CORONARY THROMBOLYSIS - COMPARATIVE EFFECTS OF INTRACORONARY ADMINISTRATION OF RECOMBINANT TISSUE PLASMINOGEN-ACTIVATOR AND UROKINASE

被引：15

作者：

GU, S

DUCAS, J

PATTON, JN

GREENBERG, D

PREWITT, RM

机构：

[1] HLTH SCI CTR,CARDIOL SECT,WINNIPEG R3E 0Z3,MANITOBA,CANADA

[2] UNIV MANITOBA,DEPT MED,WINNIPEG R3T 2N2,MANITOBA,CANADA

来源：

CHEST | 1992年 / 101卷 / 06期

基金：

英国医学研究理事会;

关键词：

D O I：

10.1378/chest.101.6.1684

中图分类号：

R4 [临床医学];

学科分类号：

1002 ; 100602 ;

摘要：

We employed a canine model of coronary thrombosis, induced by injection of radioactive blood clot, via a catheter placed in the left anterior descending coronary artery, to compare effects of intracoronary administration of recombinant tissue plasminogen activator (rtPA) and urokinase (UK) on rate and extent of coronary thrombolysis. Two doses of UK, 15,000 U/kg (UK15) and 30,000 U/kg (UK30) and two doses of rtPA, 0.25 mg/kg (rtPA.25) and 0.75 mg/kg (rtPA.75) were given. Drugs were infused over 45 min. Compared with the other regimens, rate and extent of coronary thrombolysis were significantly increased with rtPA.75. Also, despite a much higher dose of UK, coronary thrombolysis was similar with UK30 and rtPA.25. Compared with UK15, rate and extent of coronary thrombolysis were increased with rtPA.25. These results indicate that intracoronary administration of rtPA is superior to intracoronary UK in inducing thrombolysis.

引用

页码：1684 / 1690

页数：7

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