对左心室非紧缩形态的成像方法的比较
Márton Horváth1, Dorottya Kiss1, István Márkusz2
1Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary.
Journal of imaging
|June 25, 2025
概括
心声扫描显示,对非紧缩的左心室体积 (LVNC) 有适度的一致性,但与CMR相比,对应变参数的相关性较差. 体积测量跟踪可能是可行的,但应变测量是不可互换的.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 心血管研究研究心血管研究
背景情况:
- 左心室非紧缩 (LVNC) 呈现出过度的轨道运动,可能会损害左心室功能.
- 心脏磁共振成像 (CMR) 是 LV 形态学的黄金标准,但最佳后续成像尚不清楚.
研究的目的:
- 为了在LVNC患者和健康对照中比较二维跨胸腔心声学 (2D_TTE),三维跨胸腔心声学 (3D_TTE) 和CMR之间的体积和应变参数.
- 评估这些成像方法之间的相关性和一致性,以评估左心室功能.
主要方法:
- 38名LVNC患者和34名健康对照人接受了2D_TTE,3D_TTE和CMR.
- 分析了索引的终端透析/终端静态/中风体积,喷射分数和全球纵向/周围应变.
- 用皮尔森相关性和布兰德-阿尔特曼分析来比较成像方式.
主要成果:
- 在健康个体中,体积参数显示出强烈的相关性和跨模式的良好一致性,特别是在3D_TTE和CMR之间.
- 在LVNC患者中,对体积参数的一致性是中等的,对菌株参数的相关性较低,错误率较高.
- 功能性 (菌株) 数据显示,在两组中,不同模式之间的相关性很弱或不存在.
结论:
- 心声学 (2D_TTE和3D_TTE) 可能适合在基线CMR后对LVNC进行体积随访.
- 应变参数在LVNC中的心声回声和CMR之间是不可互换的,原因是带干扰.
- 需要进行进一步的研究,以验证在心脏中超曲率的模式特异性应变评估.
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