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在急性中风和非急性中风之间,中脑动脉狭窄中的斑块曲率的差异

Danfeng Zhang1, Bin Jiang2, Tongxing Wang1

  • 1Department of Radiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.

Quantitative imaging in medicine and surgery
|February 25, 2025
PubMed
概括

中脑动脉 (MCA) 动脉样硬化的斑块曲率增加与中风风险更高有关. 高分辨率MRI可以通过分析斑块特征来帮助识别有症状的患者.

关键词:
斑块曲率的曲率是什么中间大脑动脉 (MCA)一次性中风中风中风中风中风传统参数是传统的参数.

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A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
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Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
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An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
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