Accelerated streptokinase in ST-elevation myocardial infarction : a romanian (ASK-ROMANIA) multicenter registry
2007
Abstract Background The classical streptokinase regimen (1.5 M.U. over 60 min) may be too slow in patients with ST-elevation myocardial infarction (STEMI). Objective To compare the efficacy and safety of four streptokinase regimens in STEMI patients. Methods 1880 consecutive patients admitted within 6 h of STEMI onset were allocated one of the following four streptokinase regimens: 1.5 M.U. over 60 min ( n =517); 1.5 M.U./30 min ( n =355); 1.5 M.U./20 min ( n =507); 0.75 M.U./10 min, repeated or not after 50 min if no electrocardiographic criteria of reperfusion ( n =501). Results Rates of coronary reperfusion (non-invasively detected) for SK1.5/30 (72.39%), SK1.5/20 (75.34%) and SK0.75/10 (72.85%) were similar and higher than for SK1.5/60 (64.03%, p =0.019, p p =0.006, respectively). In-hospital mortality was significantly lower for SK1.5/20 (7.10%) and SK0.75/10 (7.38%) and at the limit of significance for SK1.5/30 (7.60%) compared with SK1.5/60 (11.60%, p Conclusions Compared to the classical 1.5 M.U. over 60 min streptokinase regimen, significantly higher rates of coronary reperfusion and lower in-hospital mortality can be obtained by infusing the same dose over only 20 min, or either one or two half doses over only 10 min, without risk increase.
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