摘要
本文应用扫描电镜观察了实验性大鼠颈动脉血管吻合后1、3、7、14及60天的血管内膜修复过程,对剪开套接法和端端法进行了对比实验研究。实验结果表明:两种方法的血管内膜修复过程大致相同,但剪开套接法内膜修复相对较慢,套接处血管腔明显狭窄,60天后才恢复正常。从形态学角度分析,剪开套接法近期血管通畅情况不如端端法,远期通畅效果类似。
Experimental microvascular end-in-end (sleeve) and ordinary end-to-end anastomoses of the common carotid artery were performed in 20 adult rats. The appearance of the vascular wall was assessed 1,3, 7,14 and 60 days following surgery with scanning electron microscopy.From 1 to 14 days after surgery, all end-in-end (sleeve) anastomoses showed considered narrowing of the telescoped segment, while the vascular lumen was nearly normal in diameter after ordinary end-to-end anastomoses. A comparison of the vascular lumen betweeen these 2 methods of anastomosis was made 8 weeks after surgery, and it was shown that the repairing process and calibre of the vascular lumen were similar.In conclusion,accorcling to the morphological study, the blood volume flow after end-in-end (sleeve) anastomosis is significantly reduced than that following ordinary end-to-end anastomosis in the early stage , but there is not much difference in the later stages.
出处
《白求恩医科大学学报》
CSCD
1990年第5期422-424,521,共3页
Journal of Norman Bethune University of Medical Science
