Application of Non-Contrast Enhanced Magnetic Resonance Angiography in Hand Artery Imaging in Patients with Rheumatoid Arthritis
WANG Zhi-cheng1, HUANG He2
1.Department of Radiology, Dalian Central Hospital, Dalian Liaoning 116033, China; 2.Department of Radiology, Dalian Children’s Hospital, Dalian Liaoning 116012, China
Abstract：Objective To investigate the effectiveness of application of non-contrast enhanced magnetic resonance angiography (NCE-MRA) in hand artery imaging in patients with rheumatoid arthritis (RA). Methods Altogether 32 RA patients who had been treated in the hospital from January 2013 to December 2014 were selected as the research object. All patients were scanned by hand artery NCE-MRA and contrast-enhanced magnetic resonance angiography (CE-MRA). And then the signal-to-noise ratio (SNR), signal-to-noise ratio (CNR) and vascular edge sharpness of the NCE-MRA and CE-MRA imaging results were compared. Additionally, image quality was evaluated and statistically compared. Results The vascular edge sharpness, SNA and CNR in NCE-MRA Group were higher than that in CE-MRA Group with statistically significant differences (P<0.05). The image quality in NCE-MRA Group were obviously better than that in CE-MRA Group with statistically significant differences (P<0.05). Conclusion Application of non-contrast enhanced magnetic resonance angiography in patients with rheumatoid arthritis could improve the imaging quality of the hand artery segments. And SNR, CNR as well as the vascular edge sharpness of NCE-MRA at each artery location were higher than those of CE-MRA, which showed its higher diagnostic effectiveness and deserved promotion.
王志成，黄鹤. 非增强磁共振血管成像在类风湿性关节炎患者手动脉成像中的应用[J]. 中国医疗设备, 2015, 30(10): 70-72.
WANG Zhi-cheng, HUANG He. Application of Non-Contrast Enhanced Magnetic Resonance Angiography in Hand Artery Imaging in Patients with Rheumatoid Arthritis. China Medical Devices, 2015, 30(10): 70-72.
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