• Marc Eckstein, William Koenig, Amy Kaji, and Richard Tadeo.
• Keck School of Medicine of the University of Southern California, Los Angeles, California 90033, USA. eckstein@usc.edu
• Prehosp Emerg Care. 2009 Apr 1;13(2):215-22.

BackgroundEarly percutaneous coronary intervention (PCI) has been shown to be superior to fibrinolytic therapy and is associated with reduced morbidity and mortality for patients with ST-segment elevation myocardial infarction (STEMI).ObjectiveTo determine the performance of a regional system with prehospital 12-lead electrocardiogram (ECG) identification of STEMI patients and direct paramedic transport to STEMI receiving centers (SRCs) for provision of primary PCI.MethodsThis was a prospective study evaluating the first year of implementation of a regional SRC network to determine the key time intervals for patients identified with STEMI in the prehospital setting. Results. During the 12-month study period, 1,220 patients with a suspected STEMI were identified on prehospital 12-lead ECG, of whom 734 (60%) underwent emergency PCI. A door-to-balloon time of 90 minutes or less was achieved for 651 (89%) patients, and 459 (62.5%) had EMS-patient contact-to-balloon times ConclusionDoor-to-balloon times within the 90-minute benchmark were achieved for almost 90% of STEMI patients transported by paramedics after implementing our regionalized SRC system.

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