Histological Changes in the Rat Common Carotid Artery Following Simultaneous Topical Application of Cotton Sheet and Cyanoacrylate Glue

概要

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Histological changes in and around the arterial walls of rats were investigated following simultaneous topical application of cotton sheet and cyanoacrylate glue.The bilateral common carotid arteries were exposed using sterile techniques,and the test materials were applied to the right artery.The left artery served as a control.Changes in arterial histology were evaluated at 2 weeks,1 month,2 months,and 3 months after surgery.Extensive inflammation consisting primarily of histiocytes and multinuclear giant cells was observed around the materials,but tended to decrease by 3 months.Necrosis in the media and fibrosis in the adventitia initially appeared around 2 weeks,and became advanced by 2-3 months.At 2-3 months,disruption of elastic fibers and marked fibrosis in the media were seen,and endothelial proliferation in the intima appeared.Intimal proliferation was observed at both the experimental and other sites of the vessels.The present results suggest that simultaneous use of the test materials can cause the arterial occlusive lesions observed following aneurysmal surgery.
日本脳神経外科学会の論文
1999-12-15