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Research shows immediate phase of blood vessel restructuring after aneurysm Hitting a pothole on the road in just the wrong way might create a bulge on the tire, a weakened spot that will almost certainly lead to an eventual flat tire. But what if that tire could immediately begin reknitting its rubber, reinforcing the bulge and preventing it from bursting? That's exactly what blood vessels can do after an aneurysm forms, according to new research led by the University of Pittsburgh's Swanson School of Engineering and in partnership with the Mayo Clinic. Aneurysms are abnormal bulges in arter...

Why ‘Useless’ Surgery Is Still Popular Aug. 3, 2016 Before a drug can be marketed, it has to go through rigorous testing to show it is safe and effective. Surgery, though, is different. The Food and Drug Administration does not regulate surgical procedures. So what happens when an operation is subjected to and fails the ultimate test — a clinical trial in which patients are randomly assigned to have it or not? The expectation is that medical practice will change if an operation turns out not to help. If only. It looks as if the onus is on patients to ask what evidence, if any, ...