Enlarged perivascular spaces as a marker of underlying arteriopathy in intracerebral haemorrhage: a multicentre MRI cohort study.

Enlarged perivascular spaces as a marker of underlying arteriopathy in intracerebral haemorrhage: a multicentre MRI cohort study.
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血管周空间扩大为脑内出血中基础动脉病的标志:多中心MRI队列研究。

DOI:
10.1136/jnnp-2012-304434
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发表时间:
2013-06
期刊:
Journal of neurology, neurosurgery, and psychiatry
影响因子:
--
通讯作者:
Werring DJ
Werring DJ
中科院分区:
其他
文献类型:
--
作者:
Charidimou A;Meegahage R;Fox Z;Peeters A;Vandermeeren Y;Laloux P;Baron JC;Jäger HR;Werring DJ

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小血管疾病(主要是高血压动脉病和脑淀粉样血管病(CAA))是自发性脑出血(ICH)的重要原因,而自发性脑出血(ICH)是一种具有破坏性且仍知之甚少的中风类型。扩大的血管周围间隙(EPVS)是小血管疾病的一个有前途的神经影像学标志。根据潜在的动脉病分布,我们假设严重的半卵圆中心 EPVS 在归因于 CAA 的脑叶 ICH 中比其他 ICH 更常见。我们评估了 EPVS 的患病率、严重程度和分布及其临床放射学关联。 121 名 ICH 患者的回顾性多中心队列研究。使用标准化表格获得临床信息。使用经过验证的量表对 T2 加权 MRI 上的基底节和半卵圆中心 EPVS(0-4 级(>40 EPVS))、白质变化、脑微出血 (CMB) 和腔隙进行评级。与其他 ICH 患者相比,可能患有 CAA 的患者 (n=76) 严重 (>40) 半卵圆中心 EPVS 的患病率较高(35.5% vs 17.8%;p=0.041)。在逻辑回归年龄(OR:1.43;95% CI 1.01至2.02;p = 0.045)、深部CMB(OR:3.27;95% CI 1.27至8.45;p = 0.014)和平均白质变化评分(OR:1.29;95% CI 1.17至1.43;p = 0.014)中。 p<0.0001) 与基底节 EPVS 严重程度增加独立相关;只有年龄与半卵圆中心 EPVS 严重程度增加相关(OR:1.50;95% CI 1.08 至 2.10;p=0.017)。 EPVS 在 ICH 中很常见。根据其解剖分布,不同的机制可能解释 EPVS。严重的半卵圆中心 EPVS 可能继发于 CAA,并提示 CAA,具有作为新神经影像标记的价值。相比之下,基底节 EPVS 严重程度与高血压动脉病的标志物相关。
Small vessel disease (mainly hypertensive arteriopathy and cerebral amyloid angiopathy (CAA)) is an important cause of spontaneous intracerebral haemorrhage (ICH), a devastating and still poorly understood stroke type. Enlarged perivascular spaces (EPVS) are a promising neuroimaging marker of small vessel disease. Based on the underlying arteriopathy distributions, we hypothesised that severe centrum semiovale EPVS are more common in lobar ICH attributed to CAA than other ICH. We evaluated EPVS prevalence, severity and distribution, and their clinical–radiological associations. Retrospective multicentre cohort study of 121 ICH patients. Clinical information was obtained using standardised forms. Basal ganglia and centrum semiovale EPVS on T2-weighted MRI (graded 0–4 (>40 EPVS)), white-matter changes, cerebral microbleeds (CMBs) and lacunes were rated using validated scales. Patients with probable or possible CAA (n=76) had a higher prevalence of severe (>40) centrum semiovale EPVS compared with other ICH patients (35.5% vs 17.8%; p=0.041). In logistic regression age (OR: 1.43; 95% CI 1.01 to 2.02; p=0.045), deep CMBs (OR: 3.27; 95% CI 1.27 to 8.45; p=0.014) and mean white-matter changes score (OR: 1.29; 95% CI 1.17 to 1.43; p<0.0001) were independently associated with increased basal ganglia EPVS severity; only age was associated with increased centrum semiovale EPVS severity (OR: 1.50; 95% CI 1.08 to 2.10; p=0.017). EPVS are common in ICH. Different mechanisms may account for EPVS according to their anatomical distribution. Severe centrum semiovale EPVS may be secondary to, and indicative of, CAA with value as a new neuroimaging marker. By contrast, basal ganglia EPVS severity is associated with markers of hypertensive arteriopathy.
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