실험적 미세혈관 이식과 이식 후의 조직학적 소견

Abstract

Histopathological features of microvascular anasto! TIGses using "Invagination technique," end-to-end anastomoses and long term results of interposed venous grafts were studied in the femoral vessels of rat one to 12 months following surgery. The observation performed under light microscope, TEM and SEM. I. Histopathological features of the anastomotic site, which were repaired by "Invagination technique" and usual end·to·end anastomosis respectively, did not differ each other in the long term results. 2. Histological regeneration of anastomotic site did not accomplished by post·op 2 months and revealed active process was undergoing. 3. Endothelial lining of intima was nearly completed by 2 months at undamaged portion directly by suture materials. 4. In summary it may be said that histological examination of the specimen ranging in age from one to 12 months led general conclusion that venous grafts persist as living structure but undergo certain histological changes consisting of fibrous reinforcement.