Two Cheers for Evidence-Based Medicine

In recent years, evidence-based medicine has had an important influence on cardiovascular devices, but it's easy to overlook the staying power of subjective judgment. At a session on "What's the Science on Niche Devices?" held during this year's American Heart Association meeting, the cardiologist-audience clearly didn't seem deterred from using certain devices such as DCA and rotoblators, despite equivical or mediocre results in clinical trials.