Transesophageal echocardiographic features of normal and dysfunctioning bioprosthetic valves

Color Doppler assessment of mitral regurgitation with orthogonal planes.

F Helmcke, Navin C. Nanda, Ming C. Hsiung et al. · Circulation · 1987 · 1.2K citations · Full text

Medicine, Cardiology, Cardiothoracic Radiology +15

Evaluation of aortic insufficiency by Doppler color flow mapping

Gilbert J. Perry, Frederick Helmcke, Navin C. Nanda et al. · Journal of the American College of Cardiology · 1987 · 884 citations

Medicine, Cardiology, Surgery +14

Transesophageal two-dimensional echocardiography and color Doppler flow velocity mapping in the evaluation of cardiac valve prostheses.

U Nellessen, Ingela Schnittger, C. P. Appleton et al. · Circulation · 1988 · 166 citations

Medicine, Cardiology, Surgery +17

In vitro color flow, pulsed and continuous wave Doppler ultrasound masking of flow by prosthetic valves

Dennis L. Sprecher, Richard D. Adamick, David B. Adams et al. · Journal of the American College of Cardiology · 1987 · 87 citations

Medicine, Surgery, Prosthetics +15

The Porcine Bioprosthetic Heart Valve: Experience at 15 Years

Donald J. Magilligan, Joseph W. Lewis, Paul D. Stein et al. · The Annals of Thoracic Surgery · 1989 · 86 citations · Full text

Medicine, Cardiology, Surgery +12