Abstract Title:

Neuroprotective Effects of Quercetin on Cerebral Vasospasm Following Experimental Subarachnoid Haemorrhage in Rats.

Abstract Source:

Turk J Med Sci. 2020 Feb 25. Epub 2020 Feb 25. PMID: 32093448

Abstract Author(s):

Şanser Gül, Evren Aydoğmuş, Burak Bahadir, MustafaÇağatay Büyükuysal, Berrak Güven

Article Affiliation:

Şanser Gül


BACKGROUND: We examined the protective effects of the natural flavonoid, quercetin, against cerebral vasospasm in an experimental rat subarachnoid haemorrhage (SAH) model.

MATERIALS AND METHODS: Thirty-eight albino Wistar rats were divided into five groups as follows: group 1 (G1, n=8), no experimental intervention; group 2 (G2, n=8), subarachnoid physiological saline; group 3 (G3, n=8), SAH; group 4 (G4, n=7) SAH and low-dose (10 mg/kg) quercetin treatment; group 5 (G5, n=7), SAH and high-dose (50 mg/kg) quercetin treatment. Subarachnoid haemorrhage was induced by injection of 0.15 cc of autologous blood taken from the tail artery into the cisterna magna from the craniocervical junction and basilar arteries and blood samples were taken for biochemical and histopathological analyses.

RESULTS: Malondialdehyde (MDA) levels were significantly higher in G2 and G3 than in G1 (p<0.05). Significant decreases in MDA were observed in G4 and G5 compared with G2 (p<0.05, G4?G2; p<0.05, G5?G2). There were no significant differences between G2 and G3 or among G1, G4 and G5. No statistically significant differences were found in total antioxidant capacity (TAC) between the groups (p>0.05). There were no significant differences in BA wall thickness between G3 and G4 or between G3 and G5, but G4 and G5 showed greater luminal diameters than G3 (p<0.05). There were no significant differences in BA thickness or luminal diameter between G4 and G5.

CONCLUSION: Our results suggested that quercetin may be beneficial in SAH therapy by preventing vasospasm.

Study Type : Animal Study

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