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June 17, 2009Critical Care Medicine

Hyperglycemia contributes to cardiac dysfunction in a lipopolysaccharide-induced systemic inflammation model*

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Key result

Treatment of hyperglycemia with insulin protected against inflammation and improved cardiac function in a rat model of LPS-induced systemic inflammation.

Why the study?

Does insulin therapy improve cardiac function and reduce inflammation in a rat model of LPS-induced systemic inflammation with hyperglycemia?

Population

Male Wistar rats in a lipopolysaccharide (LPS)-induced systemic inflammation model

Comparison

Insulin with glucose vs LPS without insulin (hyperglycemic rats)

Design

Preclinical

Authors

SHSatoshi HagiwaraHIHideo IwasakaAHAkira Hasegawa

Discussion

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Member takes

Overview

Hypothesis-generating for insulin in septic cardiomyopathy; human trials needed before any clinical consideration.

Structured PICO

Does insulin therapy improve cardiac function and reduce inflammation in a rat model of LPS-induced systemic inflammation with hyperglycemia?

P
Population
Male Wistar rats subjected to an LPS-induced systemic inflammation model.
I
Intervention
Insulin with glucose
C
Comparator
LPS without insulin (hyperglycemic rats)
O
Outcome
Cardiac function (+dP/dtmax, -dP/dtmin, left ventricular developed pressure, left ventricular end-diastolic pressure) and inflammatory markers (serum cytokines, nitrate/nitrite, high-mobility group box 1 protein)surrogate

Insulin therapy protects against inflammation and cardiac dysfunction in a preclinical model of LPS-induced systemic inflammation with hyperglycemia.

Cite This Study

Hagiwara et al. (2009) studied LPS-induced systemic inflammation. Insulin with glucose vs. Hyperglycemia without insulin was evaluated on Cardiac function (+dP/dtmax and -dP/dtmin) and inflammatory mediators. Treatment of hyperglycemia with insulin protected against inflammation and improved cardiac function in a rat model of LPS-induced systemic inflammation.

synapsesocial.com/papers/6aa009f6c95c3c4055efd9efhttps://doi.org/10.1097/ccm.0b013e3181a007c6
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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  4. 4Insulin Therapy is Associated With Increased Myocardial Interstitial Fibrosis and Cardiomyocyte Apoptosis in a Rodent Model of Experimental Diabetes2022 · 10 citations
  5. 5Acute Effects of Insulin on Cardiac Function in Patients with Diabetes Mellitus: Clinical Applicability and Feasibility2020 · 1 citations