Article (Scientific journals)
Exercise Echocardiography in Asymptomatic Patients with Severe Aortic Stenosis and Preserved Left Ventricular Ejection Fraction.
Henri, Christine; Lancellotti, Patrizio
2014In Journal of Cardiovascular Ultrasound, 22 (1), p. 1-5
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Keywords :
Aortic stenosis; Exercise echocardiography; Exercise testing
Abstract :
[en] The management of asymptomatic patients with severe aortic stenosis (AS) remains controversial. Recent series reported that early aortic valve replacement might be associated with improved clinical outcomes. However, the risk-benefit ratio should be carefully evaluated and early surgery only be proposed to a subset of asymptomatic patients considered at higher risk. Exercise echocardiography can help unmask symptomatic patients combined with assessment of the hemodynamic consequences of AS. Recent studies have demonstrated that exercise echocardiography can provide incremental prognostic value to identify patients who may benefit most from early surgery. In "truly" asymptomatic patients, an increase in mean aortic gradient >/= 18-20 mmHg, a limited left ventricular contractile reserve or a pulmonary hypertension during exercise are predictive parameters of adverse cardiac events. Exercise echocardiography is low-cost, safe and available in many referral centers, and does not expose patients to radiation. The purpose of this article is to describe the role of exercise testing and echocardiography in the management of asymptomatic patients with severe AS and preserved left ventricular ejection fraction.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Henri, Christine
Lancellotti, Patrizio  ;  Université de Liège - ULiège > Département des sciences cliniques > Imagerie cardiaque fonctionnelle par échographie
Language :
English
Title :
Exercise Echocardiography in Asymptomatic Patients with Severe Aortic Stenosis and Preserved Left Ventricular Ejection Fraction.
Publication date :
2014
Journal title :
Journal of Cardiovascular Ultrasound
ISSN :
1975-4612
eISSN :
2005-9655
Publisher :
Korean Society of Echocardiography, South Korea
Volume :
22
Issue :
1
Pages :
1-5
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 May 2014

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