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Application of a combination of echocardiographic techniques in an experimental model of epirubicin-induced cardiotoxicity

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机构: [1]Department of Ultrasound, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei, China [2]Department of Ultrasound, Affiliated Hospital of Hebei University, Baoding 071000, Hebei, China [3]School of Basic Medical Sciences, Hebei Medical University, Shijiazhuang 050011, Hebei, China
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关键词: Epirubicin Cardiotoxicity Longitudinal strain Echocardiography Myocardial performance index

摘要:
This study compared the potential ability of multinomial echocardiographic parameters in early detection, prediction and combined diagnosis of antineoplastic-related cardiotoxicity. Male Balb/c mice were repeatedly administered with low doses of epirubicin (6 x 3 mg/kg; n = 20) to induce cardiac injury or with placebo as control (n = 10). Conventional and strain parameters as well as myocardial performance index (MPI) were analyzed at baseline, 1 day after the second, fourth and sixth cycle, and 12 days after completion of chemotherapy (as follow-up) by a high-resolution rodent ultrasound machine. After the experiment, serum cTnI levels were measured, and myocardial injury was evaluated by histological analyses. Thirteen mice developed cardiotoxicity after epirubicin exposure. Global longitudinal (GLS), radial strain (GRS) and longitudinal strain rate (LSR) were markedly decreased (all P <= 0.01) and MPI was increased (P <= 0.05) at the completion of treatment compared with baseline values. GLS expressed the best correlations with myocardial pathological injury, especially with collagen content (rho = - 0.68, P < 0.01). Additionally, GLS and MPI were associated with serum cTnI levels. A > 9.5% decrease in GLS from baseline to the fourth cycle of chemotherapy could predict future cardiotoxicity (odds ratio = 0.331, P < 0.05). GLS (cutoff value, - 15.16%) combined with MPI (cutoff value, 0.64) could improve the accuracy of diagnosing cardiotoxicity (sensitivity, 92%; specificity, 87%). GLS was the only predictor of cardiotoxicity. GLS combined with MPI may provide a noninvasive and accurate method for the early detection of cardiotoxicity.

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出版当年[2020]版:
大类 | 4 区 医学
小类 | 4 区 心脏和心血管系统 4 区 核医学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 心脏和心血管系统 4 区 核医学
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出版当年[2020]版:
Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2024]版:
Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子: 最新[2024版] 最新五年平均 出版当年[2020版] 出版当年五年平均 出版前一年[2019版] 出版后一年[2021版]

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第一作者机构: [1]Department of Ultrasound, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei, China [2]Department of Ultrasound, Affiliated Hospital of Hebei University, Baoding 071000, Hebei, China
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通讯机构: [1]Department of Ultrasound, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei, China
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