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Effects of different clipping time of aneurysm clips on common carotid artery wall in rabbits / 中国脑血管病杂志
Chinese Journal of Cerebrovascular Diseases ; (12): 193-196, 2017.
Article in Chinese | WPRIM | ID: wpr-512997
ABSTRACT
Objective To investigate the effects of different clipping time of first time using permanent aneurysm clips on common carotid artery wall in rabbitsMethods Sixty healthy male Japanese white rabbits were selected.The first time permanent aneurysm clips were used to clip common carotid artery for 30 min or 60 min respectively according to the random number method (n=30 in each group).Thirty segments of common carotid artery specimens clipped by aneurysm clips were collected respectively.Mean-Whitney U test was used to conduct the comparison of histopathological damage grade of vascular wall.Results The aneurysm clips were use to clip 30 min and 60 min caused vascular wall injury could observe the middle elastic plastic plate deformation and endothelial denudation.The vascular walls in the clipping 60 min group had local necrosis with inflammatory response,and even rupture of vascular wall.There were significant differences in overall damage degree of vascular wall (U=324.00,P=0.045) and severe injury rate (0%[0/30] vs.20.0%[6/30],P=0.031) between the clipping 30 min group and the clipping 60 min group (all P<0.05).Conclusion The vascular wall injury of using disposable permanent aneurysm clips for clipping 60 min was more severe than 30 min.Attention should be paid to shortening the time of carotid artery occlusion in operation.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cerebrovascular Diseases Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cerebrovascular Diseases Year: 2017 Type: Article