Circulation. Cardiovascular interventions
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Circ Cardiovasc Interv · May 2017
Multicenter Study Comparative StudyHigh- Versus Low-Gradient Severe Aortic Stenosis: Demographics, Clinical Outcomes, and Effects of the Initial Aortic Valve Replacement Strategy on Long-Term Prognosis.
There is considerable debate on the management of patients with low-gradient severe aortic stenosis (LG-AS), defined as aortic valve area <1 cm2 with peak aortic jet velocity ≤4.0 m/s, and mean aortic pressure gradient ≤40 mm Hg. ⋯ URL: http://www.umin.ac.jp/ctr/index.htm. Unique identifier: UMIN000012140.