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• Clinical Article •
Evaluating diagnostic value of 3D-SNAP high resolution magnetic resonance in intracranial artery dissection
TANG Min  ZHANG Xin  ZHANG Dongsheng  ZHANG Xiaoling  LI Longchao  WANG Li  LIU Peng  GAO Jie 

Cite this article as: Tang M, Zhang X, Zhang D, et al. Evaluating diagnostic value of 3D-SNAP high resolution magnetic resonance in intracranial artery dissection. Chin J Magn Reson Imaging, 2019, 10(2): 105-109. DOI:10.12015/issn.1674-8034.2019.02.006.


[Abstract] Objective: To discuss the diagnostic value of 3D-SNAP high resolution magnetic resonance in the intracranial artery dissection.Materials and Methods: 43 patients who suffered an ischemic stroke or transient ischemia attach from Jan 2015 to Mar 2018 were prospectively collected. They were devided into the intracranial artery dissection group (n=18) and the non-dissection group (n=25). All patients were performed TOF-MRA, T1WI-VISTA, T2WI, 3D-SNAP and CE-T1WI using Philips Ingenia 3.0 T MRI. The intracranial artery dissection were blinded analyzed image findings every sequences. The independent sample t test or chi-square test was used for clinic data, image findings between intracranial artery dissection group and the non-dissection group. ROC curve was used to evaluate diagnostic efficiency of each sequence in intracranial artery dissection.Results: (1) The age between artery dissection group and the non-dissection was statistically significant (P<0.05), it had no significant difference in gender, blood pressure, diabetes mellitus, and smoker between two groups. (2) There was significant difference in the displaying rates of intramural hematoma, double lumen, intimal flap signs in intracranial artery dissection on TOF-MRA, T2WI, T1WI-VISTA, SNAP and CE-T1WI. The SNAP was the most sensitive method for diagnosis of intramural hematoma, and the CE-T1WI was the most sensitive to display double lumen and intimal flap signs. (3) Areas of TOF-MRA, T2WI, T1WI-VISTA, SNAP, CE-T1WI, SNAP combined with CE-T1WI under ROC curves to diagnose intracranial arterial dissection were 0.663, 0.492, 0.729, 0.741, 0.752, 0.824, respectively.Conclusions: 3D-SNAP High resolution magnetic resonance is a noninvasive and effective method which has the greatest development potential and the most promising prospects to evaluate intracranial artery dissection.
[Keywords] intracranial artery dissection；three dimensional simultaneous noncontrast angiography and intra plaque hemorrhage；magnetic resonance imaging

TANG Min Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

ZHANG Xin Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

ZHANG Dongsheng Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

ZHANG Xiaoling Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

LI Longchao Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

WANG Li Department of Neurology, Shaanxi Provincial People's Hospital, Xi'an 710068, China

LIU Peng Department of Neurology, Shaanxi Provincial People's Hospital, Xi'an 710068, China

GAO Jie* Department of MRI, Shaanxi Provincial People's Hospital, Xi'an 710068, China

*Correspondence to: Gao J, E-mail: gaojie8661@163.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of Social Development of Science and Technology Research Foundation of Shaanxi No. 2015SF123 Shaanxi Provincial People's Hospital Incubator Foundation No. 2017YX-05
Received  2018-04-01
Accepted  2018-05-18
DOI: 10.12015/issn.1674-8034.2019.02.006
Cite this article as: Tang M, Zhang X, Zhang D, et al. Evaluating diagnostic value of 3D-SNAP high resolution magnetic resonance in intracranial artery dissection. Chin J Magn Reson Imaging, 2019, 10(2): 105-109. DOI:10.12015/issn.1674-8034.2019.02.006.

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