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  • Title: One-year prospective study of cases of suspected acute myocardial infarction managed by urban and rural general practitioners.
    Author: Murphy AW, McCafferty D, Dowling J, Bury G.
    Journal: Br J Gen Pract; 1996 Feb; 46(403):73-6. PubMed ID: 8855011.
    Abstract:
    BACKGROUND: The role of the general practitioner in the management of patients with suspected acute myocardial infarction is important and specific. It has been recommended that eligible patients should receive thrombolysis within 90 minutes of alerting medical or ambulance services. The administration of prehospital thrombolysis by general practitioners is controversial. Most research into the management of acute myocardial infarction has been hospital based and has not explored differences between urban and rural general practice. AIM: In 1993-94 a one-year prospective survey was undertaken of samples of urban and rural general practitioners to examine their management of cases of suspected acute myocardial infarction and to determine whether differences in management existed between the two settings. METHOD: General practitioners were recruited through the continuing medical education faculty network of the Irish College of General Practitioners. Participating general practitioners completed a report form for cases of suspected acute myocardial infarction. Six-week follow-up forms were also completed. RESULTS: A total of 113 general practitioners (54 urban and 59 rural) participated in the study. A total of 57 general practitioners contributed 195 cases, 49 from urban and 146 from rural areas. The mean number of cases of suspected acute myocardial infarction per participant for urban and rural doctors was 0.9 and 2.5, respectively. Median delay time from onset of symptoms to contacting the general practitioner was 90 minutes for both urban and rural patients. Median general practitioner response times for urban and rural doctors were 10 and 15 minutes, respectively. Median estimated journey times from location of the patient to hospital for urban and rural patients were 10 and 40 minutes, respectively (P<0.001). Rural doctors were more likely, in comparison with their urban counterparts, to administer aspirin (given to 40% of patients versus 16%, P<0.01) but less likely to administer intravenous morphine (26% versus 41%, P<0.05). Twenty one patients (11%) died at the scene; follow-up forms were received for 94% of the remaining patients. Of these 163 patients, 99% were admitted to hospital; 49% were discharged with a diagnosis of acute myocardial infarction and a further 25% had final diagnoses consistent with acute coronary heart disease. CONCLUSION: This study suggests that the management of patients with suspected acute myocardial infarction differs in urban and rural settings. Delay times suggest that in order to meet current guidelines, prehospital thrombolysis must become a reality in rural areas.
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