Surviving patients with severe aortic stenosis show marked improvements from transcatheter aortic valve replacement, according to a study published in Catheterization & Cardiovascular Interventions this month. The study followed 167 high-risk patients with native severe aortic stenosis. Although all-cause mortality was high among the group, researchers said their findings indicate TAVR is "feasible in patients with severe comorbidities and low-flow, low-gradient aortic stenosis."

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