Bioprosthetic Heart Valves: Impact of Implantation on Biomaterials
Figure 5
(a) Histologic section of a Carpentier-Edwards pericardial valve cusp shows calcification of the cusp (asterisk) and pannus “P” with fraying of the collagen fibres of the cusp. (b) Histologic section of the ISLP valve cusp shows lipid insudation and cholesterol clefts “C.” (a) and (b) Stain: Movat pentachrome. Original magnification (a) ×2.5; (b) ×10.
