High-Gradient Aortic Stenosis With Valve Area >1.0 cm2

被引:0
|
作者
Ito, Saki [1 ]
Oh, Jae K. [1 ]
Michelena, Hector I. [1 ]
Egbe, Alexander C. [1 ]
Connolly, Heidi M. [1 ]
Pellikka, Patricia A. [1 ]
Nkomo, Vuyisile T. [1 ]
Lewis, Bradley R. [2 ]
Miranda, William R. [1 ]
机构
[1] Mayo Clin, Dept Cardiovasc Med, 200 First Street SW, Rochester, MN 55905 USA
[2] Mayo Clin, Div Biomed Stat & Informat, Rochester, MN USA
关键词
aortic stenosis; echocardiography; prognosis; valve disease; valve gradient; EUROPEAN ASSOCIATION; EJECTION FRACTION; AMERICAN SOCIETY; PROGNOSTIC VALUE; FLOW-RATE; RECOMMENDATIONS; MANAGEMENT; SURVIVAL; CRITERIA; UPDATE;
D O I
10.1016/j.jcmg.2024.07.025
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BACKGROUND Clinical features and outcomes in severe aortic stenosis (AS) have been described according to the hemodynamic phenotypes. OBJECTIVES The aim of this study was to investigate the clinical features and prognosis of patients with high-gradient (HG) AS with aortic valve area (AVA) >1.0 cm2. METHODS A total of 3,209 patients were identified according to AVA (cm2), peak velocity (m/s), systolic mean pressure gradient (MG) (mm Hg): HG-AVA >1 = >1.0, >= 4, and >= 40, HG-AVA <= 1 = <= 1.0, >= 4, and >= 40; LG-AVA <= 1 (low-gradient) = <= 1.0, <4, and <40; moderate AS = 1.0 <AVA <= 1.53, 3 <= PEAK Velocity <4, and 20 <= MG <40. RESULTS HG-AVA>1 accounted for 230 individuals (7.2%). Compared with others, patients with HG-AVA >1 were younger (70.2 f 12.0 years), more frequently male (85.7%), had fewer comorbidities, larger body surface area and stroke volume (115 f 19.3 mL), and had higher prevalence of bicuspid valve (39.6%). After a follow-up of 944 days (Q1-Q3: 272,212 days), 1,523 deaths occurred. Compared with the HG-AVA >1 group, all-cause mortality was higher in HG-AVA <= 1 (HR: 1.4; 95% CI: 1.1-1.7), LG-AVA <= 1 (HR: 2.8; 95% CI: 2.2-3.6), and moderate AS (HR: 1.4; 95% CI: 1.1-1.7). These differences were no longer significant after adjustment for age, comorbidities, bicuspid valve, and cardiac function. In the HG-AVA >1 group, patients with aortic valve replacement had better survival outcomes than those without aortic valve replacement (P < 0.001) after balancing the 2 groups. CONCLUSIONS The underlying relative high-flow status is responsible for HG in patients with HG-AVA >1. This profile has better prognosis than others, being related to underlying younger age and better general and cardiac conditions, but aortic valve replacement may still benefit these patients. (JACC Cardiovasc Imaging. 2025;18:166-176) (c) 2025 by the American College of Cardiology Foundation.
引用
收藏
页码:166 / 176
页数:11
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