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Effect of bradykinin and its antagonist on survival time after coronary artery occlusion in rats.

机译:缓激肽及其拮抗剂对大鼠冠状动脉闭塞后存活时间的影响。

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摘要

The present study was conducted to examine the effect of bradykinin and bradykinin 2 receptor antagonist on survival time in rats with coronary artery ligation for 15 min and continuously. We also evaluated the heart rate and blood pressure responses in the presence and absence of bradykinin and its antagonist. Bradykinin treatment (4 microg and 8 microg/kg IV) significantly (p < 0.05) increased the survival time of rats compared with saline-treated rats with coronary artery ligation for 15 min and continuously. The heart rate and blood pressure responses were significantly (p < 0.001) altered in the presence of coronary artery ligation. Bradykinin antagonist treatment (4 microg/kg IV) abolished the effect of bradykinin and thus reduced the survival time of rats with coronary artery ligation. The mean value of survival time between saline-treated and bradykinin antagonist- plus bradykinin-treated rats did not differ significantly (p > 0.05).
机译:本研究旨在探讨缓激肽和缓激肽2受体拮抗剂对冠状动脉结扎大鼠连续15分钟的存活时间的影响。我们还评估了缓激肽及其拮抗剂存在和不存在下的心率和血压反应。与盐水治疗的冠状动脉结扎大鼠相比,缓激肽治疗(4 microg和8 microg / kg IV)显着(p <0.05)增加了大鼠的存活时间,持续时间为15分钟。在冠状动脉结扎的情况下,心率和血压反应明显改变(p <0.001)。缓激肽拮抗剂治疗(4 µg / kg静脉注射)取消了缓激肽的作用,从而减少了冠状动脉结扎大鼠的存活时间。盐水处理和缓激肽拮抗剂加缓激肽治疗的大鼠之间的平均生存时间无显着差异(p> 0.05)。

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