Bioprosthetic Heart Valves: Impact of Implantation on Biomaterials
Figure 13
Histologic section of the Mitroflow pericardial valve shows (a) marked areas of calcification (asterisk) and serum insudation “S.” (Stain: elastic trichrome. Original magnification ×2.5). (b) Calcification of the body of the cusp (asterisk) with tear of the cusp (arrow) (c) Calcification of the cusp (asterisk) with small areas of hemorrhage (black arrow). (d) Large organized thrombus “T” on the surface of the cusp “C.” (b), (c), and (d) Stain: Movat pentachrome. Original magnification ×5.
