The rationale and management of hyperglycemia for in-patients with cardiovascular disease: time for change

Dace L Trence1, Janet L Kelly, Irl B Hirsch

  • 1Division of Metabolism, Endocrinology, and Nutrition, University of Washington School of Medicine, Seattle, Washington 98195-6176, USA.

Insights

Aggressive glycemic control using intravenous glucose, insulin, and potassium (GIK) improves hospital patient outcomes, particularly for those with cardiovascular disease. Understanding insulin administration is crucial for effective treatment, even in non-diabetic patients.

Area of Science:

  • Cardiology
  • Endocrinology
  • Critical Care Medicine

Background:

  • Hyperglycemia is linked to poor wound healing and increased infections, especially post-cardiac surgery.
  • Aggressive glycemic control shows promise for improving clinical outcomes in hospitalized patients.
  • Cardiovascular disease patients may particularly benefit from optimized blood sugar management.

Purpose of the Study:

  • To review the evidence supporting aggressive glycemic control in hospitalized patients.
  • To explore the mechanisms behind improved outcomes with glucose, insulin, and potassium (GIK) therapy.
  • To emphasize the importance of understanding insulin administration for effective patient care.

Main Methods:

  • Review of existing literature on glycemic control strategies in hospitalized patients.
  • Analysis of studies investigating the effects of intravenous (i.v.) glucose, insulin, and potassium (GIK) administration.
  • Discussion of the practical aspects of both i.v. and subcutaneous (s.c.) insulin use.

Main Results:

  • Evidence suggests that aggressive glycemic control improves outcomes in hospitalized patients, including those without diabetes.
  • Intravenous GIK therapy has demonstrated better clinical outcomes.
  • Potential mechanisms include insulin's effect on cytokines and free fatty acids.

Conclusions:

  • Effective glycemic management, particularly with insulin, is vital for improving patient outcomes in hospital settings.
  • Caregivers must be knowledgeable about various insulin administration strategies (i.v. and s.c.).
  • Further research into the precise mechanisms of insulin's benefits is warranted.

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