相关实验视频
Updated: Jul 14, 2026

08:51
A New Murine Model of Endovascular Aortic Aneurysm Repair
Published on: July 7, 2013
14.5K
脑内动脉瘤破裂的内血管栓塞:疗效和对氧化应激水平的影响
Sheng Yang1, Shanwu Wu1, Guang Ouyang2
1Department of Neurosurgery, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan , Hubei Province, 442000, China.
Perioperative medicine (London, England)
|September 2, 2025
概括
在破裂的内动脉瘤 (RIA) 中,内血管栓塞比动脉瘤剪切更有效. 在RIA患者中,这种治疗可以改善神经功能,减少氧化应激,减少血管内皮损伤.
科学领域:
- 神经外科
- 血管外科
- 干预性放射学
背景情况:
- 破裂的内动脉瘤 (RIA) 具有显著的再次出血和不良的神经结果的风险.
- 传统的切割手术有其局限性,
- 内血管技术提供了一种不那么侵入性的方法来管理复杂的血管病理.
研究的目的:
- 在治疗RIA患者中,比较血管内栓塞与传统动脉瘤切割的疗效.
- 评估每种治疗方式对神经功能,氧化应激和血管内皮功能的影响.
- 评估手术结果的差异,包括手术时间,出血和并发症率.
主要方法:
- 一项涉及89名RIA患者的比较研究,分为观察组 (内血管栓塞,n=47) 和对照组 (动脉瘤剪切,n=42).
- 使用国家卫生研究院中风量表 (NIHSS) 评估治疗前后的神经功能.
- 测量了氧化应激标志物 (SOD,MDA) 和血管内皮功能标志物 (vWF,ET-1,NO).
- 记录了手术内出血,手术时间,住院时间,术后并发症和整体治疗效果.
主要成果:
- 与剪切组相比,内血管栓塞组的NIHSS得分明显较低,SOD水平较高,MDA水平较低 (P < 0. 001).
- 血管内栓塞导致手术内出血减少,手术和住院时间缩短,血管内皮功能标志物改善 (vWF和ET-1较低,NO较高;P< 0. 001).
- 术后并发症的发生率和整体治疗效果在血管内栓塞组显著改善 (分别为P=0. 048和P=0. 041).
结论:
- 与微观动脉瘤剪切相比,内血管栓塞在治疗破裂的内动脉瘤方面表现出更高的疗效.
- 这种微创方法可以改善神经恢复和减少全身炎症反应.
- 血管内栓塞与较少的血管内皮损伤和较低的术后并发症风险有关.
相关概念视频
Vascular Spasm
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...
Autoregulation of Blood Flow
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.

