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[Insulin: cardiovascular effects and therapeutic applications]
Beatriz D Schaan1, Eneida R Rabelo, Maria Cláudia Irigoyen
1Unidade de Pesquisa, Instituto de Cardiologia do Rio Grande do Sul, Fundação Universitária de Cardiologia, RS. pesquisa@cardiologia.org.br
Arquivos Brasileiros De Endocrinologia E Metabologia
|March 12, 2005
Summary
Insulin and glucose infusions show promise for heart attack and critically ill patients, offering cardiovascular benefits like vasodilation and anti-apoptotic effects. Protocols and understanding are improving for wider clinical use.
Area of Science:
- Cardiology
- Endocrinology
- Critical Care Medicine
Context:
- Studies suggest insulin and glucose infusions benefit patients post-myocardial infarction and in critical illness.
- These infusions are not standard practice due to lack of large trials, unclear mechanisms, and complex protocols.
- Insulin offers cardiovascular advantages including optimized cardiomyocyte substrate use, vasodilation, and anti-apoptotic effects.
Purpose:
- To review clinical studies on glucose and insulin infusions after myocardial infarction and cardiovascular surgery.
- To explore the pathophysiologic mechanisms underlying the benefits of these infusions.
- To propose a practical algorithm for intensive care and cardiovascular postoperative units.
Summary:
- Clinical evidence suggests insulin and glucose infusions may improve outcomes in myocardial infarction and critically ill patients.
- Insulin's cardioprotective mechanisms include improved energy substrate utilization, vasodilation, and reduced apoptosis.
- A proposed algorithm aims to facilitate the clinical application of these infusions.
Impact:
- Provides a review of current evidence and proposed mechanisms for insulin-glucose therapy.
- Offers a practical guideline for implementing insulin-glucose infusions in critical care settings.
- Aims to bridge the gap between research findings and clinical practice for improved patient outcomes.