定量超声波组织特征与实时集成的反散射成像在正常人体和患有扩张性心肌病的患者
Z Vered1, B Barzilai, G A Mohr
1Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110.
Circulation
|November 1, 1987
概括
这项研究表明,定量超声波集成逆向散射器可以检测到人类心肌中的心脏周期依赖的变化. 这种技术对实时评估心肌健康和功能的有希望.
科学领域:
- 心血管超声波是什么意思
- 生物医学工程 生物医学工程
- 诊断成像 诊断成像 诊断成像
背景情况:
- 可以使用定量超声波集成逆向散射来评估心肌的物理性质.
- 在正常的心肌中观察到超声波逆射的心脏周期依赖的变化,但因缺血而改变.
研究的目的:
- 适应和验证定量超声波集成反向散射器用于人类心肌评估.
- 为了实时检测人心肌中的心脏周期依赖的变化.
主要方法:
- 开发了一种2D回声心脏图像系统,具有定量集成的背散射成像.
- 实现了自动增益补偿和持续数据采集.
- 从血液与组织中分化的超声波信号.
主要成果:
- 在人类中成功地用定量超声波集成反向散射器对心肌进行了表征.
- 在正常受试者中观察到集成后向散射的显著透过心态到心态变化.
- 在健康志愿者和患有扩张性心肌病的患者中证明了可行性.
结论:
- 定量超声波集成回散器适用于人类心肌.
- 该技术可以实时检测心肌组织中心脏周期依赖的变化.
- 这种方法有可能用于对心肌功能和疾病的非侵入性评估.
相关概念视频
01:17Imaging 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...
01:20Imaging 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...
01:24Imaging Studies II: Ultrasonography
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...