| 姬冰,袁建军.超声压力-应变环技术评估心肌做功研究进展[J].中国医学影像技术,2020,36(10):1579~1583 |
| 超声压力-应变环技术评估心肌做功研究进展 |
| Research progresses of ultrasonic pressure strain loops technique in evaluation of myocardial work |
| 投稿时间：2019-10-12 修订日期：2020-09-07 |
| DOI：10.13929/j.issn.1003-3289.2020.10.038 |
| 中文关键词: 心肌 超声心动描记术 斑点追踪 压力-应变环 |
| 英文关键词:myocardium echocardiography speckle tracking pressure strain loops |
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| 中文摘要: |
| 基于二维斑点追踪成像（2D-STI）的心肌分层应变技术可用于定量评估心肌功能，但具有负荷依赖性。超声压力-应变环（PSL）技术在分层应变技术基础上加入后负荷（血压）测量，可有效抑制负荷依赖性，定量分析整体和节段心肌做功。本文对PSL评估心肌做功研究进展进行综述。 |
| 英文摘要: |
| Based on 2D speckle tracking imaging (2D-STI), myocardium layer-specific strain can be used for quantitative assessment of myocardial function, but is load dependent. Added after-load (blood pressure) measurement to myocardium layer-specific strain, pressure strain loops (PSL) technique can effectively restrict load dependence and quantitatively analyze the work of whole and segmental myocardium. The research progresses of PSL in evaluation of myocardial work were reviewed in this article. |
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