Left Ventricular Contractility and Wall Stress in Patients With Aortic Stenosis With Preserved or Reduced Ejection Fraction.

Saki Ito,Cristina Pislaru,William R Miranda,Vuyisile T Nkomo,Heidi M Connolly,Sorin V Pislaru,Patricia A Pellikka,Bradley R Lewis,Blase A Carabello,Jae K Oh

JACC: Cardiovascular Imaging（2020）

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摘要

In patients with severe AS, LVEF <60% is associated with a poor prognosis, being linked with decreased contractility and/or high wall stress. Decreased contractility is also present in a subset of patients with LVEF ≥60% and provides incremental prognostic value. These abnormalities already exist before AVA reaches 1.0 cm.

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关键词

afterload,AS,contractility,LVEF,wall stress

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