Collateral Circulation in Moyamoya Disease: A New Grading System
Collateral Circulation in Moyamoya Disease: A New Grading System
复制标题
烟雾病的侧支循环:新的分级系统
DOI:
10.1161/strokeaha.119.024487
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发表时间:
2019-10-01
期刊:
影响因子:
8.3
通讯作者:
Duan, Lian
中科院分区:
文献类型:
--
作者:
Liu, Zhi-wen;Han, Cong;Duan, Lian
Background and Purpose-Predicting the risk of stroke and determining intervention indications are highly important for patients with Moyamoya disease (MMD). Here, we evaluated a novel MMD grading system based on collateral circulation and Suzuki stage to evaluate symptoms and predict prognosis.Methods-In total, 301 idiopathic MMD patients were retrospectively analyzed between 2014 and 2016. A collateral circulation grading system with scores ranging from 1 to 12 was established: the anatomic extent of pial collateral blood flow from posterior cerebral artery to middle cerebral artery and anterior cerebral artery was scored from 1 to 6; perforator collateral and internal cerebral artery flow were scored as 6 to 1, which corresponded to Suzuki stages 1 to 6. Dynamic susceptibility contrast-magnetic resonance imaging was used to evaluate hemodynamic status. We assessed the association between the grading system and clinical characteristics.Results-We analyzed 364 symptomatic hemispheres of 301 patients (146 males, 2816 years). Ischemic patients who presented with infarction were more likely to score