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大孔径3T低剂量下肢动脉MRA的临床研究
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作者 李丹 邓克学 林江 《安徽医科大学学报》 CAS 北大核心 2015年第9期1333-1336,共4页
目的探讨使用大孔径3 T磁共振、低剂量对比剂行下肢动脉磁共振血管成像(MRA)的可行性。方法 MRA各血管段的病变程度由两名放射科医师分别评估。数字剪影血管造影(DSA)评估由1名医师完成。通过Kappa值判断两名医师评估MRA血管狭窄程度的... 目的探讨使用大孔径3 T磁共振、低剂量对比剂行下肢动脉磁共振血管成像(MRA)的可行性。方法 MRA各血管段的病变程度由两名放射科医师分别评估。数字剪影血管造影(DSA)评估由1名医师完成。通过Kappa值判断两名医师评估MRA血管狭窄程度的一致性,用Spearman相关系数(Rs)判断MRA和DSA显示血管病变的相关性。结果两名医师对病变血管狭窄程度的评估具有极佳的一致性。DSA与MRA图像评估结果具有明显的相关性(P<0.05)。结论在大孔径3 T磁共振中,使用低剂量对比剂可进行高分辨率的下肢动脉MRA成像。 展开更多
关键词 周围动脉血管闭塞性疾病 磁共振血管成像 并行采集技术
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PREVALENCE AND RISK FACTORS OF PERIPHERAL ARTERIAL DISEASE IN DIABETIC PATIENTS OVER 50 YEARS OLD IN CHINA 被引量:41
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作者 Heng Guan Yong-jun Li +13 位作者 Zhang-rong XU Guang-wei Li Xiao-hui Guo Zhi-min Liu Da-jin Zou Hui-li Xing Wei Liu Zheng-yan Sheng Hao-ming Tian Da-long Zhu De-min YU Wei-te Zhuang Lu-lu Chen Jian-ping Weng 《Chinese Medical Sciences Journal》 CAS CSCD 2007年第2期83-88,共6页
Objective To investigate the prevalence of peripheral arterial disease (PAD) in China type 2 diabetic patients and to demonstrate the relationships between putative risk factors and PAD. Methods In total 1 397 type 2 ... Objective To investigate the prevalence of peripheral arterial disease (PAD) in China type 2 diabetic patients and to demonstrate the relationships between putative risk factors and PAD. Methods In total 1 397 type 2 diabetic patients aged 50 years and older were enrolled and determined ankle-brachial index (ABI) and brachial-ankle pulse wave velocity (baPWV) in 15 Class III Grade A hospitals in 7 major cities of China. Results Mean patient age was 63.7±8.2 years and mean duration of diabetes mellitus was 9.39±7.4 years. Two hundreds and seventy-two (19.47%) patients were diagnosed as PAD by ABI <0.9, 122 (18.37%) in male and 150 (20.46%) in female. PAD patients had a significantly longer duration of diabetes mellitus, higher hemoglobin Alc, and a significantly lower mean body mass index than non-PAD ones. Aging, smoking, and systolic blood pressure were found to be positively related with the prevalence of PAD. In terms of lipid profiles, no variable was found to relate with PAD. Notably, baPWV showed as the same significant guiding index for PAD, almost matched with ABI. Conclusions PAD is a common complication in China type 2 diabetic patients. Therefore, PAD screening and treatment should be emphasized for diabetic patients with high risk factors. 展开更多
关键词 peripheral arterial disease risk factor diabetes mellitus
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