Experimental comparative study of CTA and DSA in detecting delayed cerebral vasospasm in rabbit model
- VernacularTitle:多排螺旋CT血管造影与DSA在兔脑血管痉挛模型中对比实验研究
- Author:
Yong WANG
;
Ming ZHONG
;
Xianxi TAN
;
Yunjun YANG
;
Weijian CHEN
- Publication Type:Journal Article
- Keywords:
Delayed cerebral vasospasm;
Digital substraction angiography;
Tomography,x-ray computed
- From:Journal of Interventional Radiology
2006;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To analyze the accuracy,sensitivity and safety of multidetector CT angiography(MDCTA) and DSA;furthermore to explore the clinical value of MDCTA in studying the delayed cerebral vasospasm(DCVS) .Methods Delayed cerebral vasospasm was induced in 17 rabbits by injection of autologuous blood into the cisterna magna and followed by a second injection 24 hours later.MDCTA and DSA were carried out at the 7th day before and after the procedure in order to obtain the data of vascular diameter changes for comparative study.Results The basilar artery diameters detected by MDCTA were shown preoperatively as(1.55 ? 0.14) mm and postoperatively as(0.95 ? 0.20) mm;and detected by DSA as(1.61 ? 0.19) mm and(1.00 ? 0.17) mm postoperatively;showing statistically equivalence between the two methods.Conclusions MDCTA is recommended as a reliable,rapid,and minimally invasive diagnostic method,providing a new technique for the delayed cerebral vasospasm research.
