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  • Title: Relationship of the distance between non-PCI hospitals and primary PCI centers, mode of transport, and reperfusion time among ground and air interhospital transfers using NCDR's ACTION Registry-GWTG: a report from the American Heart Association Mission: Lifeline Program.
    Author: Nicholson BD, Dhindsa HS, Roe MT, Chen AY, Jollis JG, Kontos MC.
    Journal: Circ Cardiovasc Interv; 2014 Dec; 7(6):797-805. PubMed ID: 25406204.
    Abstract:
    BACKGROUND: ST-segment myocardial infarction patients frequently present to non-percutaneous coronary intervention (PCI) hospitals and require interhospital transfer for primary PCI. The effect of distance and mode of transport to the PCI center and the frequency that recommended primary PCI times are met are not clear. METHODS AND RESULTS: Data from the ACTION Registry(®)-GWTG™ were used to determine the distance between the Non-PCI and PCI center and first door time to balloon time based on transfer mode (ground and air) for patients having interhospital transfer for primary PCI. From July 1, 2008, to December 31, 2012, 17 052 ST-segment myocardial infarction patients were transferred to 413 PCI hospitals. The median distance from the non-PCI hospital to the primary PCI center was 31.9 miles (Q1, Q3: 19.1, 47.9; ground 25.2 miles; air 43.9 miles; P<0.001). At distances <40 miles, ground transport was the primary transport method, whereas at distances >40 miles air transport predominanted. Median first door time to balloon time time for patients transferred for primary PCI was 118 minutes (Q1, Q3: 95 152), with time for patients transported by air significantly longer (median 124 versus 113 minutes; respectively, P<0.001) than for patients transported by ground. Fifty-three percent of patients had a first door time to balloon time ≤120 minutes, with only 20% ≤90 minutes. A first door time to balloon time ≤120 minutes was more likely in ground than in air transport patients (57.0% versus 45.6%; P<0.001). CONCLUSIONS: Interhospital transfer for primary PCI is associated with prolonged reperfusion times. These delays should prompt increased consideration of fibrinolytic therapy, emergency medical services hospital bypass protocols, and improved systems of care for ST-segment myocardial infarction patients requiring transfer.
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