• Eduardo Franco, Alonso Mateos, Carlos Acebal, Antonio Fernández-Ortiz, Vicente Sánchez-Brunete, Juan Carlos García-Rubira, María José Fernández-Campos, Carlos Macaya, and Borja Ibáñez.
• Cardiovascular Institute, Hospital Clínico San Carlos, Madrid, Spain.
• Rev Port Cardiol. 2014 Sep 1; 33 (9): 545-53.

Introduction And ObjectivesCurrent clinical guidelines for ST-segment elevation myocardial infarction (STEMI) suggest prehospital activation of the cardiac catheterization team. In previous protocols in our center activation occurred once patients arrived at the hospital. In January 2011, we initiated a new primary angioplasty activation protocol from prehospital locations. Our objective was to quantify the influence of this change on reperfusion times.MethodsA total of 173 consecutive STEMI patients (n=73/100 before/after initiation of the new protocol), diagnosed in a prehospital setting within 12 hours of symptom onset, were analyzed. The time between the patient's arrival at the hospital and beginning of the angioplasty procedure was termed the cath lab activation delay.ResultsThe new protocol resulted in a 37-min reduction in system delay (166 [132-235] min before vs. 129 [105-166] min after, p<0.001), mostly driven by a 64% reduction in cath lab activation delay (55 [0-79] min before vs. 20 [0-54] min after, p=0.001). This reduction was mainly observed outside working hours. The percentage of patients treated with a system delay ≤ 120 min increased from 14.5% before the new protocol to 41.8% afterwards (p=0.001).ConclusionsPrehospital activation of the cardiac catheterization team resulted in earlier reperfusion of STEMI patients.Copyright © 2014 Sociedade Portuguesa de Cardiologia. Published by Elsevier España. All rights reserved.

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