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Noninvasive Detection of Left-Ventricular Systolic Dysfunction by Acoustic Cardiography in Atrial Fibrillation
Joint Authors
Kobza, Richard
Zuber, Michel
Dillier, Roger
Erne, Paul
Erne, Susanne
Arand, Patricia
Source
Cardiology Research and Practice
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-10-17
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Objectives.
Assessment of left ventricular (LV) systolic function in patients with atrial fibrillation can be difficult.
Acoustic cardiography provides several parameters for quantifying LV systolic function.
We evaluated the ability of acoustic cardiography to detect LV systolic dysfunction in patients with and without atrial fibrillation.
Design.
We studied 194 patients who underwent acoustic cardiography and cardiac catheterization including measurement of angiographic ejection fraction (EF) and maximum LV dP/dt.
LV systolic dysfunction was defined as LV maximum dP/dt <1600 mmHg/s.
Acoustic cardiographic parameters included electromechanical activation time (EMAT) and the systolic dysfunction index (SDI).
Results.
Acoustic cardiography detected systolic dysfunction with high specificity and moderate sensitivity with similar performance to EF (sensitivity/specificity without afib: EMAT 30/96, SDI 40/90, EF at 35% 30/96; sensitivity/specificity with afib: EMAT 64/82, SDI 59/100, EF at 35% 45/82).
Conclusions.
Acoustic cardiography can be used for diagnosis of LV systolic dysfunction in atrial fibrillation.
American Psychological Association (APA)
Dillier, Roger& Kobza, Richard& Erne, Susanne& Zuber, Michel& Arand, Patricia& Erne, Paul. 2010. Noninvasive Detection of Left-Ventricular Systolic Dysfunction by Acoustic Cardiography in Atrial Fibrillation. Cardiology Research and Practice،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-451716
Modern Language Association (MLA)
Dillier, Roger…[et al.]. Noninvasive Detection of Left-Ventricular Systolic Dysfunction by Acoustic Cardiography in Atrial Fibrillation. Cardiology Research and Practice No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-451716
American Medical Association (AMA)
Dillier, Roger& Kobza, Richard& Erne, Susanne& Zuber, Michel& Arand, Patricia& Erne, Paul. Noninvasive Detection of Left-Ventricular Systolic Dysfunction by Acoustic Cardiography in Atrial Fibrillation. Cardiology Research and Practice. 2010. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-451716
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-451716