Data Management And Sharing System of China National Clinical Research Center for Neurological Diseases
Evaluation of Angioarchitectural Features of Unruptured Brain Arteriovenous Malformation by Susceptibility Weighted Imaging
First author：Wu Chun-Xue, Chun-Xue
Corresponding author：Ma Jun, Jun
essential_information
- Person in charge：Wu Chun-Xue, Chun-Xue
- Data Sources： OTHERS
- Number of papers：OTHERS20190732
- Published time：2018-05-01
2018-05-01
Published articles
Journal：World Neurosurgery
Publication type: Article
IF(IF): 2.104
PMID: 29859363 Link To Pubmed Full text Download
Background And Purpose
Method
A total of 81 consecutive patients with unruptured bAVM were examined. Image quality of SWI for the assessment of bAVM angioarchitectural features was determined by a 5-point scale. The accuracy of SWI for detection of angioarchitectural features was evaluated using digital subtraction angiography as a standard reference and further compared among unruptured bAVMs with or without silent intralesional microhemorrhage on SWI to examine the potential confounding effect of microhemorrhage on image analysis.
Conclusion
SWI might be a noninvasive alternative technique for angiography in the angioarchitectural assessment of unruptured bAVM.
Main results
All lesions were identified on SWI. Image quality of SWI was judged to be at least adequate for diagnosis (range, 3-5) in all patients by both readers. Using digital subtraction angiography as a reference standard, the area under the receiver operating curve of detection of deep or posterior fossa location, exclusively deep venous drainage, venous ectasia, venous varices, and the presence of associated aneurysm on SWI was 1, 0.93, 0.94, 0.95, and 0.83, respectively. Silent intralesional microhemorrhage were detected in 39 patients (48.15%) on SWI and no significant difference (P > 0.05) was found in angioarchitectural features between patients with and without silent microhemorrhage.