优化对比方案用于正常犬体内内动脉的骨抽取CT血管学,使用160片CT切片
Soyon An1, Gunha Hwang1, Rakhoon Kim1
1Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea.
Veterinary medicine and science
|September 28, 2023
概括
对于狗的骨抽取计算机断层扫描血管学 (BSCTA) 的最佳对比方案涉及使用高度 (370 mgI/mL) 和快速注射速率 (4 mL/s) 进行高级内动脉可视化.
科学领域:
- 兽医辐射学 兽医辐射学
- 医疗成像医学成像
- 比较解剖学的比较解剖学
背景情况:
- 骨抽取计算机断层扫描血管学 (BSCTA) 增强了由骨和化遮蔽的内动脉的可视化.
- 狗内动脉中BSCTA的最佳对比方案需要进一步定义.
研究的目的:
- 确定最佳的对比介质协议用于使用自动骨抽取CT血管学 (BSCTA) 的犬类内动脉可视化.
主要方法:
- 9只健康的比格尔犬每只接受4次脑CTA,对比度度 (300比370毫克/毫升) 和注射速率 (2比4毫升/秒) 不同.
- 通过从对比度增强的CT数据中减去非增强CT数据来进行自动骨移除.
- 内血管的数量评估 (CT减弱) 和质量评估 (视觉评估得分).
主要成果:
- 与较低度和速率 (p < 0.001) 相比,在4mL/s注射速率下370 mgI/mL度下观察到较高的CT衰减值 (p < 0.001).
- 定性评估显示,370 mgI/mL组和4 mL/s注射速率组的得分明显更高 (p <0.05).
结论:
- 建议使用高度 (370 mgI/mL) 和高注射速率 (4 mL/s),以获得最佳的犬内动脉BSCTA.
- 该方案增强了动脉衰减,并改善了对狗的内动脉结构的可视化.
关键词:
骨减去 骨减去 骨减去计算机断层扫描 (CT) 是一种计算机断层扫描.对比媒介是对比媒介.狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗狗内动脉是一种内动脉.更多相关视频
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