Abstract
The specific flow pattern and imaging features of prosthetic heart valves poses major challenges for the Doppler echocardiographic assessment of prosthetic valve structure and function. A comprehensive approach that integrates several semi-quantitative and quantitative parameters obtained from multiple views is key to appropriately detect and quantitate prosthetic valve dysfunction and complications. In patients with prosthetic valves, and particularly in those with mitral prostheses, transesophageal echocardiography is often required to confirm and/or complement information obtained by transthoracic echocardiography. Three-dimensional echocardiography may provide incremental information for the identification of the underlying etiology of prosthetic valve stenosis or regurgitation. Transcatheter aortic valve implantation has rapidly expanded in the past 10 years and paravalvular regurgitation is frequent following this procedure. Given that paravalvular regurgitant jets are often multiple, irregular, and eccentric, the grading of this type of regurgitation is particularly challenging and requires an integrative multiwindow, multiplane, multiparametric approach.
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Abbreviations
- 2D:
-
Two-dimensional
- 3D:
-
Three-dimensional
- CW:
-
Continuous wave
- DVI:
-
Doppler velocity index
- EOA:
-
Effective orifice area
- LV:
-
Left ventricle/ventricular
- LVEF:
-
Left ventricular ejection fraction
- LVOT:
-
Left ventricular outflow tract
- PW:
-
Pulse wave
- PPM:
-
Prosthesis-patient mismatch
- PVR:
-
Paravalvular regurgitation
- SD:
-
Standard deviation
- TAVI:
-
Transcatheter aortic valve implantation
- TEE:
-
Transesophageal echocardiography
- TTE:
-
Transthoracic echocardiography
- VARC:
-
Valve Academic Research Consortium
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Acknowledgments
P. Pibarot holds the Canada Research Chair in Valvular Heart Disease and his research program is funded by Canadian Institutes of Health Research (Ottawa, Ontario, Canada) and Heart and Stroke Foundation of Québec (Montreal, Québec, Canada).
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Conflict of Interest
Haïfa Mahjoub and Jean-Gaston Dumesnil declare that they have no conflict of interest.
Philippe Pibarot received research grants from Edwards Lifesciences for Echocardiography Core Laboratory analyses of transcatheter heart valves, and speaker honoraria from St. Jude Medical.
Human and Animal Rights and Informed Consent
This article does not contain any studies with human or animal subjects performed by any of the authors.
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Mahjoub, H., Pibarot, P. & Dumesnil, JG. Echocardiographic Evaluation of Prosthetic Heart Valves. Curr Cardiol Rep 17, 48 (2015). https://doi.org/10.1007/s11886-015-0602-z
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DOI: https://doi.org/10.1007/s11886-015-0602-z