Abstract
In this study we investigated the effect of Dl-3-n-butylphthalide (NBP), a clinically used drug for stroke patients in China, on the recovery following cardiac arrest and resuscitation in rats. Male Wistar rats (3-month old) underwent cardiac arrest (12 min) and resuscitation. Rats were randomly assigned to the following groups: sham non-arrested group, vehicle group (vehicle-treated, 7 days before cardiac arrest and 4 days post-resuscitation), NBP pre-treated group (NBP-treated, 7 days before cardiac arrest), and NBP post-treated group (NBP-treated, 4 days post-resuscitation). Overall survival rates and hippocampal neuronal counts were determined in each group at 4 days post-resuscitation. Results showed that NBP pre-treated group (80 %) and NBP post-treated group (86 %) had significantly higher survival rates compared to that of the vehicle group (50 %). At 4 days of recovery, only about 20 % of hippocampal neurons were preserved in the vehicle group compared to the sham non-arrested group. The hippocampal CA1 cell counts in the NBP pre-treated group and NBP post-treated group were significantly higher than the counts in the vehicle group, about 50–60 % of the counts of non-arrested rats. The data suggest that NBP has both preventive and therapeutic effect on improving outcome following cardiac arrest and resuscitation, and NBP might be a potential early phase treatment for patients recovered from cardiac arrest and resuscitation.
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Acknowledgments
This study was supported by NIH grant NINDS 1 R01 NS46074. NBP was a gift from Shijiazhuang Pharma Grp NBP Co., LTD, Shijiazhuang, China.
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Zhang, L., Puchowicz, M.A., LaManna, J.C., Xu, K. (2016). Protective Effect of Dl-3-n-Butylphthalide on Recovery from Cardiac Arrest and Resuscitation in Rats. In: Luo, Q., Li, L., Harrison, D., Shi, H., Bruley, D. (eds) Oxygen Transport to Tissue XXXVIII. Advances in Experimental Medicine and Biology, vol 923. Springer, Cham. https://doi.org/10.1007/978-3-319-38810-6_4
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DOI: https://doi.org/10.1007/978-3-319-38810-6_4
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