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Changing prescribing behaviour: early low dose aspirin in suspected acute myocardial infarction
S L Seneviratne1, S B Gunatilake, A A Adhikari
1Department of Medicine, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka.
Introduction:
Evidence obtained from large clinical trials would be of limited value, if such evidence does not reach the provider of care, and even when it reaches them, if they do not change their clinical behaviour accordingly. The aim of our study was to assess the effectiveness of intervention, aimed at changing prescribing behaviour of general practitioners (GPs) with regard to early low dose aspirin in patients with suspected acute myocardial infarction (MI).
Methods:
A total of 96 GPs were sent a questionnaire assessing their knowledge and practices with regard to use of low dose aspirin in acute MI in November 1995 (Q1), June 1996 (Q2) and September 1996 (Q3). An 'intervention' was carried out with a view to changing GP prescribing of low dose aspirin is suspected acute MI after the first two questionnaires were sent.
Results:
The results of this study seem to show that an intensive 'intervention' achieved success in changing prescribing behaviour of GPs. Although the intervention resulted in a overall significant increase in the prescription of low dose aspirin in suspected acute MI, it was seen that in the GPs who were aged <40 years the success achieved with the 'intervention' was greater when compared with that seen in those older than 40 years.
Conclusion:
Dissemination of information on new practices in medicine are important in the process of continuing medical education for doctors. A 'personal intervention' such as is described in this study seems to have good effect.