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复杂心室解剖学的高级三维外科规划,用于大动脉的转移
Lama Dakik1, Hani Najm1, Ryan Klatte2
1Department of Pediatrics, Pediatric Cardiology and Division of Pediatric Cardiac Surgery, Cleveland Clinic Children's, and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA.
Cardiology in the young
|August 26, 2025
概括
在患有D-TGA的婴儿中, 3D和4D心脏模型精确地绘制出复杂的腹腔隔膜缺陷. 这种方法指导了最佳的手术修复,避免了不必要的干预,并确保了缺陷的成功关闭.
科学领域:
- 遗传性心脏病
- 心血管成像
- 手术规划
背景情况:
- 多重大心室隔膜缺陷 (VSDs) 的大动脉 (D-TGA) 的右侧转移带来了复杂的手术挑战.
- 之前的缓解手术可能会影响后续的手术策略.
- 准确的解剖划分对于计划复杂的先天性心脏缺陷修复至关重要.
研究的目的:
- 使用4D CTA的3D打印和4D建模,精确地描述D-TGA的新生儿复杂的VSD解剖.
- 引导手术规划完成静脉关闭和动脉开关操作.
- 通过4D建模评估心脏周期中的VSD动态变化.
主要方法:
- 采用4D计算机断层扫描 (CTA) 进行详细的心脏可视化.
- 对心脏结构进行细分,以创建患者特有的腹和心阶段的3D模型.
- 打印1x和1.5x尺寸的3D心脏模型用于外科模拟和规划.
- 使用3D和4D模型从两个心室的角度对所有VSD进行手术前评估.
主要成果:
- 4D CTA检测出一个大外膜出口VSD和一个大"瑞士奶酪"肌肉VSD.
- 3D 模型显示在静脉缩期间近乎消灭的静脉缩肌肉.
- 手术修复包括用牛心周关闭多个VSD,并为周膜/入口缺陷单个贴片,节省导电组织.
- 证实上静脉关闭与心室收缩,避免需要右心室 (RV) 上排斥.
结论:
- 3D打印和4D心脏建模为D-TGA中的复杂VSD提供了宝贵的解剖洞察力.
- 这种先进的成像方法促进了最佳的手术规划,从而有效地关闭了VSD.
- 通过4D建模来可视化静脉动脉损伤的动态评估,可以防止不必要的手术步骤,比如RV上排除.
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