• Richard W Smalling.
• University of Texas Medical School at Houston, Houston, TX 77030, USA. richard.w.smalling@uth.tmc.edu
• Am. Heart J. 2006 Jun 1; 151 (6 Suppl): S17-23.

AbstractIn patients presenting with ST-elevation myocardial infarction, early, effective reperfusion of the culprit artery is needed to salvage myocardium, maintain left ventricular function, and reduce mortality. According to American College of Cardiology/American Heart Association guidelines for the treatment of these patients, the time from medical contact (i.e., firm ST-elevation myocardial infarction diagnosis) to initiation of fibrinolytic therapy (door-to-needle time) should be 30 minutes, and the time from medical contact to percutaneous coronary intervention (PCI) (door-to-balloon time) should be 90 minutes. Because many patients present to hospitals that are not equipped to administer PCI, door-to-balloon time often falls far short of the ideal. When PCI is not readily available, efficient prehospital treatment with t-PA-based fibrinolytic agent formulations that can be delivered in a bolus and do not require weight-based adjustment may reduce mortality rates and result in outcomes similar to PCI when administered promptly.

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