丹参水提物对心肌缺血-再灌注损伤大鼠血流动力学的影响
Effects of Salvia miltiorrhiza extracts on the hemodynamics in myocardial ischemia-reperfusion injury rats
作者:周茹;何耀;和丽芬;王良芬;李永杰;晁若冰;杜俊蓉;
Author:
收稿日期: 年卷(期)页码:2015,30(02):-187-189
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:丹参水提物;心肌缺血-再灌注损伤;心脏保护;血流动力学;心肌梗死;复方丹参片
Key words:
基金项目:
中文摘要
目的观察丹参水提物(SME)对心肌缺血-再灌注损伤(I/R)大鼠血流动力学的影响,探讨其对I/R大鼠心肌梗死的保护作用。方法采用SD♂大鼠左冠状动脉前降支结扎法制备I/R大鼠模型,同时给予不同剂量的SME(29.76、59.52 mg·kg-1)和复方丹参片(FDT,1.21 g·kg-1),3 d后测定心电图,记录再灌注2 h后的心率(HR)、动脉血压(MABP)、左室舒张末期内压(LVEDP)、左室收缩内压(LVSP)、左室内压最大上升/下降速率(LVdp/dtmax);计算心脏组织的梗死范围。结果29.76、59.52 mg·kg-1SME和1.21 g·kg-1FDT可使LVEDP降低,MABP、LVdp/dtmax和LVSP升高,心肌组织的梗死面积缩小;59.52 mg·kg-1SME较1.21 mg·kg-1FDT可明显改善各项指标。结论 SME对大鼠I/R具有保护作用。
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