S243-S249 September 30, 2008

The Effects of Mitral Regurgitation Alone Are Sufficient for
Leaflet Remodeling
by Elizabeth H. Stephens, Tom C. Nguyen, Akinobu Itoh, Neil B. Ingels, D. Craig
Miller, and K. Jane Grande-Allen
Circulation
Volume 118(14 suppl 1):S243-S249
September 30, 2008
Copyright © American Heart Association, Inc. All rights reserved.
Figure 1. Intraoperative picture of hole punch made in the posterior leaflet of the mitral valve.
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 2. A, Diagram showing location from which AML cross-sections were taken.
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 3. A, Microstructure of a mitral valve anterior leaflet (originally stained with Movat
pentachrome) showing different regions and layers.
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 4. A, MR grade of HOLE versus CTRL. B, Sample echo image of regurgitant jet in a HOLE
animal.
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 5. Staining intensity of matrix components in HOLE and CTRL animals. *P<0.05;
†P=0.022R; ‡P=0.081.
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 6. A, MMP-9 expression in various regions of the valve (P=0.021).
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.
Figure 7. Background elastin staining (overall P=0.023).
Elizabeth H. Stephens et al. Circulation. 2008;118:S243S249
Copyright © American Heart Association, Inc. All rights reserved.