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[Diabetic emergencies]

W Berger1

  • 1Abteilung Endokrinologie, Kantonsspital Basel.

Praxis
|February 18, 1997
PubMed
Summary
This summary is machine-generated.

Diabetic emergencies like ketoacidosis and hyperosmolar coma are serious but often preventable. Patient education on early signs and proper medication management is crucial for avoiding severe complications and improving outcomes.

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Area of Science:

  • Endocrinology
  • Metabolic Disorders
  • Pharmacology

Background:

  • Diabetic emergencies, including diabetic ketoacidosis (DKA) and hyperosmolar non-ketotic coma (HNKC), represent severe metabolic decompensations of diabetes mellitus.
  • DKA primarily affects type I diabetes patients, while HNKC is more common in type II diabetes.
  • Severe hypoglycemia and lactic acidosis are critical adverse effects associated with diabetes medications like sulfonylureas, insulin, and biguanides.

Observation:

  • DKA has an incidence of 1-5% in type I diabetics with 3-9% mortality. HNKC has a significantly higher mortality rate (20-40%), often due to advanced age and comorbidities.
  • Infections, medication errors, and non-compliance are primary triggers for diabetic coma.
  • Glibenclamide demonstrates a 3-5 fold higher incidence of severe hypoglycemia compared to other sulfonylureas; long-term safety data for newer agents like glimepirid is limited.

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Findings:

  • Adequate fluid and electrolyte replacement are paramount in treating DKA and HNKC. Prompt antibiotic treatment is essential for infections.
  • Risk factors for severe hypoglycemia under insulin therapy include near-normal glycemic control, rapid HbA1c reduction, impaired renal function, and hypoglycemia unawareness.
  • Biguanide therapy is contraindicated in patients with impaired renal function due to the risk of lactic acidosis.

Implications:

  • Patient education regarding early warning signs (loss of appetite, vomiting) and adherence to treatment regimens can significantly reduce the incidence of diabetic emergencies.
  • Careful clinical and laboratory monitoring is necessary to prevent iatrogenic complications such as hypokalemia and hypovolemia.
  • Avoiding glibenclamide and exercising caution with newer sulfonylureas, alongside vigilant monitoring for hypoglycemia, especially in the afternoon, is recommended.