不同心脏成像评价心房颤动患者左心耳功能的意义  

The significance of using various cardiac imaging to assess the function of left atrial appendage in patients with atrial fibrillation

作　　者：郑丽丽[1] 吕航[1] 刘慧[1] 韩薇[1,2] 

机构地区：[1]哈尔滨医科大学附属第一医院心脏彩超室,哈尔滨150001 [2]哈尔滨医科大学附属第一医院心内科

出　　处：《临床心血管病杂志》2015年第7期704-707,共4页Journal of Clinical Cardiology

摘　　要：左心耳(LAA)是心房颤动患者血栓形成的最主要的位置。目前认为超声心动图,特别是经食管超声心动图是评估LAA自发显影和血栓形成的金标准。心脏CT是一种精确的非侵入性的检查方法。心脏磁共振具有非侵入性、无辐射以及无需碘化的优势。心脏CT和磁共振最大的特点就是在操作过程中不会给患者带来不适感,或许在未来可以替代经食管超声心动图评估LAA内自发显影和血栓形成。本文主要阐述LAA血流淤滞和血栓形成的临床意义、各种心脏成像对其功能的评估以及对心脏CT和磁共振未来发展的展望。The left atrial appendage（LAA）is the main location of thrombus formation,predorminantly in patients with AF.The current gold-standard method for the assessment of spontaneous echocardiographic contrast（SEC）and thrombus formation in the LAA is echocardiography,particularly transoesophageal echocardiography（TEE）.Cardiac CT（CCT）is an accurate,noninvasive method of detection.Cardiac MRI（CMR）has advantages such as being non-invasive,nonradioactive and requires no iodinated contrast.The discomfort free operation experience is the biggest feature of CCT and CMR.Perhaps CCT and CMR assessment of SEC and thrombus formation will replace TEE in the future.This paper focuses on the describion of the clinical implication of LAA blood stasis and LAA thrombosis formation,the assessment of the functionality of LAA with various cardiac imaging modalities,and the prospects of CCT and CMR in the future.

关 键 词：左心耳 自发显影 血栓 超声心动图 

分 类 号：R541.7[医药卫生—心血管疾病]