基于经食管超声心动图数据的左心耳3D打印模型准确性研究
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1.东莞市莞城医院;2.南方医科大学附属东莞医院

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东莞市社会发展科技项目(20221800901282)


Accuracy study of left atrial appendage 3D printing model based on transesophageal echocardiography
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1.Dongguan Guancheng Hospital;2.Department of Radiology,Dongguan Guancheng Hospital

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    摘要:

    目的:应用经食管超声心动图数据重建并打印左心耳3D模型并分析其准确性。方法:选取于医院就诊并接受三维经食管超声心动图(3D-TEE)及心脏增强CT检查的患者20例,对其3D-TEE 左心耳数据进行后处理并使用软质类橡胶材料打印3D实体模型,测量左心耳模型的开口长径、短径、深度并进行解剖分型评估,将其与3D-TEE、CT的结果进行对比。结果:3D模型组与3D-TEE组的左心耳开口长径、开口短径、深度差异均无统计学意义(均P >0.05),组间ICC分别为0.97、0.98、0.98;CT组的左心耳开口长径、开口短径、深度测值均大于3D-TEE组(均P <0.05),组间ICC分别0.91、0.88、0.90。3D模型组与CT组在左心耳评估形态、分叶差异均无统计学意义(均P >0.05);Kappa值分别为0.86、0.91(均P <0.05)。3D-TEE组与CT组在左心耳评估形态、分叶差异均无统计学意义(均P >0.05);Kappa值分别为0.71、0.81(均P <0.05)。结论:基于经食管超声数据左心耳3D打印模型的测量径线可准确还原其数据源;与3D-TEE相比,左心耳3D模型在评估形态及分叶方面与CT重建一致性更高。

    Abstract:

    Objective To analyse the accuracy of the left atrial appendage(LAA) 3D printing model based on the transesophageal echocardiography.Methods 3D-transesophageal echocardiography(3D-TEE) and contrast-enhanced cardiac CT were both performed on 20 patients. The 3D-TEE data of LAA were post-processed, and printed with soft rubber-like materials.The long axis and short axis of LAA ostium, and depth of LAA were measured and anatomical classification was evaluated.3D-TEE and CT were compared with the results of 3D printing model. Results Compared with the long axis,short axis and depth of LAA ostium measured in 3D-TEE group, the measurement in 3D printing model group had no significant difference(both P>0.05)(ICC:0.97,0.98,0.98), while CT group had larger measurement(both P<0.05)(ICC:0.91,0.88,0.90).3D printing model group and CT group had no significant difference in evaluating the shape and lobulation of LAA(both P>0.05),and the kappa values were 0.86,0.91(both P<0.05).Also 3D-TEE group and CT group had no significant difference in evaluating the shape and lobulation of LAA(both P>0.05),while the kappa values were 0.71,0.81(both P<0.05). Conclusion The measurment of LAA 3D printing model based on 3D-TEE can accurately restore its data.Compared with 3D-TEE, 3D printing model is more consistent with CT reconstruction while evaluation the morphology.

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张洁,谢玉环,余苏,陈珊珊,罗维远.基于经食管超声心动图数据的左心耳3D打印模型准确性研究[J].临床超声医学杂志,2023,25(11):

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  • 收稿日期:2023-02-20
  • 最后修改日期:2023-04-10
  • 录用日期:2023-04-20
  • 在线发布日期: 2023-12-01
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