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Insulin in sepsis and septic shock
1Department of Nutrition and Surgery, SUNY Upstate Medical University Syracause, NY, USA.
The Journal of the Association of Physicians of India
|November 19, 2003
Summary
Insulin therapy, by maintaining normal blood sugar levels, can reduce inflammatory responses and improve heart function. This approach shows promise for treating conditions like sepsis and acute myocardial infarction.
Area of Science:
- Biochemistry
- Immunology
- Cardiology
Background:
- Sepsis involves elevated inflammatory markers (MIF, TNF-alpha, IL-1, IL-6), free radicals, and stress hyperglycemia, leading to systemic inflammation and myocardial depression.
- These factors contribute to the pathophysiology of sepsis and septic shock, impacting cardiac function.
Purpose of the Study:
- To investigate the therapeutic potential of insulin in mitigating the inflammatory cascade and improving myocardial function in sepsis and related conditions.
- To support the hypothesis that insulin therapy can counteract sepsis-induced inflammatory responses and cardiac dysfunction.
Main Methods:
- Review and synthesis of existing literature on the molecular and physiological effects of insulin in the context of sepsis.
- Analysis of insulin's impact on key inflammatory mediators, oxidative stress markers, and endothelial function.
Main Results:
- Insulin suppresses the production of pro-inflammatory cytokines (MIF, TNF-alpha, IL-1, IL-6) and free radicals.
- Insulin enhances nitric oxide (NO) generation and promotes anti-inflammatory cytokines (IL-4, IL-10).
- Insulin corrects stress hyperglycemia and improves myocardial function.
Conclusions:
- Insulin therapy, by maintaining euglycemia, effectively suppresses inflammatory responses in sepsis.
- Insulin treatment improves myocardial function, offering therapeutic benefits in sepsis, septic shock, and acute myocardial infarction.