急性腔隙性缺血性卒中的早期神经功能恶化:发病率、机制和治疗前景的系统回顾。

IF 6.3 2区 医学 Q1 CLINICAL NEUROLOGY International Journal of Stroke Pub Date : 2024-09-05 DOI:10.1177/17474930241273685
David J Werring, Hatice Ozkan, Fergus Doubal, Jesse Dawson, Nick Freemantle, Ahamad Hassan, Suong Thi Ngoc Le, Dermot Mallon, Rom Mendel, Hugh S Markus, Jatinder S Minhas, Alastair J S Webb
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引用次数: 0

摘要

背景:脑小血管疾病(CSVD)导致的缺血性脑卒中占所有缺血性脑卒中的 25% 至 30%。在急性腔隙性缺血性脑卒中中,尽管最初症状通常较轻,但约有 15-20% 的患者会出现早期神经功能恶化(END),并与功能预后不良有关,但其机制尚不十分清楚:目的:在这篇综述中,我们系统地评估了以下方面的数据:(1) END 的定义和发病率;(2) 小血管闭塞的机制;(3) END 的预测因素和机制;(4) END 患者的预防或治疗前景:我们发现了 67 份报告(包括 13407 名参与者)描述了END 在急性腔隙性缺血性卒中中的发生率。END的具体时间范围各不相同:20%以上的急性腔隙缺血性卒中患者会出现早期神经功能恶化,这可能为临床试验提供了一个新的目标。NIHSS 下降≥2 是最常用的定义,可提供最佳的研究间同质性。END始终与不良功能预后相关。需要进一步研究,以更好地识别END高危患者,了解其潜在机制,并开展新的试验来测试潜在的干预措施。
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Early neurological deterioration in acute lacunar ischemic stroke: Systematic review of incidence, mechanisms, and prospects for treatment.

Background: Cerebral small vessel disease (CSVD) causes between 25% and 30% of all ischemic strokes. In acute lacunar ischemic stroke, despite often mild initial symptoms, early neurological deterioration (END) occurs in approximately 15-20% of patients and is associated with poor functional outcome, yet its mechanisms are not well understood.

Aims: In this review, we systematically evaluated data on: (1) definitions and incidence of END, (2) mechanisms of small vessel occlusion, (3) predictors and mechanisms of END, and (4) prospects for the prevention or treatment of patients with END.

Summary of review: We identified 67 reports (including 13,407 participants) describing the incidence of END in acute lacunar ischemic stroke. The specified timescale for END varied from <24 h to 3 weeks. The rate of END ranged between 2.3% and 47.5% with a pooled incidence of 23.54% (95% confidence interval (CI) = 21.02-26.05) but heterogeneity was high (I2 = 90.29%). The rates of END defined by National Institutes of Health Stroke Scale (NIHSS) decreases of ⩾1, ⩾2, ⩾3, and 4 points were as follows: 24.17 (21.19-27.16)%, 22.98 (20.48-25.30)%, 23.33 (16.23-30.42)%, and 10.79 (2.09-23.13)%, respectively, with lowest heterogeneity and greatest precision for a cutoff of ⩾2 points. Of the 20/67 studies (30%) reporting associations of END with clinical outcome, 19/20 (95%) reported worse outcomes (usually measured using the modified Rankin score at 90 days or at hospital discharge) in patients with END. In a meta-regression analysis, female sex, hypertension, diabetes, and smoking were associated with END.

Conclusions: END occurs in more than 20% of patients with acute lacunar ischemic stroke and might provide a novel target for clinical trials. A definition of an NIHSS ⩾2 decrease is most used and provides the best between-study homogeneity. END is consistently associated with poor functional outcome. Further research is needed to better identify patients at risk of END, to understand the underlying mechanisms, and to carry out new trials to test potential interventions.

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来源期刊
International Journal of Stroke
International Journal of Stroke 医学-外周血管病
CiteScore
13.90
自引率
6.00%
发文量
132
审稿时长
6-12 weeks
期刊介绍: The International Journal of Stroke is a welcome addition to the international stroke journal landscape in that it concentrates on the clinical aspects of stroke with basic science contributions in areas of clinical interest. Reviews of current topics are broadly based to encompass not only recent advances of global interest but also those which may be more important in certain regions and the journal regularly features items of news interest from all parts of the world. To facilitate the international nature of the journal, our Associate Editors from Europe, Asia, North America and South America coordinate segments of the journal.
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