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- W2167852496 abstract "Recent studies showed that both sepsis and antibiotic therapy are associated with cell death and linked to reactive oxygen species generation. This study investigated the effects of intratracheal administration of combinations of antioxidants (n-acetyl cysteine (NAC), vitamins C and E) in the treatment of sepsis-induced lung injury.Ninety-six male Wistar rats subjected to sepsis were treated with ceftriaxone plus NAC with or without vitamins C and E and compared to appropriate controls. As an index of oxidative damage protein carbonyls, sulfhydryl groups, lipid peroxidation and superoxide anion were measured, as well as superoxide dismutase and catalase. Histopathological alterations and mortality rate were also analyzed.Twenty-four hours after sepsis induction, markers of oxidative stress increased in all lungs examined. Ceftriaxone plus intratracheal combination of NAC, vitamins C and E decreased lung injury in infected animals by reducing superoxide anion production (54%), lipid peroxidation (53%) and protein carbonyl (58%) and restored the redox status (7.5 times). This therapy also reduced the imbalance of antioxidant enzymes activities and attenuated the alveolar architectural disorganization, inflammatory cell infiltration and pulmonary oedema. Survival increased from 66.6% with ceftriaxone to 83.2% with ceftriaxone plus antioxidants.Ceftriaxone plus intratracheal co-administration of antioxidants provides better protection, by decreasing pulmonary oxidative stress, limiting histophatological alterations and improving survival. Antioxidants should be explored as a co-adjuvant in the treatment of severe lung injury." @default.
- W2167852496 created "2016-06-24" @default.
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- W2167852496 date "2014-08-14" @default.
- W2167852496 modified "2023-10-15" @default.
- W2167852496 title "Intratracheal co-administration of antioxidants and ceftriaxone reduces pulmonary injury and mortality rate in an experimental model of sepsis" @default.
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- W2167852496 doi "https://doi.org/10.1111/resp.12363" @default.
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