Cardiac Imaging for Assessing Low-Gradient Severe Aortic Stenosis

Abstract Up to 40% of patients with aortic stenosis (AS) harbor discordant Doppler-echocardiographic findings, the most common of which is the presence of a small aortic valve area (≤1.0 cm2 ) suggesting severe AS, but a low gradient (

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Bibliographische Detailangaben
Veröffentlicht in:	JACC. Cardiovascular imaging 2017-02, Vol.10 (2), p.185-202
Hauptverfasser:	Clavel, Marie-Annick, DVM, PhD, Burwash, Ian G., MD, Pibarot, Philippe, DVM, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	aortic stenosis Aortic Valve - diagnostic imaging Aortic Valve - physiopathology Aortic Valve - surgery Aortic Valve Stenosis - diagnostic imaging Aortic Valve Stenosis - physiopathology Aortic Valve Stenosis - surgery Cardiac Imaging Techniques Cardiovascular computed tomography echocardiography Echocardiography, Doppler Echocardiography, Stress Heart Valve Prosthesis Heart Valve Prosthesis Implantation - instrumentation Hemodynamics Humans low flow low-gradient Multidetector Computed Tomography Predictive Value of Tests Prognosis Prosthesis Design Severity of Illness Index Stroke Volume Ventricular Function, Left
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Beschreibung
Zusammenfassung:	Abstract Up to 40% of patients with aortic stenosis (AS) harbor discordant Doppler-echocardiographic findings, the most common of which is the presence of a small aortic valve area (≤1.0 cm2 ) suggesting severe AS, but a low gradient (
ISSN:	1936-878X 1876-7591
DOI:	10.1016/j.jcmg.2017.01.002