Transcatheter aortic valve replacement may be an appropriate treatment for severe aortic stenosis in patients who are at low or intermediate risk for surgery, according to a study published in the European Heart Journal. "Compared with patients at calculated risk, well-selected patients with STS-defined intermediate or low risk appear to have favorable clinical outcomes," the authors of the Swiss study wrote. U.S.-based physicians are hopeful TAVR indications can be broadened if data continue to support doing so, said Dr. William Suh of the University of California, Los Angeles.

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