快速三维心声回声学:用于精确和准确地测量左心室体积的临床可行的替代方案
M Belohlavek1, K Tanabe, D Jakrapanichakul
1Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, USA.
Circulation
|June 20, 2001
概括
快速3D心声回声学提供了一种快速而精确的方法来评估左心室体积. 这种新技术使用6秒的获取时间,使其在临床上可用于例行检查.
科学领域:
- 心血管成像 - 心血管成像
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 医疗技术 医疗技术 医学技术
背景情况:
- 传统的3D心声回声学由于采集和处理时间长而受到限制.
- 开发了一种新的快速 (6秒) 采集技术,使用内部旋转的胸前传感器.
- 这项技术收集用于3D成像的角断层扫描图.
研究的目的:
- 为了检查快速获取3D心声回声学的临床可行性.
- 为了估计左心室的终端透缩和终端静缩体积.
- 以电子束计算机断层扫描作为参考标准来比较结果.
主要方法:
- 在11名患者中收集了6-11个角回声心电图.
- 使用连续内部旋转的胸前传感器.
- 获取时间很快,为6秒.
主要成果:
- 快速3D回声心脏学和电子束计算断层扫描之间的良好的相关性被证明为LVEDV (r=0.96) 和LVESV (r=0.96).
- 在体积测量中显示出较低的变化和偏差.
- 测量包括左心室末端透缩体积 (LVEDV) 和左心室末端透缩体积 (LVESV).
结论:
- 快速获取3D心声回声是一种精确且临床上可行的工具,用于评估左心室体积.
- 6秒的获取时间允许在临床检查期间重复测量.
- 为了快速和自动化数据处理,需要进一步的研究.
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