通过三维静脉收缩面积量化在三维静脉突发症中腹的量化:衍生出的截止值和与二维多参数方法的比较
Giorgio Fiore1, Giacomo Ingallina1, Francesco Ancona1
1Unit of Cardiovascular Imaging, IRCCS San Raffaele Scientific Institute, Milan, Italy.
概括
这项研究验证了三维静脉收缩区域 (3D VCA) 以评估在膜缩 (MVP) 中的 mitra regurgitation (MR) 严重程度. 一个0.45厘米2的切线准确地识别了严重的MR,与其他方法相对应.
科学领域:
- 心血管成像 - 心血管成像
- 心声回声图 (Echocardiography) 是一种心声回声图.
- 膜心脏疾病 膜心脏疾病
背景情况:
- 在 mitra 透 (MVP) 中对 mitra 吐 (MR) 的心声分级具有挑战性.
- 三维静脉合并区域 (3D VCA) 是有前途的,但需要在MVP患者中进行验证.
- 关于MVP中MR严重性3DVCA切割值的数据有限.
研究的目的:
- 在MVP患者中使用3D彩色多普勒透食管心声谱 (TEE) 验证3D VCA.
- 在MVP中建立3D VCA切割值来对MR严重程度进行分级.
- 为了比较3D VCA与靠近位同速率表面积 (EROA-PISA) 的有效吐孔面积.
主要方法:
- 包括1,138名至少中度MR患者接受TEE.
- 测量了3D VCA并使用ROC曲线来确定严重MR的截止值与多参数参考.
- 在一个子组中,与3D反体积 (RV) 和3D分数相比,经过验证的3DVCA.
主要成果:
- 0.45厘米2的最佳3DVCA切线预测了具有高灵敏度 (0.90) 和特异性 (0.87) 的严重MR,AUC为0.95.
- 3D VCA与EROA-PISA (r=0.62) 和3D RV (r=0.56) 相对应良好.
- 3D VCA 截止值为 0.50 厘米2 预测的 EROA-PISA 为 0.40 厘米2; 0.45 厘米2 预测的 3D 分数> 50%.
结论:
- 建议0.45厘米2作为最优的3DVCA切线,用于定义MVP患者的严重MR.
- 这种切线表明与多参数参考标准和3D RV.强烈一致.
- 3D VCA 是一种验证的工具,用于评估MVP中的MR严重程度.
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