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The protective effect of Gingko biloba in a rat model of ovarian ischemia/reperfusion injury: Improvement in histological and biochemical parameters.
BACKGROUND: Ovarian torsion is one of the most common gynecological emergencies, which especially affects women of reproductive age.
OBJECTIVES: We aimed to evaluate the effect of Ginkgo biloba (GB) supplementation in ovarian ischemia/ reperfusion injury in an experimental torsion/de-torsion rat model.
MATERIAL AND METHODS: This study was carried out in the Ege University Faculty of Medicine in Izmir, Turkey. Thirty mature female Sprague-Dawley albino rats were randomly divided into 5 groups: in Group 1 (control), the abdominal wall was only opened and closed; in the torsion group (Group 2), ischemia was induced for 3 h, using atraumatic vascular clips to create a torsion model; in the torsion/GB group (Group 3), the rats were given 80 mg/kg (oral gavage) of GB 30 min before torsion was induced and the torsion model was formed; in the torsion/de-torsion group (Group 4), the rats underwent 3 h of ischemia and then the vascular clips were removed and reperfusion took place for 3 h; in the torsion/de-torsion/GB group (Group 5), the rats underwent 3 h of ischemia followed by GB (oral gavage) 30 min prior to a 3-h reperfusion period. Ovarian tissue damage was evaluated by a histopathological scoring system. Ovarian tissue malondialdehyde (MDA) and plasma pentraxin-3 were measured.
RESULTS: In comparison with the sham group, both the torsion and torsion/de-torsion groups had significantly higher scores for follicular degeneration, vascular congestion, edema, hemorrhage, and leukocyte infiltration. Ginkgo biloba significantly decreased these scores in both groups. Ovarian malondialdehyde and plasma pentraxin 3 were significantly higher both in the torsion and torsion/de-torsion groups compared with the sham group. Ginkgo biloba decreased these levels significantly both in the torsion/GB and torsion/de-torsion/GB groups.
CONCLUSIONS: Supplementing GB during a surgical procedure decreases ischemia/reperfusion injury to an ovary in an experimental rat model based on histopathological parameters, tissue malondialdehyde, and plasma pentraxin-3 levels.
OBJECTIVES: We aimed to evaluate the effect of Ginkgo biloba (GB) supplementation in ovarian ischemia/ reperfusion injury in an experimental torsion/de-torsion rat model.
MATERIAL AND METHODS: This study was carried out in the Ege University Faculty of Medicine in Izmir, Turkey. Thirty mature female Sprague-Dawley albino rats were randomly divided into 5 groups: in Group 1 (control), the abdominal wall was only opened and closed; in the torsion group (Group 2), ischemia was induced for 3 h, using atraumatic vascular clips to create a torsion model; in the torsion/GB group (Group 3), the rats were given 80 mg/kg (oral gavage) of GB 30 min before torsion was induced and the torsion model was formed; in the torsion/de-torsion group (Group 4), the rats underwent 3 h of ischemia and then the vascular clips were removed and reperfusion took place for 3 h; in the torsion/de-torsion/GB group (Group 5), the rats underwent 3 h of ischemia followed by GB (oral gavage) 30 min prior to a 3-h reperfusion period. Ovarian tissue damage was evaluated by a histopathological scoring system. Ovarian tissue malondialdehyde (MDA) and plasma pentraxin-3 were measured.
RESULTS: In comparison with the sham group, both the torsion and torsion/de-torsion groups had significantly higher scores for follicular degeneration, vascular congestion, edema, hemorrhage, and leukocyte infiltration. Ginkgo biloba significantly decreased these scores in both groups. Ovarian malondialdehyde and plasma pentraxin 3 were significantly higher both in the torsion and torsion/de-torsion groups compared with the sham group. Ginkgo biloba decreased these levels significantly both in the torsion/GB and torsion/de-torsion/GB groups.
CONCLUSIONS: Supplementing GB during a surgical procedure decreases ischemia/reperfusion injury to an ovary in an experimental rat model based on histopathological parameters, tissue malondialdehyde, and plasma pentraxin-3 levels.
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