Clinically silent cerebral lesions after cerebral catheter angiography

被引:25
作者
Hähnel, S [1 ]
Bender, J [1 ]
Jansen, O [1 ]
Hartmann, M [1 ]
Knauth, M [1 ]
Büsing, K [1 ]
Sartor, K [1 ]
机构
[1] Univ Klinikum Heidelberg, Abt Neuroradiol, D-69120 Heidelberg, Germany
来源
ROFO-FORTSCHRITTE AUF DEM GEBIET DER RONTGENSTRAHLEN UND DER BILDGEBENDEN VERFAHREN | 2001年 / 173卷 / 04期
关键词
CNS; angiography; MR-diffusion/perfusion; ischemia/infarction;
D O I
10.1055/s-2001-12465
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Clinically Silent Cerebral Lesions after Cerebral Catheter Angiography. Purpose: To assess for the incidence of clinically silent cerebral lesions after cerebral catheter angiography. Methods: MRI including PD-, T-2-, and diffusion-weighted images was performed shortly before and after 27 cerebral catheter angiographies. Results: After 5/27 angiographies (18.5%) we found 6 new, presumably embolic cerebral lesions with a typical diameter of 2-3 mm on diffusion-weighted images. No correlation was found between the occurrence of these lesions and a preexisting arteriosclerotic cerebrovascular disease, fluoroscopy time, or number of angiographic series. Conclusion: Cerebral angiography appears to be associated with a relatively high risk (about 20 %) of clinically silent cerebral embolism. This risk is higher than has been estimated based on the incidence of neurological deficits (0.1 - 0.3 %) after cerebral angiography. The safety of cerebral angiography needs to be improved. Diffusion-weighted MR imaging is suitable to monitor the safety of angiographic procedures and material.
引用
收藏
页码:300 / 305
页数:6
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