualized medical nutrition therapy with regular blood glucose monitoring for patients with established pancreatic diabetes 5
Treatment of hyperglycemia should be concurrent with addressing any underlying pancreatic conditions, according to the European Association for the Study of Diabetes 6