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[Thrombolytic delay in myocardial infarction and primary care]
J M Soler Torró1, J C Martín Baena, G Amer Llueca
1Servicio de Urgencias, Hospital Francesc de Borja, Gandía, Valencia. jmsoler@meditex.es
Objectives:
To analyse the effect of a primary care consultation at a health centre or at home and to determine the effect of the use of the pre-hospital electrocardiogram on thrombolytic delay.
Design:
Analytical cross-sectional study.
Setting:
La Safor county (136,000 inhabitants), Valencia, Spain.
Patients:
Sample of 137 patients from the area admitted for acute myocardial infarction.
Intervention:
None.
Measurements And Results:
Multivariate analysis through Cox regression models of the thrombolytic delay, comparing the patients who attended a primary care centre (40, 29.2%) and those who called out a doctor to their home (26, 19.0%) with those who attended hospital (71, 51.8%). The thrombolysis proportions in the groups were analysed with logistic regression. Patients referred from primary care arrived at hospital later than those who attended directly, although a greater thrombolytic delay was only seen in those visited at home (RR 0.25, 95% CI 0.09-0.71). A primary care electrocardiogram (14 patients, 10.2%) reduced the thrombolytic delay (RR 8.81, 95% CI 1.20-64.91) by reducing intra-hospital delay. There were no differences between the groups for the thrombolysis proportion (67 patients, 48.9%).
Conclusions:
Patients with infarction seen in primary care reach hospital later. Calling and waiting for the doctor at home increases the thrombolytic delay. An electrocardiogram on the infarction patients who attend a health centre reduces thrombolytic delay by reducing intra-hospital delay.