• Paolo Ortolani, Antonio Marzocchi, Cinzia Marrozzini, Tullio Palmerini, Francesco Saia, Nevio Taglieri, Laura Alessi, Paola Nardini, Maria-Letizia Bacchi Reggiani, Paolo Guastaroba, Rossana De Palma, Roberto Grilli, Cosimo Picoco, Giovani Gordini, and Angelo Branzi.
• Department of Cardiology, S. Orsola-Malpighi Hospital, University of Bologna, Italy. paortol@tin.it
• EuroIntervention. 2011 Aug 1;7(4):449-57.

AimsTreatment delay is a powerful predictor of survival in STEMI patients undergoing primary PCI. We investigated the effectiveness of pre-hospital triage with direct referral to PCI, alongside more conventional referral strategies.Methods And ResultsFrom January 2003 to December 2007, 1,619 STEMI patients were referred for primary PCI at our cathlab through two main triage groups: i.e., 1) following pre-hospital triage (n=524), 2) via more conventional triages (n=1,095) represented by the S. Orsola-Malpighi hospital emergency department triage (hub hospital) and local hospital triage. Pre-hospital diagnosis was associated with a 76 minute reduction in pain-to-balloon time (143 [107-216] vs. 219 [149-343], p=0.001) allowing mechanical revascularisation within 90 minutes from the first medical contact in the vast majority of the patients (>80%). Clinically, pre-hospital triage showed no significant reductions in terms of adjusted long-term mortality (HR 0.81, 95% CI 0.61-1.08; p=0.16) in the overall population. However, significant adjusted survival benefits were observed in high-risk groups (i.e., cardiogenic shock, TIMI risk score >30, diabetes mellitus).ConclusionsThis study shows that pre-hospital diagnosis allows for significant reductions in primary PCI treatment delays and suggests the hypothesis that this referral strategy might provide long-term survival benefits especially in high-risk patients.

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