Journal of evaluation in clinical practice
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The recent emergence of evidence-based medicine (EBM) presents medical ethics with the challenge of analyzing what is the current best medical evidence in ethical decision making. This article concludes that the use of the best available, most recently published research findings is a primary moral obligation. However, this does not automatically mean that the use of these research findings will lead to better ethical decision making. ⋯ Moreover, the introduction of norms, values, principles and ethical theories can lead to other choices than those proposed by empirical research findings. Ethical decision making must be informed and legitimated by the best available medical research. Nevertheless, ethical decision making is still primarily a choice based on values and norms.
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Clinical practice guidelines often grade the 'strength' of their recommendations according to the robustness of the supporting research evidence. The existing methodology does not allow the strength of recommendation (SOR) to be upgraded for recommendations for which randomized controlled trials are impractical or unethical. The purpose of this study was to develop a new method of determining SOR, incorporating both research evidence and expert opinion. ⋯ This new system of grading strength of SOR is less constrained than the traditional methodology and offers the advantage of allowing SOR for procedures which cannot be assessed in RCTs for practical or ethical reasons to be upgraded according to expert opinion.
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This paper examines how the concept of the 'evidence-based' approach has transferred from clinical medicine to public health and has been applied to health promotion and policy making. In policy making evidence has always been interpreted broadly to cover all types of reasoned enquiry and after some debate the same is now true for health promotion. ⋯ Evidence 'enlightens' policy makers shaping how policy problems are framed rather than providing the answer to any particular problem. There are lessons from the way that evidence-based policy is being applied in public health that could usefully be taken back into medicine.