Document Detail

Effect of prehospital 12-lead electrocardiogram on activation of the cardiac catheterization laboratory and door-to-balloon time in ST-segment elevation acute myocardial infarction.
MedLine Citation:
PMID:  18178399     Owner:  NLM     Status:  MEDLINE    
Reducing door-to-balloon (D + B) time during primary percutaneous coronary intervention for patients with ST-segment elevation myocardial infarction (STEMI) reduces mortality. Prehospital 12-lead electrocadiography (ECG) with cardiac catheterization laboratory (CCL) activation may reduce D + B time. Paramedic-performed ECG was initiated in the city of San Diego in January 2005 with STEMI diagnosis based on an automated computer algorithm. We undertook this study to determine the effect of prehospital CCL activation on D + B time for patients with acute STEMI brought to our institution. All data were prospectively collected for patients with STEMI including times to treatment and clinical outcomes. We evaluated 78 consecutive patients with STEMI from January 2005 to June 2006, and the study group consisted of all patients with prehospital activation of the CCL (field STEMI; n = 20). The control groups included concurrently-treated patients with STEMI during the same period who presented to the emergency department (nonfield STEMI; n = 28), and all patients with STEMI treated in the preceding year (2004) (historical STEMI; n = 30). Prehospital CCL activation significantly reduced D + B time (73 +/- 19 minutes field STEMI, 130 +/- 66 minutes nonfield STEMI, 141 +/- 49 minutes historical STEMI; p <0.001) with significant reductions in door-to-CCL and CCL-to-balloon times as well. The majority of patients with field STEMI achieved D + B times of <90 minutes (80% field STEMI, 25% nonfield STEMI, 10% historical STEMI; p <0.001). In conclusion, this study demonstrates that prehospital electrocardiographic diagnosis of STEMI with activation of the CCL markedly reduces D + B time.
Jason P Brown; Ehtisham Mahmud; James V Dunford; Ori Ben-Yehuda
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  101     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-07     Completed Date:  2008-02-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  158-61     Citation Subset:  AIM; IM    
Division of Cardiovascular Medicine, University of California, San Diego, California, USA.
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MeSH Terms
Angioplasty, Transluminal, Percutaneous Coronary
Electrocardiography / utilization*
Emergency Medical Services / standards*
Emergency Service, Hospital / standards
Hospitals, Urban
Middle Aged
Myocardial Infarction / diagnosis*,  therapy*
Prospective Studies
Time Factors
Time and Motion Studies*
Transportation of Patients / standards

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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