Background/aim: Although it has been reported that different molecules are effective in preventing ischemia-reperfusion (I/R) injury, the most effective treatment is still unknown.
Materials and methods: The rats were divided into four groups of eight rats each. Group C: 1 ml intraperitoneal (IP) isotonic + laparotomy + IP 2 ml isotonic +I/R. Group D: 100 μg kg-1/1 ml IP dexmedetomidine + laparotomy + IP 2 ml isotonic +I/R. Group L: 1 ml IP isotonic + laparotomy + IP levobupivacaine (2.5 mg kg-1/2 ml) +I/R. Group DL: 100 μg kg-1/1 ml IP dexmedetomidine + laparotomy + IP levobupivacaine (2.5 mg kg-1/2 ml) +I/R. Brain, heart, lung, and liver tissue samples were collected for histopathological examination. Biochemically, levels of aspartate amino transaminase, alanine amino transaminase, serum glucose, total antioxidant status (TAS), total oxidant status, ischemia modified albumin, and malondialdehyde were measured in blood samples.
Results: Group D mean blood TAS levels were found to be statistically significantly higher than those in Group C and Group L (p=0.037, p=0.048 respectively). Group DL oxidative stress index (OSI) value was found to be statistically significantly lower than that of Group C (p=0.010).
Conclusion: Both dexmedetomidine and levobupivacaine demonstrated protective effects in I/R injury. When used in combination, the effects of these treatments were further enhanced, reaching statistical significance. As our literature review found no studies on the combined use of dexmedetomidine and levobupivacaine in I/R injury, it is anticipated that supporting these results with clinical studies may significantly contribute to clinical practice.
Keywords: Ischemia; antioxidant; dexmedetomidine; levobupivacaine; oxidative stress index; reperfusion.
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