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本实验中先用标准的Kreds-Henseleit溶液灌注离体的仓鼠心脏,证明这些离体心脏在灌注之前和用下列三种溶液之一保存24小时之前具有类似的活力。这三种溶液是:(1)生理盐水加丙酮酸(基质),另加4％的酒精使心脏停搏(A组);(2)标准的心脏停搏液(B组);(3)不含酒精的生理盐水加丙酮酸(C组)。心肌恢复情况用再灌注后30min的心率/压力乘积和氧耗来表示:A组分别是81％和93％;B组分别是13％和32％;C组分
In this experiment, ex vivo hamster hearts were infused with standard Kreds-Henseleit solution to demonstrate that these isolated hearts had similar viability before perfusion and 24 hours prior to being stored in one of three solutions. The three solutions were: (1) saline plus pyruvate (matrix) plus 4% alcohol to arrest the heart (group A); (2) standard cardioplegia (group B); and Alcohol-free saline plus pyruvate (Group C). Myocardial recovery was expressed as the product of heart rate / pressure and oxygen consumption at 30 min after reperfusion: 81% and 93% in group A, 13% and 32% in group B, respectively;