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Browsing by Author "Balta, M.G."

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    Dexmedetomidine Protects the Uterus Against Ischemia-Reperfusion Injury in Rats
    (Verduci Editore s.r.l, 2024) Kölükçü, V.; Balta, M.G.; Tapar, H.; Karaman, T.; Karaman, S.; Unsal, V.; Katar, M.
    OBJECTIVE: This study aimed to analyze the histopathological and biochemical effects of dexmedetomidine on the rat uteri exposed to experimental ischemia-reperfusion injury. MATERIALS AND METHODS: Twenty-four female rats were randomly divided into three groups. Group 1 was defined as the control group. An experimental uterine ischemia-reperfusion model was created in Group 2. Group 3 was assigned as the treatment group. Similar uterine ischemia-reperfusion models were created for the rats in Group 3, and then, unlike the other groups, 100 μg/kg of dexmedetomidine was administered intraperitoneally immediately after the onset of reperfusion. In blood biochemical analysis, superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) activities and malondialdehyde (MDA), interleukin 1beta (IL-1β), interleukin 6 (IL-6) and tumor necrosis factor-alpha (TNF-α) levels were measured. In the histopathological analyses, endometrial epithelial glandular changes (leukocytosis, cell degeneration) and endometrial stromal changes (congestion, edema) were analyzed using the tissue damage scoring system. RESULTS: It was observed that IL-1β, IL-6, and TNF-α levels were significantly suppressed in Group 3 compared to Group 2 (p=0.001, p<0.001 and p=0.001, respectively). MDA level was noted as the highest in Group 2. The MDA value in Group 3 was measured at 5.37±0.82, which was significantly decreased compared to Group 2 (p<0.001). An increase in antioxidant enzyme activities (SOD and GSH-PX) was observed in Group 3 compared to Group 2 (p=0.001 and p=0.006, respectively). In our histopathological analysis, a significant improvement in endometrial epithelial glandular and endometrial stromal changes was revealed in Group 3 compared to Group 2 (p<0.001). CONCLUSIONS: In our study, it has been documented that dexmedetomidine protects the uterine tissue against ischemia-reperfusion injury. © 2024 Verduci Editore s.r.l. All rights reserved.