Quantitative assessment of myocardial work in patients undergoing percutaneous coronary intervention by non-invasive left ventricular pressure-strain loop

ZHANG Pengying; XUE Ting; CHEN Yun’an; REN Fei; YUAN Chunmiao; YU Ming; ZHAO Jing; ZHANG Jie

doi:10.16245/j.cnki.issn1008-6978.2021.05.006

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Quantitative assessment of myocardial work in patients undergoing percutaneous coronary intervention by non-invasive left ventricular pressure-strain loop

更新时间：2021-10-08

- Quantitative assessment of myocardial work in patients undergoing percutaneous coronary intervention by non-invasive left ventricular pressure-strain loop
- Journal of Clinical Ultrasound in Medicine Vol. 23, Issue 5, Pages: 337-341(2021)
- 作者机构：
  
  1. 徐州医科大学附属连云港医院超声科
  2. 徐州医科大学附属连云港医院心血管内科
  3. 连云港市第一人民医院灌南院区超声科
- 作者简介：
- 基金信息：
- DOI：10.16245/j.cnki.issn1008-6978.2021.05.006
  CLC： R445.1;R541.4
- Published：2021，
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[1]张鹏英,薛婷,陈允安,任斐,袁春苗,于明,赵静,张洁.无创左室压力-应变环定量评估经皮冠状动脉介入治疗患者心肌做功情况[J].临床超声医学杂志,2021,23(05):337-341.

ZHANG Pengying, XUE Ting, CHEN Yun’an, et al. Quantitative assessment of myocardial work in patients undergoing percutaneous coronary intervention by non-invasive left ventricular pressure-strain loop. [J]. Journal of Clinical Ultrasound in Medicine 23(5):337-341(2021)
[1]张鹏英,薛婷,陈允安,任斐,袁春苗,于明,赵静,张洁.无创左室压力-应变环定量评估经皮冠状动脉介入治疗患者心肌做功情况[J].临床超声医学杂志,2021,23(05):337-341. DOI： 10.16245/j.cnki.issn1008-6978.2021.05.006.

ZHANG Pengying, XUE Ting, CHEN Yun’an, et al. Quantitative assessment of myocardial work in patients undergoing percutaneous coronary intervention by non-invasive left ventricular pressure-strain loop. [J]. Journal of Clinical Ultrasound in Medicine 23(5):337-341(2021) DOI： 10.16245/j.cnki.issn1008-6978.2021.05.006.

摘要

目的探讨无创左室压力-应变环（LV-PSL）定量评估冠状动脉粥样硬化性心脏病（CAD）患者经皮冠状动脉介入治疗（PCI）前后心肌做功的应用价值。方法前瞻性选取在我院择期行PCI的CAD患者30例（病例组）和同期健康体检者30例（对照组）

应用改良双平面Simpson法测量两组左室舒张末期容积（LVEDV）、左室收缩末期容积（LVESV）及左室射血分数（LVEF）

于二维斑点追踪超声心动图（2D-STE）心肌自动功能成像模式下评估左室整体纵向应变（GLS）

无创LV-PSL评估左室整体做功指数（GWI）、整体有效做功（GCW）、整体无效做功（GWW）和整体做功效率（GWE）

比较对照组与病例组PCI术前、术后3 d各参数差异;分析GWI、GCW、GWW、GWE与LVEF和GLS的相关性。结果与对照组比较

病例组PCI术前、术后3 d LVEDV、LVESV、GWW均明显升高

LVEF、GLS、GWI、GCW、GWE均明显降低

差异均有统计学意义（均P<0.05）;与病例组PCI术前比较

术后3 d GWW明显降低

GWE明显升高

差异均有统计学意义（均P<0.05）

而LVEDV、LVESV、LVEF、GLS、GWI、GCW均无明显变化。GWI、GCW、GWW、GWE与LVEF和GLS均显著相关（均P=0.00）。结论无创LV-PSL技术可定量评估CAD患者PCI前后左室心肌做功

为准确评价CAD对心肌功能的影响

以及PCI术后短期内心肌功能的恢复效果提供了一种新方法。

Abstract

ObjectiveTo explore the application value of non-invasive left ventricular pressure-strain loop（LV-PSL）in quantitative assessment of myocardial work before and after percutaneous coronary intervention（PCI）in patients with coronary artery disease（CAD）.MethodsThirty CAD patients（case group）who underwent PCI in our hospital and 30 healthy subjects（control group）were prospectively selected.The left ventricular end-diastolic volume（LVEDV）

left ventricular endsystolic volume（LVESV）and left ventricular ejection fraction（LVEF）were calculated by modified biplane Simpson method.The left ventricular global longitudinal strain（GLS）was measured by the two-dimensional speckle tracking echocardiography（2D-STE） myocardial automated functional imaging.The left ventricular global myocardial work index（GWI）

global myocardial constructive work（GCW）

global myocardial wasted work（GWW）and global myocardial work efficiency（GWE）were assessed by non-invasive LV-PSL.The differences of those parameters were compared between the control group and the case group before and 3 d after surgery.And the correlations of GWI

GCW

GWW

GWE with LVEF and GLS were analyzed.ResultsCompared with the control group

the LVEDV

LVESV and GWW of the case group were significantly increased before and 3 d after PCI

and the LVEF

GLS

GWI

GCW and GWE were significantly decreased

and the differences were statistically significant（all P<0.05）.And compared with the case group before PCI

GWW was significantly decreased and GWE was significantly increased 3 d after PCI

and the differences were statistically significant（both P<0.05）

while the LVEDV

LVESV

LVEF

GLS

GWI and GCW had no significant changes.GWI

GCW

GWW

GWE were significantly correlated with LVEF and GLS（all P=0.00）.ConclusionNon-invasive LV-PSL technology can be used to quantitatively evaluate left ventricular myocardial work in CAD patients before and after PCI

and provide a new method to accurately evaluate the effect of CAD on myocardial function and the recovery effect of myocardial function in the short term post-PCI.

关键词

左室压力-应变环心肌做功冠状动脉粥样硬化性心脏病经皮冠状动脉介入治疗

Keywords

Left ventricular pressure-strain loopMyocardial workCoronary artery diseasePercutaneouscoronary intervention

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