PMID: 9525545Apr 3, 1998Paper

Efficacy of streptokinase, but not tissue-type plasminogen activator, in achieving 90-minute patency after thrombolysis for acute myocardial infarction decreases with time to treatment. PERM Study Group. Prospective Evaluation of Reperfusion Markers

Journal of the American College of Cardiology
P G StegP Aubry

Abstract

We sought to examine the relation between time to treatment and 90-min patency rates in patients receiving intravenous streptokinase (SK) or accelerated tissue-type plasminogen activator (t-PA). Early patency of the infarct-related artery is a major determinant of survival after thrombolysis for acute myocardial infarction. Some data suggest that time to treatment may influence the efficacy of nonfibrin-specific thrombolytic agents in restoring early patency of the infarct-related vessel. We performed a retrospective analysis of a cohort of 481 patients receiving thrombolytic therapy for acute myocardial infarction <6 h after pain onset, all of whom underwent 90-min coronary angiography. Patency of the infarct-related artery was graded by two observers who had no knowledge of the treatment received or the time between pain and therapy. There was no difference in baseline clinical or angiographic characteristics according to the timing or nature of treatment. Thrombolysis in Myocardial Infarction (TIMI) flow grade 2 or 3 patency rate after SK correlated negatively with the time between onset of pain and thrombolysis (r = 0.8, p = 0.05), whereas the 90-min patency rate after t-PA appeared stable as a function of time to treatment...Continue Reading

References

Sep 2, 1993·The New England Journal of Medicine·UNKNOWN GUSTO investigators
Jul 1, 1997·Journal of the American College of Cardiology·J M JuliardP G Steg

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Citations

Oct 20, 1998·Australian and New Zealand Journal of Medicine·D Hunt
Aug 31, 2004·Journal of Thrombosis and Haemostasis : JTH·J K LeachE A O'Rear
Mar 31, 2004·Journal of cardiology·Daisaku NakataniUNKNOWN Osaka Acute Coronary Insufficiency Study Group
Apr 20, 2004·Journal of the American College of Cardiology·Giuseppe De LucaHarry Suryapranata
Nov 19, 2003·Circulation·Philippe Gabriel StegUNKNOWN Comparison of Angioplasty and Prehospital Thrombolysis In acute Myocardial infarction (CAPTIM) Investigators
Oct 3, 2006·Current Opinion in Anaesthesiology·D Chamberlain

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