Changes in echocardiographic parameters over time in paradoxical low-flow low-gradient aortic stenosis.

European heart journal. Cardiovascular Imaging（2023）

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摘要

LFLG AS shows an intermediate AVA and gradient progression compared to NFLG and HG AS. The majority of patients initially classified as having LFLG AS changed over time to having other severe forms of AS, and most of them received AVR with a HG AS.

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关键词

aortic stenosis, paradoxical low-flow low-gradient progression, echocardiography, aortic valve surgery, heart valve disease

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