T2 mapping在心肌梗死后心肌水肿检测中的应用以及与血清肌酸激酶间的相关性分析

被引:14
作者
安东敖蕾 [1 ]
吴连明 [1 ]
葛恒 [2 ]
何奔 [2 ]
路青 [1 ]
胡伽尼 [3 ]
丁海燕 [4 ]
许建荣 [1 ]
机构
[1] 上海交通大学医学院附属仁济医院放射科
[2] 上海交通大学医学院附属仁济医院心内科
[3] 美国底特律韦恩州立大学放射科
[4] 清华大学医学院生物医学影像研究中心
关键词
T2 mapping; 急性心肌梗死; 肌酸激酶; 心脏磁共振;
D O I
暂无
中图分类号
R445.2 [核磁共振成像]; R542.22 [];
学科分类号
100231 [临床病理学];
摘要
目的探讨定量T2 mapping在心肌梗死后心肌水肿评估中的应用价值,并对T2值、心肌水肿面积及生化指标肌酸激酶峰值进行相关性分析。方法回顾性分析心肌梗死再灌注治疗后患者共30例,并于患者冠状动脉介入治疗(PCI)术后2~7 d内对其进行心脏磁共振扫描(CMR)。图像采集完成后,测算并记录心肌梗死后水肿区域及远侧正常心肌的T2值与水肿面积,最后对梗死后水肿区域和远侧心肌T2值进行比较。并将患者血清肌酸激酶与T2 mapping中所测算的T2值及水肿面积分别进行相关性分析。结果 1心肌梗死后水肿区域T2信号显著高于远侧正常心肌,T2值分别为(59.18±4.23)ms及(43.35±2.11)ms(P=0.013)。2通过T2 mapping测算所得的心肌水肿区域面积与血清肌酸激酶峰值指标呈正相关(r=0.82,P=0.000)。3水肿区域T2值与血清肌酸激酶峰值间相关性欠佳(r=0.475,P=0.054)。结论定量T2 mapping在急性心肌梗死后心肌水肿的评估中非常有价值,而急性心肌梗死后的心肌水肿面积对心肌损伤评估可能更为重要。
引用
收藏
页码:532 / 536
页数:5
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