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Healthy Skepticism Library item: 13144

Warning: This library includes all items relevant to health product marketing that we are aware of regardless of quality. Often we do not agree with all or part of the contents.

 

Publication type: Journal Article

Mayor S.
UK experts call for national system to evaluate diagnostic tests
BMJ 2008 Mar 11; epub ahead of print
http://www.bmj.com/cgi/content/extract/bmj.39517.609294.DBv1


Abstract:

A national system should be introduced to evaluate diagnostic tests for use by the NHS, a report published this week recommends. It warns that currently no process is available for deciding which of the rapidly growing number of new tests should be used.

Such an evaluation system should extend to tests and scans aimed at people who are well, making information available to the public to warn them that many of these tests are not useful and can be harmful, according to a second report.

The first report, The Evaluation of Diagnostic Laboratory Tests and Complex Biomarkers, notes that about one billion laboratory tests are performed each year in the United Kingdom. “NHS laboratories have sophisticated systems to ensure the analytical accuracy of the tests, yet no system is in place to ensure the clinical effectiveness and utility of individual tests,” warned Peter Furness, consultant histopathologist at the University . . .

 

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Far too large a section of the treatment of disease is to-day controlled by the big manufacturing pharmacists, who have enslaved us in a plausible pseudo-science...
The blind faith which some men have in medicines illustrates too often the greatest of all human capacities - the capacity for self deception...
Some one will say, Is this all your science has to tell us? Is this the outcome of decades of good clinical work, of patient study of the disease, of anxious trial in such good faith of so many drugs? Give us back the childlike trust of the fathers in antimony and in the lancet rather than this cold nihilism. Not at all! Let us accept the truth, however unpleasant it may be, and with the death rate staring us in the face, let us not be deceived with vain fancies...
we need a stern, iconoclastic spirit which leads, not to nihilism, but to an active skepticism - not the passive skepticism, born of despair, but the active skepticism born of a knowledge that recognizes its limitations and knows full well that only in this attitude of mind can true progress be made.
- William Osler 1909