Impact of Emergency Medical Services Activation of the Cardiac Catheterization Laboratory and a 24-Hour/Day In-Hospital Interventional Cardiology Team on Treatment Times (Door to Balloon and Medical Contact to Balloon) for ST-Elevation Myocardial Infarction
2019
The incremental benefit of emergency medical services (EMS) activation of the cardiac catheterization laboratory (CCL) for ST-elevation myocardial infarction (STEMI) in the setting of an established in-house interventional team (IHIT) is uncertain. We evaluated the impact of EMS activation on door-to-balloon (D2B) time and first medical contact-to-balloon (FMC2B) time for STEMI when coupled with a 24-hour/day IHIT. All patients presenting with STEMI to Loyola University Medical Center had demographic, procedural, and outcome data consecutively entered in a STEMI Data Registry. From 223 consecutive patients presenting between April 2009 and December 2015, a retrospective analysis was performed on 190 patients. Patients were divided into 2 groups depending on CCL activation mode (EMS activation or emergency department activation) and STEMI treatment process times were compared. The primary end point was D2B process times. The secondary end point was FMC2B process times in a subgroup analysis of EMS-transported patients. D2B times were shorter (37 ± 14 minutes vs 57 ± 27 minutes, p
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