Staged Transcatheter Treatment of Combined Aortic and Mitral Regurgitation: A Downstream Approach.
BACKGROUND Concomitant severe aortic (AR) and mitral regurgitation (MR) affects up to 25% of patients with aortic valve disease and portends poor prognosis. Evidence on a sequential downstream approach in native AR is limited. CASE SUMMARY We report 4 patients with high surgical risk (mean age 82 years, Society of Th...