Abstract
By measuring cochlear superoxide dismutase (SOD) activity, malondialdehyde (MDA) and electrocochleogram (ECoG) in guinea pigs, the antioxidation of Ligustrazine on Kanamycin (KM) was studied. The results showed that SOD activity, MDA content and threshold value of ECoG were significantly increased after KM was administered, while it markedly reduced after Ligustrazine was given. It was considered that lipid hyperoxidative reaction was correlated with KM ototoxicity, Ligustrazine could prevent and treat KM ototoxicity by antioxidation.
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