Home Bratislava Medical Journal 2015 Bratislava Medical Journal Vol.116, No.1, p.47-50, 2015

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.116, No.1, p.47-50, 2015

Title: Effect of levosimendan on erythrocyte deformability during myocardial ischaemia-reperfusion injury
Author: M. Arslan, F. M. Comu, M. Alkan, H. A. Kiraz, G. Kip, A. Ozer, V. Sivgin

Abstract: Diabetes mellitus (DM) is a chronic metabolic disorder accompanied by an increase in oxidative stress. Ischaemia–reperfusion (IR) injury is a cascade of events initiated by tissue ischaemia. The cellular damage produced by reperfusion leads to an active inflammatory response. Erythrocyte deformability and plasma viscosity are of crucial importance for the perfusion of tissues and organs. The aim of this study was to evaluate the effect of levosimendan on erythrocyte deformability during IR myocardial injury in diabetic rats.
Methods: Twenty-four Wistar albino rats were included in the study after streptozocin (55 mg/kg) treatment for 4 weeks to observe the existence of diabetes. The animals were randomly assigned to one of four experimental groups. In Group C and DC (sham-control group), the coronary artery was not occluded or reperfused in the control rats. Myocardial IR was induced by ligation of the left anterior descending coronary artery for 30 min, followed by 2 h of reperfusion in the diabetes-IR (DIR) and diabetes-IR-levosimendan (DIRL) group. Deformability measurements were performed in erythrocyte suspensions containing Htc 5 % in a phosphate-buffered saline (PBS) buffer.
Results: The deformability index was significantly increased in the diabetic rats. It was similar in Group DC and DIRL It was significantly increased in the DIR group compared to Group C, DIRL and DC. The relative resistance was increased in the IR models.
Conclusion: Erythrocyte deformability was decreased in rats with diabetes and IR injury. This injury might lead to further problems in microcirculation. Levosimendan may be useful in enhancing the adverse effects of this type of injury (Fig. 2, Ref. 41).

Keywords: erythrocyte deformability, myocardial ischaemia reperfusion, experimental diabetes, levosimendan, rat.
Year: 2015, Volume: 116, Issue: 1 Page From: 47, Page To: 50

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