New treatment bundles improve survival in out-of-hospital cardiac arrest patients: A historical comparison |
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Authors: | Leonello Avalli Tommaso Mauri Giuseppe Citerio Maurizio Migliari Anna Coppo Matteo Caresani Barbara Marcora Gianpiera Rossi Antonio Pesenti |
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Institution: | 1. Institutions Dipartimento di Emergenza e Urgenza, Ospedale San Gerardo, Monza, Italy;2. Institutions Dipartimento di Scienze della Salute, Università Milano-Bicocca, Monza, Italy;3. Institutions Azienda Regionale Emergenza Urgenza, Milano, Regione Lombardia, Italy;4. Institutions AAT, Monza, Brianza, Italy |
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Abstract: | IntroductionBefore the introduction of the new international cardiac arrest treatment guidelines in 2005, patients with out-of-hospital cardiac arrest (OHCA) of cardiac origin in Northern Italy had very poor prognosis. Since 2006, a new bundle of care comprising use of automated external defibrillators (AEDs) and therapeutic hypothermia (TH) was started, while extracorporeal CPR program (ECPR) for selected refractory CA and dispatcher-assisted cardio-pulmonary resuscitation (CPR) was started in January 2010.ObjectivesWe hypothesized that a program of bundled care might improve outcome of OHCA patients.MethodsWe analyzed data collected in the OHCA registry of the MB area between September 2007 and August 2011 and compared this with data from 2000 to 2003.ResultsBetween 2007 and 2011, 1128 OHCAs occurred in the MB area, 745 received CPR and 461 of these had a CA of presumed cardiac origin. Of these, 125 (27%) achieved sustained ROSC, 60 (13%) survived to 1 month, of whom 51 (11%) were discharged from hospital with a good neurological outcome (CPC ≤ 2), and 9 with a poor neurological outcome (CPC > 2).Compared with data from the 2000 to 2003 periods, survival increased from 5.6% to 13.01% (p < 0.0001). In the 2007–2011 group, low-flow time and bystander CPR were independent markers of survival.ConclusionsOHCA survival has improved in our region. An increased bystander CPR rate associated with dispatcher-assisted CPR was the most significant cause of increased survival, but duration of CA remains critical for patient outcome. |
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Keywords: | Out-of-hospital cardiac arrest Cardiopulmonary resuscitation Outcome Emergency medical services |
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