Esmolol reduces apoptosis and inflammation in early sepsis rats with abdominal infection

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Background:Esmolol is a highly selective beta 1 receptor blocker with various effects such as slowing heart rate, lowering blood pressure and reducing myocardial oxygen consumption. However, few studies have reported the use of beta blockers in sepsis with multiple organ dysfunctions. This study aimed to investigate the effects of esmolol on reducing apoptosis and inflammation in early sepsis rats with abdominal infection.Methods:Rats were randomly divided into sham operation group, sepsis group, antibiotic group, Esmolol + antibiotic group with low, median and high dose Esmolol (L group, M group and H group). Values between two or more groups were compared by independent t-tests.Results:In the liver and kidney, we found inflammatory infiltration in sepsis group while pathological aspects reduced in L, M and H groups. Bcl-2 mRNA and protein levels increased while Bax mRNA and protein levels decreased in the liver and kidney of L, M and H groups. Serum IL-6, HMGB-1 and TNF-α levels decreased but IL-10 level increased in L, M and H groups, compared to sepsis group. Compared to sepsis and antibiotic groups, the levels of myocardial enzymes were lower in L, M and H groups.Conclusion:The administration of esmolol in early sepsis may reduce inflammation, inhibit apoptosis and protect key organs.

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