World neurosurgery · 2020
Effects of Lutein on Brain Damage and Vasospasm in an Experimental Subarachnoid Hemorrhage Model.
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Turk Caglar, Camlar Mahmut, Diniz Gülden, Arslan Fatma Demet, Oren Meryem Merve, Ozer Fusun
Аннотация
OBJECTIVE: Vasospasm developing after subarachnoid hemorrhage (SAH) is an important cause of mortality and morbidity. Lutein is a carotenoid with antioxidant and anti-inflammatory properties. The aim of present study was to investigate effects of lutein on the basilar artery and nerve tissues.
METHODS: Wistar rats were randomly divided into 3 groups: control (group 1), SAH (group 2), and SAH treated with lutein (group 3). Lutein was administered for 3 days by means of orogastric gavage. Basilar artery lumen area, wall thickness, serum total antioxidant status, serum total oxidant status, and oxidative stress index were calculated. Histopathologic and immunohistochemical analyses were conducted.
RESULTS: No statistically significant difference was found between groups in terms of wall thickness; lumen area; and serum total antioxidant status, serum total oxidant status, and oxidative stress index values. A statistically significant difference was found between groups colored with terminal deoxynucleotidyl transferase dUTP nick end labeling (P < 0.005). Post hoc analysis was used to examine the results between groups. Results of group 1 and group 3 were equal (P = 1) and lower than group 2 (P = 0.04 and P = 0.006, respectively).
CONCLUSIONS: Lutein was found to have a positive effect on width of the basilar artery lumen area. Therefore, positive effects of lutein on vasospasm might be statistically significant if lutein is administered at higher doses. Lutein was found to be effective in preventing brain damage after SAH. To our knowledge, this study is the first in the literature to examine the effect of lutein on vasospasm and brain damage after SAH.
METHODS: Wistar rats were randomly divided into 3 groups: control (group 1), SAH (group 2), and SAH treated with lutein (group 3). Lutein was administered for 3 days by means of orogastric gavage. Basilar artery lumen area, wall thickness, serum total antioxidant status, serum total oxidant status, and oxidative stress index were calculated. Histopathologic and immunohistochemical analyses were conducted.
RESULTS: No statistically significant difference was found between groups in terms of wall thickness; lumen area; and serum total antioxidant status, serum total oxidant status, and oxidative stress index values. A statistically significant difference was found between groups colored with terminal deoxynucleotidyl transferase dUTP nick end labeling (P < 0.005). Post hoc analysis was used to examine the results between groups. Results of group 1 and group 3 were equal (P = 1) and lower than group 2 (P = 0.04 and P = 0.006, respectively).
CONCLUSIONS: Lutein was found to have a positive effect on width of the basilar artery lumen area. Therefore, positive effects of lutein on vasospasm might be statistically significant if lutein is administered at higher doses. Lutein was found to be effective in preventing brain damage after SAH. To our knowledge, this study is the first in the literature to examine the effect of lutein on vasospasm and brain damage after SAH.