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Role of multiple cerebral microthrombosis in symptomatic cerebral vasospasm: with a case report
Abstract:
In our studies of the pathogenesis of cerebral vasospasm, we have been emphasizing that microthrombosis may play an important role in the induction of cerebral ischemic symptoms or cerebral infarction. In this report, multiple microthrombi are demonstrated histologically to be a major cause of cerebral infarction in the autopsied brain of a 63-year-old woman who died from typical cerebral vasospasm that occurred after the rupture of an anterior communicating artery aneurysm. We discuss the significance of thrombus formation and subarachnoid perivascular acidosis in vasospasm.
Insights
Microthrombosis, the formation of small blood clots, is a key factor in cerebral vasospasm and subsequent brain damage. This study confirms microthrombi as a major cause of cerebral infarction following aneurysm rupture.
Area of Science:
- Neurology
- Pathology
- Vascular Biology
Background:
- Cerebral vasospasm is a serious complication following subarachnoid hemorrhage.
- The role of microthrombosis in cerebral vasospasm pathogenesis requires further elucidation.
Observation:
- Histological examination of an autopsied brain revealed multiple microthrombi.
- The patient experienced typical cerebral vasospasm after an anterior communicating artery aneurysm rupture.
Findings:
- Multiple microthrombi were identified as a primary cause of cerebral infarction.
- Thrombus formation and subarachnoid perivascular acidosis are significant factors in vasospasm.
Implications:
- Understanding microthrombosis is crucial for managing cerebral vasospasm.
- This research highlights potential therapeutic targets for preventing cerebral infarction.