New tool could prevent needless stents and save money, cardiologist says

Doctors may be implanting too many artery-opening stents and could improve patient outcomes — and ultimately save lives — if they did more in-depth measurements of blood flow in the vessels to the heart. That's the finding of a study, to be published Jan. 15 in the New England Journal of Medicine, that evaluated the benefits of a new diagnostic tool to measure blood flow and determine whether stenting was the best option.

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