心血管磁共振(cardiovascular magnetic resonance, CMR)具有无创、无辐射、多参数成像的优势,能够实现对心脏形态、功能和组织学信息的“一站式”评估,在心血管疾病的精准医疗中发挥着无可替代的重要作用。2023年CMR研究取得了长足的进...心血管磁共振(cardiovascular magnetic resonance, CMR)具有无创、无辐射、多参数成像的优势,能够实现对心脏形态、功能和组织学信息的“一站式”评估,在心血管疾病的精准医疗中发挥着无可替代的重要作用。2023年CMR研究取得了长足的进展:组织特征成像、心肌应变分析等技术不断推陈出新,探索更多临床适应证,并逐步完成标准化应用转化;非缺血性心脏病、缺血性心脏病等领域的CMR应用在新版指南中备受重视,且优质循证证据不断涌现,鼓励其更多地参与到心血管临床管理之中。本文将从技术和临床应用两方面系统性回顾其中代表性成果,以期为现阶段医疗实践提供实时有效的指导。展开更多
自20世纪80年代以来,心脏磁共振(cardiac magnetic resonance,CMR)全面应用于临床,并成为心脏疾病检查的重要方法,为疾病的诊疗提供了巨大的临床参考价值,并广泛用于先天性发育异常、血管性疾病、心肌病、良恶性肿瘤等的发现和诊断[1-3...自20世纪80年代以来,心脏磁共振(cardiac magnetic resonance,CMR)全面应用于临床,并成为心脏疾病检查的重要方法,为疾病的诊疗提供了巨大的临床参考价值,并广泛用于先天性发育异常、血管性疾病、心肌病、良恶性肿瘤等的发现和诊断[1-3]。与其他成像技术比较,MRI检查具有无创、无辐射损伤、高软组织分辨率及多角度成像的特点,能够早期发现病变的大小和范围,且定性诊断准确率高[4]。2017-2018年国内CMR研究取得了新的进展,本文对其中重要的结果进行总结。展开更多
Objective To observe the clinical application value of total free-breathing cardiac MR(CMR)examination preliminarily.Methods Two patients who underwent CMR scanning under free-breathing state,including cine,motion cor...Objective To observe the clinical application value of total free-breathing cardiac MR(CMR)examination preliminarily.Methods Two patients who underwent CMR scanning under free-breathing state,including cine,motion correction T1 and T2 mapping,blood flow imaging,and late gadolinium enhancement scanning were retrospectively enrolled,and the qualities of the above images were evaluated and compared with that of conventional CMR images under breath-holding state.Results No significant difference of imaging quality was found between total free-breathing and conventional breath-holding CMR.The differences of left ventricular ejection fraction,cardiac output,left ventricular end-diastolic volume index and left ventricular mass measured based on CMR images under different breath conditions were limited.Conclusion Total free-breathing CMR was feasible in clinical practice,which could provide"one-stop"evaluation of cardiac structure,function and myocardial histological characteristics,hence having promising clinical prospects.展开更多
文摘心血管磁共振(cardiovascular magnetic resonance, CMR)具有无创、无辐射、多参数成像的优势,能够实现对心脏形态、功能和组织学信息的“一站式”评估,在心血管疾病的精准医疗中发挥着无可替代的重要作用。2023年CMR研究取得了长足的进展:组织特征成像、心肌应变分析等技术不断推陈出新,探索更多临床适应证,并逐步完成标准化应用转化;非缺血性心脏病、缺血性心脏病等领域的CMR应用在新版指南中备受重视,且优质循证证据不断涌现,鼓励其更多地参与到心血管临床管理之中。本文将从技术和临床应用两方面系统性回顾其中代表性成果,以期为现阶段医疗实践提供实时有效的指导。
文摘自20世纪80年代以来,心脏磁共振(cardiac magnetic resonance,CMR)全面应用于临床,并成为心脏疾病检查的重要方法,为疾病的诊疗提供了巨大的临床参考价值,并广泛用于先天性发育异常、血管性疾病、心肌病、良恶性肿瘤等的发现和诊断[1-3]。与其他成像技术比较,MRI检查具有无创、无辐射损伤、高软组织分辨率及多角度成像的特点,能够早期发现病变的大小和范围,且定性诊断准确率高[4]。2017-2018年国内CMR研究取得了新的进展,本文对其中重要的结果进行总结。
文摘Objective To observe the clinical application value of total free-breathing cardiac MR(CMR)examination preliminarily.Methods Two patients who underwent CMR scanning under free-breathing state,including cine,motion correction T1 and T2 mapping,blood flow imaging,and late gadolinium enhancement scanning were retrospectively enrolled,and the qualities of the above images were evaluated and compared with that of conventional CMR images under breath-holding state.Results No significant difference of imaging quality was found between total free-breathing and conventional breath-holding CMR.The differences of left ventricular ejection fraction,cardiac output,left ventricular end-diastolic volume index and left ventricular mass measured based on CMR images under different breath conditions were limited.Conclusion Total free-breathing CMR was feasible in clinical practice,which could provide"one-stop"evaluation of cardiac structure,function and myocardial histological characteristics,hence having promising clinical prospects.
