Quantitative Evaluating of the Left Ventricular Muscle Function before and after PCI in Patients with Coronary Heart Disease by 2D-STI

doi:10.7517/issn.1674-0475.200518

Abstract

Abstract: To investigate the application value of 2D-STI in evaluating the left ventricular muscle function before and after PCI in patients with coronary heart disease, fifty patients with coronary heart disease (PCI group) who underwent PCI successfully were selected as PCI group, fifty healthy patients were taken as control group. The ultrasound indicators, 2D-STI parameters were compared in the two groups. The results showed, compared with the control group, the preoperative A peak elevated (P<0.05), E/A value and LVEF in the PCI group reduced (P<0.05).In the PCI group,LVEF postoperative and E/A at 60 d,180 d after surgery was higher than that before surgery (P<0.05), and LVEF at 180 d after surgery was higher than that at 30 d after surgery (P<0.05). The levels of GLS, GRS and GCS before surgery in the PCI group were lower than those in the control group (P<0.05), and the levels of GLS, GRS and GCS after surgery were higher than those before surgery (P<0.05), GRS and GCS were further increased at 180 d after surgery compared with 30 d after surgery (P<0.05).The levels of GLS, GRS and GCS in the PCI group were lower than those in the control group at each time point after surgery (P<0.05). GLS and GCS were negatively correlated with LVEF (P<0.05), while GRS was positively correlated with LVEF (P<0.05). The results indicated that 2D-STI can be used to evaluate left ventricular myocardial function after interventional treatment of coronary heart disease.

Key words: two-dimensional strain, speckle tracking imaging, echocardiography, coronary heart disease, percutaneous coronary intervention, left ventricular myocardial function

DAI Yanyan, YANG Xiuling, LIANG Suozhu, WANG Jianshuang. Quantitative Evaluating of the Left Ventricular Muscle Function before and after PCI in Patients with Coronary Heart Disease by 2D-STI[J]. Imaging Science and Photochemistry, 2020, 38(6): 1065-1069.

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