全球和区域左心室扩张功能与色彩运动的定量评估
P Vignon1, V Mor-Avi, L Weinert
1Department of Medicine, The University of Chicago Medical Center, Ill 60637, USA.
Circulation
|April 8, 1998
概括
彩色运动回声心脏学量化左心室 (LV) 填充,识别腹功能障碍和异步,即使多普勒指数看起来正常. 这种新技术揭示了高缩和冠状动脉疾病中微妙的墙壁运动异常.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 身体生理学 身体生理学
背景情况:
- 扩张壁运动异步损害左心室 (LV) 填充在集中性缩和冠状动脉疾病.
- 传统的心声回声学在评估这些微妙的扩张性功能障碍方面存在局限性.
研究的目的:
- 评估颜色运动,一种新的心声回声技术,用于定量评估全球和区域LV填充特性.
- 确定其识别透支功能障碍和墙壁运动异步的能力.
主要方法:
- 获得的色彩运动和多普勒数据在29名LV缩患者和29名对照患者中.
- 与15名患者的冠状动脉血管学相关的色彩运动发现.
- 进行了色彩运动的细分分析,以获得区域透析分数面积变化直径图.
主要成果:
- 彩色动力学在患有 LV 缩和冠状动脉疾病的患者中确定了透气内心运动异步.
- 多普勒指数未能从对照组中区分一些正常化个人资料的患者.
- 降低的峰值1/峰值2比率和延长的平均填充时间表明心房对LV填充的贡献增加 (P<.05).
- 在大多数LV缩和所有冠状动脉疾病患者中观察到延迟的透静运动.
结论:
- 彩色运动成像提供客观的全球和区域LV填充评估.
- 这种技术可以识别正常多普勒指数的患者的透缩功能障碍.
- 彩色动力学有效地检测LV墙壁运动异步.
相关概念视频
Imaging Studies for Cardiovascular System I:Echocardiography
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
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 diagnosing...
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 diagnosing...
Imaging Studies for Cardiovascular System IV: CMRI
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Mitral Stenosis II: Clinical features and Diagnostic Tests
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...


