Impact of the Type of First Medical Contact within a Guideline-Conform ST-Elevation Myocardial Infarction Network: A Prospective Observational Registry Study

The impact of type of first medical contact (FMC) in the setting of a guideline conform metropolitan ST-elevation myocardial infarction (STEMI) network providing obligatory primary percutaneous coronary intervention (PCI) is unclear. 3,312 patients were prospectively included between 2006 and 2012 i...

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Veröffentlicht in:PloS one 2016-06, Vol.11 (6), p.e0156769-e0156769
Hauptverfasser: Pfister, Roman, Lee, Samuel, Kuhr, Kathrin, Baer, Frank, Fehske, Wolfgang, Hoepp, Hans-Wilhelm, Baldus, Stephan, Michels, Guido
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container_title PloS one
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Lee, Samuel
Kuhr, Kathrin
Baer, Frank
Fehske, Wolfgang
Hoepp, Hans-Wilhelm
Baldus, Stephan
Michels, Guido
description The impact of type of first medical contact (FMC) in the setting of a guideline conform metropolitan ST-elevation myocardial infarction (STEMI) network providing obligatory primary percutaneous coronary intervention (PCI) is unclear. 3,312 patients were prospectively included between 2006 and 2012 into a registry accompanying the "Cologne Infarction Model" STEMI network, with 68.4% primarily presenting to emergency medical service (EMS), 17.6% to non-PCI-capable hospitals, and 14.0% to PCI-capable hospitals. Median contact-to-balloon time differed significantly by FMC with 89 minutes (IQR 72-115) for EMS, 107 minutes (IQR 85-148) for non-PCI- and 65 minutes (IQR 48-91) for PCI-capable hospitals (p < 0.001). TIMI-flow grade III and in-hospital mortality were 75.7% and 10.4% in EMS, 70.3% and 8.6% in non-PCI capable hospital and 84.4% and 5.6% in PCI-capable hospital presenters, respectively (p both < 0.01). The association of FMC with in-hospital mortality was not significant after adjustment for baseline characteristics, but risk of TIMI-flow grade < III remained significantly increased in patients presenting to non-PCI capable hospitals. Despite differences in treatment delay by type of FMC in-hospital mortality did not differ significantly. The increased risk of TIMI-flow grade < III in patients presenting to non PCI-capable hospitals needs further study.
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Median contact-to-balloon time differed significantly by FMC with 89 minutes (IQR 72-115) for EMS, 107 minutes (IQR 85-148) for non-PCI- and 65 minutes (IQR 48-91) for PCI-capable hospitals (p &lt; 0.001). TIMI-flow grade III and in-hospital mortality were 75.7% and 10.4% in EMS, 70.3% and 8.6% in non-PCI capable hospital and 84.4% and 5.6% in PCI-capable hospital presenters, respectively (p both &lt; 0.01). The association of FMC with in-hospital mortality was not significant after adjustment for baseline characteristics, but risk of TIMI-flow grade &lt; III remained significantly increased in patients presenting to non-PCI capable hospitals. Despite differences in treatment delay by type of FMC in-hospital mortality did not differ significantly. The increased risk of TIMI-flow grade &lt; III in patients presenting to non PCI-capable hospitals needs further study.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>27258655</pmid><doi>10.1371/journal.pone.0156769</doi><oa>free_for_read</oa></addata></record>
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subjects Aged
Analysis
Balloon angioplasty
Balloon treatment
Biology and Life Sciences
Care and treatment
Cologne
Coronary Angiography
Diagnosis
Electrocardiography
Emergency medical services
Female
Germany
Health aspects
Health services
Heart attack
Heart Rate - physiology
Hospital Mortality
Hospitals
Humans
Logistic Models
Male
Medicine and Health Sciences
Middle Aged
Models, Theoretical
Mortality
Myocardial infarction
Patient outcomes
Patients
People and Places
Percutaneous Coronary Intervention
Practice guidelines (Medicine)
Prospective Studies
Registries
Research and Analysis Methods
Risk factors
ST Elevation Myocardial Infarction
Time Factors
title Impact of the Type of First Medical Contact within a Guideline-Conform ST-Elevation Myocardial Infarction Network: A Prospective Observational Registry Study
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