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Interaction between the left ventricular ejection fraction and left ventricular strain and its relationship with coronary stenosis

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World Journal of Clinical Cases 2023年第10期11卷 2246-2253页

作者： Hai-Yan Gui Shu-Wen Liu Dong-Fang Zhu MRI Room Harbin No.4 HospitalHarbin 150026Heilongjiang ProvinceChina Department of Cardiology Harbin No.4 HospitalHarbin 150026Heilongjiang ProvinceChina

BACKGROUND Coronary artery stenosis(CAS)is the most common type of heart disease and the leading cause of death in both men and women *** occurs when the arteries that supply blood to the heart muscle harden and become narrower due to plaque buildup-cholesterol and other material-on their inner *** a result,the heart muscle cannot receive the blood or oxygen it *** heart attacks happen when a blood clot suddenly cuts off the hearts'blood supply,causing permanent heart *** To analyze the relationship between the left ventricular ejection fraction(LVEF),left ventricular strain(LVS),and coronary *** A total of 190 participants were enrolled in this *** control group comprised 93 healthy individuals,and observation group comprised 97 patients with coronary heart disease who were hospitalized between July 2020 and September *** lesions were assessed using the Gensini score,and the LVEF and LVS were measured using magnetic resonance imaging(MRI).The interaction between the LVEF and LVS was examined using a linear regression *** relationship between LVEF and coronary stenosis was examined using Spearman’s *** The LVEF of the observation group was lower than that of the control *** left ventricular end-systolic volume(LVESV)and left ventricular end-diastolic volume(LVEDV)of the observation group were significantly higher than those of the control group(P<0.05).The longitudinal and circumferential strains(LS,CS)of the observation group were significantly higher than those of the control group;however,the radial strain(RS)of the observation group was significantly lower than that of the control group(P<0.05).LVS,LS,and CS were significantly negatively correlated with the LVEF,and RS was positively correlated with the *** were significant differences in the LVEF,LVESV,and LVEDV of patients with different Gensini scores;the LVEF significantly decreased and the LVESV and LVEDV increased w

关键词： Magnetic resonance imaging left ventricular ejection fraction left ventricular strain Coronary stenosis left ventricular end-diastolic volume left ventricular end-systolic volume

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