Vascular grafting

Japanese: 血管移植 - けっかんいしょく(英語表記)vascular grafting
Vascular grafting
A blood vessel transplant is used to repair a missing blood vessel after removal of a diseased area, or to create a bypass by bridging an obstructed area of ​​a blood vessel. The former is called a replacement blood vessel transplant and is performed for aneurysms, very localized arterial obstruction, or trauma. On the other hand, the latter is called a bypass blood vessel transplant and is performed for diffuse arterial obstruction over a somewhat wider area. Synthetic blood vessel substitutes (artificial blood vessels) are used up to the subclavian or iliac artery, while autologous great saphenous vein is used for more peripheral areas where the graft site bends due to body movement.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
病変部を切除した後に欠損部の血管を補塡(ほてん)したり,血管の閉塞部に架橋するようにしてバイパスをつくったりするときに行われる血管の移植。前者は置換血管移植と呼ばれ,動脈瘤やきわめて限局した動脈閉塞,あるいは外傷などで行われる。一方,後者はバイパス血管移植と呼ばれ,多少範囲の広い瀰漫(びまん)性の動脈閉塞に対して行われる。代用血管としては,鎖骨下動脈あるいは腸骨動脈程度までのところでは合成代用血管(人工血管)が,それより末梢で体の運動により移植部位が屈曲するようなところには自家大伏在静脈が用いられている。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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