多模式成像在中枢脱落中节律失常风险的成像
Luca Cristin1, Lionel Tastet1, Dipan J Shah2
1Department of Medicine (Cardiovascular Division), University of California, San Francisco (L.C., L.T., F.N.D.).
mitra 门倒退 (MVP) 可以导致危险的心律失常. 多模式成像,包括心声回声和心脏MRI,通过检测纤维化和炎症等特征来帮助识别高风险患者. 复杂的心室外皮仍然是死亡率最强的预测因素.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 心脏电生理学 心脏电生理学
背景情况:
- mitra 门倒退 (MVP) 影响2-3%的人口,通常是良性的,但可能导致危及生命的心律失常.
- 识别患有突然心脏死亡风险的患者对于及时干预至关重要.
研究的目的:
- 审查多模式成像在心律不整的米特拉脱落风险分层中的作用.
- 要突出与心律失常风险增加相关的关键成像特征.
主要方法:
- 叶片形态的心声检查,状环状断层和反.
- 用于膜-心肌力学的斑点追踪.
- 心脏MRI (CMR) 用于心肌纤维化 (晚期加多增强,T1映射).
- 混合PET/CMR用于评估炎症和扩散性纤维化.
主要成果:
- 高风险的特征包括胆叶片的参与, mitra环状断层,双峰应变,机械分散和心肌纤维化.
- CMR和PET/CMR对检测纤维化和炎症有价值,特别是在缺乏经典风险因素的患者中.
- 为风险分层提出了一种综合算法,将临床,电生理学和成像数据结合起来.
结论:
- 多模式成像对于整体风险评估在心律不整的MVP中至关重要.
- 图像检测结果应与复杂的心室外皮相解释,这是最强大的死亡率预测指标.
- 需要进一步的前性研究来验证成像参数,并将其直接与死亡率联系起来.
更多相关视频
08:31A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
11:50High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
Published on: July 9, 2010
相关概念视频
Imaging Studies for Cardiovascular System II:Types of Echocardiography
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies for Cardiovascular System I:Echocardiography
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
