tailieunhanh - Báo cáo y học: "Why do ineffective treatments seem helpful"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Why do ineffective treatments seem helpful? A | Chiropractic Osteopathy BioMed Central Open Access Why do ineffective treatments seem helpful A brief review Steve E Hartman Address Department of Anatomy College of Osteopathic Medicine University of New England Biddeford Maine 04005 USA Email Steve E Hartman - shartman@ Published 12 October 2009 Received 5 August 2009 Chiropractic Osteopathy 2009 17 10 doi l746-l 340-17-10 Accepted 12 October 2009 This article is available from http content l7 l 10 2009 Hartman licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract After any therapy when symptoms improve healthcare providers and patients are tempted to award credit to treatment. Over time a particular treatment can seem so undeniably helpful that scientific verification of efficacy is judged an inconvenient waste of time and resources. Unfortunately practitioners accumulated day-to-day informal impressions of diagnostic reliability and clinical efficacy are of limited value. To help clarify why even treatments entirely lacking in direct effect can seem helpful I will explain why real signs and symptoms often improve independent of treatment. Then I will detail quirks of human perception interpretation and memory that often make symptoms seem improved when they are not. I conclude that healthcare will grow to full potential only when judgments of clinical efficacy routinely are based in properly scientific placebo-controlled outcome analysis. Why do ineffective treatments seem helpful A brief review Much the greater part of medicine s useful and practical knowledge. derives not from physicians observations of patients at the bedside but from the laboratories of the natural sciences physics and engineering 1 . An average day at the .

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