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First medical contact in patients with STEMI and its impact on time to diagnosis; an explorative cross-sectional study.

Abstract：

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, p<0.001). 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.

journal_name

BMJ Open

journal_title

BMJ open

authors

Thylén I,Ericsson M,Hellström Ängerud K,Isaksson RM,Sederholm Lawesson S,SymTime study group.

doi

10.1136/bmjopen-2014-007059

subject

Has Abstract

pub_date

2015-04-21 00:00:00

pages

e007059

issue

4

issn

2044-6055

pii

bmjopen-2014-007059

journal_volume

5

pub_type

杂志文章,多中心研究

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