血管周围空间增大和小血管疾病总负担与肾功能的关系

Association of Enlarged Perivascular Spaces and Total Small Vessel Disease Burden With Kidney Function.

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摘要(中文译文)

基底节区扩大的血管周围间隙(BG-EPVS)是脑小血管病(cSVD)的重要标志物,半卵圆中心扩大的血管周围间隙(CSO-EPVS)是脑淀粉样血管病诊断标准的一部分。本研究旨在探讨EPVS与估算肾小球滤过率(eGFR)降低及肾小球高滤过(eGFR高于正常)之间的关联,此前鲜有研究涉及。在这项横断面研究中,我们使用了来自微出血国际协作网络的汇总个体患者数据,该网络纳入缺血性卒中或短暂性脑缺血发作患者。我们研究了肾功能受损(定义为eGFR 30-60或<30 mL/min/1.73 m²)及肾小球高滤过(定义为eGFR高于年龄和性别校正后的第95百分位数)与BG-EPVS和CSO-EPVS严重程度的关联。EPVS采用经验证的5点有序量表评定,合并cSVD负担采用经验证的5点有序量表评定,以下各项每存在一项计1分:重度白质高信号、≥1个脑微出血灶、≥1个腔隙灶、BG-EPVS≥11。正常肾小球滤过定义为eGFR≥60且无高滤过。我们使用多变量有序logistic回归模型,在校正年龄、性别和合并症后估计EPVS增加及cSVD负担严重程度增加的风险。共纳入7 254例患者(平均年龄71±13岁,43%为女性)进行分析,其中357例存在肾小球高滤过,1 692例eGFR为30-60,256例eGFR<30。与正常肾小球滤过相比,高滤过与BG-EPVS独立相关(校正比值比[aOR] 1.38,95% CI 1.11-1.70,P<0.001),与CSO-EPVS亦独立相关(aOR 1.34,95% CI 1.08-1.64,P=0.011)。eGFR 30-60和eGFR<30与EPVS的关联无统计学意义。与正常肾小球滤过相比,eGFR<30(aOR 1.27,95% CI 1.03-1.57)与cSVD负担增加独立相关,而eGFR 30-60(aOR 1.06,95% CI 0.95-1.20)和高滤过(aOR 1.15,95% CI 0.98-1.34)则无此关联。肾小球高滤过与基底节区和半卵圆中心的EPVS严重程度均独立相关。eGFR<30与总cSVD负担独立相关。主要局限性在于缺乏重复eGFR测量。

Abstract

Enlarged perivascular spaces (EPVSs) in the basal ganglia (BG-EPVS) are an important marker of cerebral small vessel disease (cSVD), and EPVS in the centrum semiovale (CSO-EPVS) are part of the diagnostic criteria for cerebral amyloid angiopathy. We aimed to investigate associations of EPVS with reduced estimated glomerular filtration rate (eGFR) and glomerular hyperfiltration (higher than normal eGFR), which have scarcely been studied previously. In this cross-sectional study, we used pooled individual patient data from the Microbleeds International Collaborative Network which includes patients with ischemic stroke or transient ischemic attack. We investigated associations of impaired kidney function, defined as an eGFR of 30-60 or <30 mL/minute/1.73 m, and glomerular hyperfiltration, defined as eGFR above the age-adjusted and sex-adjusted 95th centile, with BG-EPVS and CSO-EPVS severity. EPVS were rated according to a validated 5-point ordinal scale, and combined cSVD burden was rated using a validated 5-point ordinal scale with 1 point assigned for the presence of each of the following: severe white matter hyperintensities, ≥1 cerebral microbleed, ≥1 lacune, and BG-EPVS ≥11. Normal glomerular filtration was defined as eGFR ≥60 without hyperfiltration. We used multivariable ordinal logistic regression models to estimate risk of increased EPVS and cSVD burden severity adjusted for age, sex, and comorbidities. Seven thousand two hundred fifty-four patients (mean age 71 ± 13 years, 43% female) were included in the analysis, 357 with glomerular hyperfiltration, 1,692 with eGFR 30-60, and 256 with eGFR <30. Compared with normal glomerular filtration, hyperfiltration was independently associated with BG-EPVS (adjusted odds ratio [aOR] 1.38, 95% CI 1.11-1.70, < 0.001) and CSO-EPVS (aOR 1.34, 95% CI 1.08-1.64, = 0.011). Associations of eGFR 30-60 and eGFR <30 with EPVS were not statistically significant. Compared with normal glomerular filtration, eGFR <30 (aOR 1.27, 95% CI 1.03-1.57) was independently associated with increased cSVD burden, but eGFR 30-60 (aOR 1.06, 95% CI 0.95-1.20) and hyperfiltration (aOR 1.15, 95% CI 0.98-1.34) were not. Glomerular hyperfiltration was independently associated with EPVS severity, in both the basal ganglia and centrum semiovale. eGFR <30 was independently associated with total cSVD burden. A key limitation was a lack of repeated eGFR measurements.

如何引用

AMA

Philip S Nash, Gareth Ambler, Jonathan G Best, Duncan Wilson, Houwei Du, Rustam Al-Shahi Salman, et al. Association of Enlarged Perivascular Spaces and Total Small Vessel Disease Burden With Kidney Function.. Neurology. 2026; doi:10.1212/WNL.0000000000218406.

APA

Philip S Nash, Gareth Ambler, Jonathan G Best, Duncan Wilson, Houwei Du, Rustam Al-Shahi Salman, et al (2026). Association of Enlarged Perivascular Spaces and Total Small Vessel Disease Burden With Kidney Function.. Neurology. https://doi.org/10.1212/WNL.0000000000218406

GB/T 7714

Philip S Nash, Gareth Ambler, Jonathan G Best, Duncan Wilson, Houwei Du, Rustam Al-Shahi Salman, et al. Association of Enlarged Perivascular Spaces and Total Small Vessel Disease Burden With Kidney Function.[J]. Neurology, 2026 doi:10.1212/WNL.0000000000218406.

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