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First medical contact in patients with STEMI and its impact on time to diagnosis; an explorative cross-sectional study
Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Cardiology in Linköping.ORCID iD: 0000-0002-7097-392X
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
Umeå University, Sweden; Umeå University, Sweden.
Linköping University, Faculty of Medicine and Health Sciences. Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Norrbotten County Council, Sweden.
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2015 (English)In: BMJ Open, ISSN 2044-6055, E-ISSN 2044-6055, Vol. 5, no 4, e007059- p.Article in journal (Refereed) Published
Abstract [en]

Objective: It is unknown into what extent patients with ST-elevation myocardial infarction (STEMI) utilise a joint service number (Swedish Healthcare Direct, SHD) as first medical contact (FMC) instead of Emergency Medical Services (EMS) and how this impact time to diagnosis. We aimed to (1) describe patients FMC; (2) find explanatory factors influencing their FMC (ie, EMS and SHD) and (3) explore the time interval from symptom onset to diagnosis. Setting: Multicentred study, Sweden. Methods: Cross-sectional, enrolling patients with consecutive STEMI admitted within 24 h from admission. Results: We included 109 women and 336 men (mean age 66 +/- 11 years). Although 83% arrived by ambulance to the hospital, just half of the patients (51%) called EMS as their FMC. Other utilised SHD (21%), contacted their primary healthcare centre (14%), or went directly to the emergency room (14%). Reasons for not contacting EMS were predominantly; (1) my transport mode was faster (40%), (2) did not consider myself sick enough (30%), and (3) it was easier to be driven or taking a taxi (25%). Predictors associated with contacting SHD as FMC were female gender (OR 1.92), higher education (OR 2.40), history of diabetes (OR 2.10), pain in throat/neck (OR 2.24) and pain intensity (OR 0.85). Predictors associated with contacting EMS as FMC were history of MI (OR 2.18), atrial fibrillation (OR 3.81), abdominal pain (OR 0.35) and believing the symptoms originating from the heart (OR 1.60). Symptom onset to diagnosis time was significantly longer when turning to the SHD instead of the EMS as FMC (1: 59 vs 1: 21 h, pless than0.001). Conclusions: Using other forms of contacts than EMS, significantly prolong delay times, and could adversely affect patient prognosis. Nevertheless, having the opportunity to call the SHD might also, in some instances, lower the threshold for taking contact with the healthcare system, and thus lowers the number that would otherwise have delayed even longer.

Place, publisher, year, edition, pages
BMJ Publishing Group: Open Access / BMJ Journals , 2015. Vol. 5, no 4, e007059- p.
National Category
Clinical Medicine
URN: urn:nbn:se:liu:diva-119268DOI: 10.1136/bmjopen-2014-007059ISI: 000354705000054PubMedID: 25900460OAI: diva2:820610

Funding Agencies|Medical Research Council of Southeast Sweden (FORSS) [161061]

Available from: 2015-06-12 Created: 2015-06-12 Last updated: 2016-04-24

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Thylén, IngelaEricsson, MariaIsaksson, Rose-MarieLawesson, Sofia
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Division of Nursing ScienceFaculty of Medicine and Health SciencesDepartment of Cardiology in LinköpingBiologyFaculty of Science & EngineeringDepartment of Cardiology in LinköpingDepartment of Medical and Health Sciences
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