上矢状窦及桥静脉的虚拟现实技术研究

被引:14
作者
李世清 [1 ]
宋增亮 [1 ]
赵琳 [2 ]
李军 [2 ]
张辉建 [2 ]
荆俊杰 [2 ]
王守森 [2 ]
机构
[1] 南昌市第三医院神经外科
[2] 福州, 南京军区福州总医院神经外科
关键词
上矢状窦; 脑膜瘤; 桥静脉; 虚拟现实技术;
D O I
暂无
中图分类号
R651.1 [颅脑];
学科分类号
100223 [神经外科学];
摘要
目的利用虚拟现实技术(VR)观测上矢状窦(SSS)及桥静脉(BrV)的形态特征, 并探讨其临床意义。方法选择南京军区福州总医院神经外科自2011年10月至2013年3月收治的43例上矢状窦旁脑膜瘤(PSM)患者(PSM组)及21例无颅内静脉系统病变的三叉神经痛或面肌痉挛患者(正常组)。VR环境下, 观测2组患者SSS及窦旁BrV的形态特征, 分析皮质静脉数量、直径在正常组双侧和SSS前、中、后1/3段间以及2组之间的差异。结果 2组患者中, 首次共观察到4例患者的SSS后部有形态变异。BrV注入SSS的方式以逆行最多, 主要集中在SSS的中、后1/3段;SSS前1/3段的BrV有多种注入SSS的方式, 以垂直方式最多。正常组皮质静脉的数量和直径, 在SSS双侧差异无统计学意义(P>0.05);皮质静脉数量在SSS前、中、后1/3段之间差异有统计学意义(P<0.05), 静脉直径差异无统计学意义(P>0.05)。PSM组的皮质静脉数量少于正常组, 直径也小于正常组, 差异均有统计学意义(P<0.05)。随着PSM的生长, SSS和皮质静脉受侵犯程逐渐加重, 影响静脉回流, 导致侧支静脉逐渐增多和变复杂。结论 SSS及BrV存在一定的变异性, BrV注入SSS的方式可能与颅内静脉系统的血流动力学有关。VR技术可以清晰、立体地观察SSS和皮质静脉, 解析PSM导致的静脉循环改变。
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