一种新的二维回声心脏成像技术,用于评估阻塞性肺病患者的右心室大小和性能
Circulation
|September 1, 1982
概括
二维回声心脏图准确地评估了COPD患者的右心室大小和功能,与静止状态和酸盐给药后的放射性核素血管图进行了很好的比较.
科学领域:
- 心脏病学 心脏病学
- 肺部病理学 肺部病理学
- 医疗成像医学成像
背景情况:
- 慢性阻塞性肺病 (COPD) 通常会影响右心室 (RV) 功能.
- 准确评估VR大小和性能对于管理COPD患者至关重要.
- 二维回声心脏图 (2-D回声) 和放射性核素血管图 (RNA) 是评估RV功能的方法.
研究的目的:
- 为了比较RV大小和性能与RNA的二维回声心脏学估计.
- 为了评估异索二酸盐对两种方法测量的RV参数的影响.
- 为了确定在重症COPD患者中对VR评估的二维回声的可行性.
主要方法:
- 评估了19名患有严重COPD的患者.
- 使用二维回声和RNA测量了RV终端透缩体积,终端抽缩体积和射出分数 (EF).
- 测量是在静止状态下进行的,也是在异吸附二酸盐给药后进行的.
主要成果:
- 二维回声RV体积和EF与RNA测量有很好的相关性 (r=0.76-0.82对体积,r=0.80对EF).
- 异索二酸盐显著降低了RV体积和缩动脉压,并增加了心率,但通过这两种方法都没有显著改变RVEF.
- 在酸盐给药后,二维回声和RNA之间的相关性仍然很强 (r=0.75-0.79).
结论:
- 2D回声心脏成像是一种可行的方法,用于评估选择性COPD患者的RV大小和性能.
- 对RV大小和功能的二维回声测量与RNA相比较有利.
- 这些发现支持在COPD患者休息和酸盐后使用二维回声进行VR评估.
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...


