在非动脉瘤下关节出血患者的连续非对比CT扫描中出血模式的变化
René van den Berg1, Wouter Dronkers2, Olvert Berkhemer1
1Amsterdam University Medical Centers, Location AMC, Department of Radiology and Nuclear Medicine, Amsterdam, the Netherlands.
Brain & spine
|September 29, 2025
概括
周周脑下关节出血 (PMSAH) 的诊断通常在72小时内进行. 血液分布变化更多地观察到非周周脑脑下arachnoid出血 (NPSAH),但没有改变诊断.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 紧急医疗 紧急医疗
背景情况:
- 周周脑下关节出血 (PMSAH) 诊断依赖于在72小时内特定的血液分布模式.
- 支持这一时间窗口的证据有限,因为血液分布可能随着时间的推移而改变.
研究的目的:
- 在72小时内通过CT扫描分析水和心室内血图的变化.
- 评估血液再分配在PMSAH和非perimesencephalic亚脑下垂体出血 (NPSAH) 的诊断影响.
主要方法:
- 追溯分析135名患者 (62名PMSAH,73名NPSAH) 在72小时内至少进行两次NCCT.
- 三名观察员对水槽和心室内血液分布和变化的独立评估.
主要成果:
- 在72小时内,47%的患者的血液分布保持不变 (61%的PMSAH和39%的NPSAH).
- 在NPSAH患者中,在前6小时内更频繁地观察到血液再分配 (增加或减少).
- 由于血液再分配,没有病例显示诊断发生变化 (PMSAH转为NPSAH或反之).
结论:
- 在72小时内,水和心室内血的再分配在NPSAH中比PMSAH更频繁.
- 尽管有重新分配,但PMSAH的特定诊断在观察到的时间框架内没有改变.
更多相关视频
10:41Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound
Published on: June 3, 2021
4.1K
06:30Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging MRI
Published on: December 16, 2021
4.4K
相关概念视频
Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
