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• MRI Equipment Research •
Clinical image quality evaluation and comparison between different MRI equipment in the central nervous system
WANG Simin  LI Yan  YAN Fuhua  ZHANG Huan  ZHAI Jing  JIN Zhijia  WANG Bingshun  DU Lianjun 

Cite this article as: Wang SM, Li Y, Yan FH, et al. Clinical image quality evaluation and comparison between different MRI equipment in the central nervous system. Chin J Magn Reson Imaging, 2019, 10(2): 83-88. DOI:10.12015/issn.1674-8034.2019.02.002.


[Abstract] Objective: To evaluate and compare the clinical image quality of central nervous system of different types of MRI imaging equipment.Materials and Methods: According to the "MRI Accreditation Program Clinical Image Quality Guide" issued by the American College of Radiology in 2013, 531 cases of non-contrast brain MRI images were collected from more than 40 medical institutions nationwide, and 4 common sequences of these cases were evaluated by Likert five-point scale method. All the samples were divided into domestic group and imported group, as well as 1.5 T group and 3.0 T group for comparative study.Results: In the comparative study, most clinical image evaluation indexes of the 3.0 T group were better than those of the 1.5 T group (P<0.05). In the 1.5 T group, most evaluation indexes of the imported subgroup were superior to those of the domestic subgroup (P <0.05). In the 3.0 T group, the difference of most evaluation indexes between domestic and imported subgroups were not statistically significant. In the 1.5 T group, one of the domestic equipment (United Imaging) and other imported equipment (Siemens and GE) were selected for comparative study. Some evaluation indexes of the domestic equipment were better than those of the imported equipment, but there was still a gap between domestic and imported equipment with respect to some other evaluation indexes.Conclusions: In the aspect of the central nervous system MRI imaging, the image quality of the 3.0 T equipment is generally superior to that of the 1.5 T equipment, and the image quality of the domestic equipment is better than that of the imported equipment in some aspects, but there still exist some gaps between the overall level of the image quality of the domestic equipment and that of the imported equipment to some extent.
[Keywords] medical equipment；magnetic resonance imaging；clinical image quality；central nervous system；comparative study

WANG Simin Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

LI Yan Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

YAN Fuhua Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

ZHANG Huan Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

ZHAI Jing School of Public Health, Shanghai Jiao Tong University, Shanghai 200025, China

JIN Zhijia Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

WANG Bingshun Department of Biostatistics, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

DU Lianjun* Department of Radiology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China

*Correspondence to: Du LJ, E-mail: dlj10788@rjh.com.cn

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of National Key Research and Development Program of China No.2016YFC0106800, 2016YFC0106802, 2016YFC0106805
Received  2018-12-21
Accepted  2019-01-18
DOI: 10.12015/issn.1674-8034.2019.02.002
Cite this article as: Wang SM, Li Y, Yan FH, et al. Clinical image quality evaluation and comparison between different MRI equipment in the central nervous system. Chin J Magn Reson Imaging, 2019, 10(2): 83-88. DOI:10.12015/issn.1674-8034.2019.02.002.

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