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首页> 外文期刊>Journal of stroke and cerebrovascular diseases: The official journal of National Stroke Association >Recurrent unconsciousness due to bilateral middle cerebral artery stenosis.
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Recurrent unconsciousness due to bilateral middle cerebral artery stenosis.

机译:由于双侧大脑中动脉狭窄引起的复发性意识丧失。

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摘要

Unconsciousness may be caused by transient ischemia of the bilateral hemisphere or brain stem. We report a case of recurrent unconsciousness in which angiography confirmed an occluded left middle cerebral artery (MCA) with well-established collateral compensation, along with a severely stenotic right MCA with poor collateral compensation, which was consistent with decreased cerebral blood flow and cerebral blood volume seen on a computed tomography perfusion study. A stent was placed in the patient's right MCA, after which the symptom disappeared completely. This case demonstrates that bilateral MCA stenosis may lead to recurrent unconsciousness through the mechanism of hypoperfusion.
机译:昏迷可能是由双侧半球或脑干的短暂性缺血引起的。我们报道了一例复发性意识丧失,其中血管造影术证实了闭塞的左中脑动脉(MCA)伴有完善的侧支代偿,以及严重狭窄的右MCA且侧支代偿不佳,这与脑血流量和脑血流量减少相一致在计算机断层扫描灌注研究中看到的体积。在患者的右MCA中放置一个支架,之后症状完全消失。该病例表明,双侧MCA狭窄可能通过灌注不足机制导致复发性意识丧失。

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