“The proportion of medical procedures unsupported evidence may be nearly half,” writes a professor of public policy at Brown University. An anonymous reader quotes article in Vox:

The recent that stents inserted in patients with heart disease to keep arteries open work no better a placebo ought to be shocking. Each year, hundreds of thousands of American patients receive stents for the relief of chest pain, and the cost of the procedure ranges from $11,000 to $41,000 in US hospitals. But in fact, American doctors routinely prescribe medical treatments that based on sound science.

The stent controversy serves as a reminder that the United States struggles when it to winnowing evidence-based treatments from the ineffective chaff. As surgeon and health care researcher Atul Gawande observes, “Millions of people are receiving drugs that aren’t helping them, operations that aren’t to make them better, and scans and tests that do nothing beneficial for them, and often cause harm”… vary about what fraction of the treatments provided to patients is supported by adequate evidence, but some reviews place the figure at under half.


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