The Journal of Thoracic and Cardiovascular Surgery, Vol 71, 673-679, Copyright © 1976 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association
Scanning electron microscope study of human veins and aorta-coronary artery vein grafts
JJ Barboriak, GE Batayias and ME Korns
Scanning electron microscope study of two vein grafts which were removed
after 50 months of implantation as aorta-coronary artery vein grafts showed
considerable subendothelial thickening, which consisted of relatively
cell-poor fibrous layer. In one of the grafts the endothelial surface was
intact; the second graft showed focal loss of endothelial cells. Sections
of two fresh human veins, studied prior to their insertion as
aorta-coronary artery vein grafts, have shown that they retained an intact
endothelial layer. A third fresh vein, however, showed focal damage with
missing endothelial cells and adherent fibrin.