心脏核磁共振延迟强化对心肌病心功能的诊断价值  

Diagnostic Values of Delayed Cardiac Magnetic Resonance Imaging for Cardiac Function in Patients with Cardiomyopathy

作　　者：杨丽 刘振华 张自力 敖锋 曾照军 徐俊 YANG Li;LIU Zhen-hua;ZHANG Zi-li(Department of Radiographic Center,Shiyan people's Hospital,Hubei University of Medicine,Shiyan 442000,Hubei Province,China)

机构地区：[1]十堰市人民医院(湖北医药学院附属人民医院)放射影像中心,湖北十堰442000

出　　处：《中国CT和MRI杂志》2020年第10期44-47,共4页Chinese Journal of CT and MRI

基　　金：2017年度湖北省教育厅科研计划项目(编号:B2017114)。

摘　　要：目的探讨心脏核磁共振(cardiovascular magnetic resonance,CMR)延迟强化对原发性扩张型心肌病(Idiopathic dilated cardiomyopathy,IDCM)心功能的诊断价值。方法研究时间为2015年2月到2018年5月,选择在我院心内科进行诊治的IDCM患者78例作为IDCM组,同期选择基础心律为窦性心律的健康志愿者44例作为对照组,所有入选者都给予CMR延迟强化检查,判断患者的心功能并进行一致性分析。结果 IDCM组的LVEDV与LVESV值高于对照组,LVEF值低于对照组,对比差异均有统计学意义(P<0.05)。IDCM组心肌组织的CS与LS值均显著高于对照组(P<0.05)。IDCM组的CMR延迟强化评分为(2.38±0.45)分,心肌存活率为57.7%;对照组的评分为(1.06±0.02)分,心肌存活率为100.0%,对比差异均有统计学意义(P<0.05)。在IDCM组中,一致性分析显示患者的CMR延迟强化评分与左心功能参数、心肌组织特征性追踪参数均具有很好的一致性,Kappa值为0.462和0.552(P<0.05)。结论 CMR延迟强化在IDCM患者中的应用能有效反应患者的左心功能与心肌组织的病变症状,在临床定量分析心功能时具有很高的应用价值。Objective To investigate the values of cardiac magnetic resonance(CMR)delayed enhancement in the diagnosis of cardiac function in patients with idiopathic dilated cardiomyopathy(IDCM).Methods From February 2015 to May 2018,78 patients with IDCM who underwent diagnosis and treatment in the Department of Cardiology of our hospital were selected as the IDCM group.44 healthy volunteers with sinus rhythm were selected as the control group.All cases were given CMR delayed intensive examination and were to determine the patient's cardiac function and were given consistency analysis.Results The LVEDV and LVESV values in the IDCM group were higher than those in the control group,and the LVEF values were lower than those in the control group(P<0.05).The CS and LS values of myocardial tissue in IDCM group were significantly higher than those in the control group(P<0.05).The CMR delayed enhancement score of the IDCM group were(2.38±0.45)points,and the myocardial survival rates were 57.7%.The score of the control group were(1.06±0.02)points,and the myocardial survival rates were 100.0%,compared the difference were statistically significant(P<0.05).In the IDCM group,the consistency analysis showed that the patient's CMR delayed enhancement scores were consistent with left heart function parameters and myocardial tissue characteristic tracking parameters,with the Kappa values were 0.462 and 0.552(P<0.05).Conclusion The application of CMR delayed enhancement in IDCM patients can effectively reflect the left heart function and myocardial tissue lesions of patients,and has high clinical values in quantitative analysis of cardiac function.

关 键 词：心脏核磁共振 延迟强化 原发性扩张型心肌病 心功能 

分 类 号：R445.2[医药卫生—影像医学与核医学] R541[医药卫生—诊断学]