Effect of hyperglycemia and insulin in acute coronary syndromes

Paresh Dandona1, Ajay Chaudhuri, Husam Ghanim

  • 1Division of Endocrinology, Diabetes and Metabolism, State University of New York at Buffalo, Buffalo, New York, USA. pdandona@kaleidahealth.org

Insights

Hyperglycemia increases risks for critically ill patients. Insulin infusion helps control blood sugar, improving outcomes by reducing inflammation and promoting euglycemia.

Area of Science:

  • Critical care medicine
  • Endocrinology
  • Cardiovascular medicine

Background:

  • Hyperglycemia is linked to worse outcomes in intensive care, acute myocardial infarction, stroke, and coronary artery bypass grafting.
  • Insulin infusion therapy has shown benefits in controlling hyperglycemia and improving clinical results in these patient populations.

Purpose of the Study:

  • To review data on the proinflammatory effects of glucose and free fatty acids.
  • To discuss the anti-inflammatory properties of insulin.
  • To provide a mechanistic basis for the benefits of euglycemia achieved through insulin infusion in hospitalized patients.

Main Methods:

  • Review of existing published data.
  • Analysis of studies investigating the inflammatory effects of glucose and free fatty acids.
  • Examination of research on insulin's anti-inflammatory actions.

Main Results:

  • Glucose and free fatty acids exhibit proinflammatory effects.
  • Insulin demonstrates anti-inflammatory properties.
  • Maintaining euglycemia with insulin infusion is mechanistically justified for improved patient outcomes.

Conclusions:

  • Insulin infusion is a key therapeutic strategy for managing hyperglycemia in hospitalized patients.
  • Understanding the inflammatory pathways modulated by insulin provides a rationale for its clinical benefits.
  • Controlling blood glucose levels is crucial for reducing morbidity and mortality in critical care settings.

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