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Mechanical Thrombectomy for Patients with In-Hospital Ischemic Stroke: A Case-Control Study.

机械取栓术治疗院内缺血性卒中患者: 一项病例对照研究。

  • 影响因子:1.78
  • DOI:10.1016/j.jstrokecerebrovasdis.2020.104692
  • 作者列表:"Bulwa Z","Del Brutto VJ","Loggini A","Ammar FE","Martinez RC","Christoforidis G","Brorson JR","Ardelt AA","Goldenberg FD
  • 发表时间:2020-02-19
Abstract

BACKGROUND AND AIM:Patients with in-hospital acute ischemic stroke (AIS) have, in general, worse outcomes compared to those presenting from the community, partly attributed to the numerous contraindications to intravenous thrombolysis. We aimed to identify and analyze a group of patients with in-hospital AIS who remain suitable candidates for acute endovascular therapies. METHODS:A retrospective 6-year data analysis was conducted in patients evaluated through the in-hospital stroke alert protocol in a single tertiary care university hospital to identify those with in-hospital AIS due to acute intracranial large vessel occlusion (ILVO). Feasibility and safety of mechanical thrombectomy for in-hospital AIS was assessed in a case-control study comparing inpatients to those presenting from the community. RESULTS:From 1460 in-hospital stroke alert activations, 11% had a final diagnosis of AIS (n = 167). One hundred and two patients with in-hospital AIS had emergent intracranial vessel imaging and were included in our cohort. Acute ILVO was identified in 27 patients within this cohort. Patients were younger in the ILVO group and had more severe neurologic deficit on presentation. Compared to a matched (1:2) control group of patients presenting from the community, inpatients who underwent mechanical thrombectomy achieved equivalent technical success, safety, and clinical outcomes. CONCLUSIONS:The incidence of acute ILVO in patients with in-hospital AIS who underwent emergent vessel imaging is similar to the reported incidence of ILVO in patients presenting with community-onset AIS. Among patients with in-hospital AIS secondary to ILVO, mechanical thrombectomy is a feasible and safe therapy associated with favorable outcomes.

摘要

背景和目的: 与来自社区的患者相比,院内急性缺血性卒中 (AIS) 患者的总体预后更差,部分归因于静脉溶栓的众多禁忌症。我们旨在识别和分析一组仍然适合急性血管内治疗的院内 AIS 患者。 方法: 在一家三级医疗大学医院通过院内卒中警报方案评估的患者中进行了一项回顾性 6 年的数据分析,以确定那些因急性颅内大的院内 AIS 患者。血管闭塞 (ILVO)。在一项比较住院患者与社区就诊患者的病例对照研究中评估了机械取栓治疗院内 AIS 的可行性和安全性。 结果: 从 1460 例院内卒中警报激活中,11% 例最终诊断为 AIS (n = 167)。102 例院内 AIS 患者进行了急诊颅内血管成像,并被纳入我们的队列。在该队列中的 27 例患者中发现了急性 ILVO。ILVO 组患者年龄较小,就诊时有更严重的神经功能缺损。与来自社区的匹配 (1:2) 对照组患者相比,接受机械性血栓切除术的住院患者获得了同等的技术成功、安全性和临床结局。 结论: 接受急诊血管成像的院内 AIS 患者急性 ILVO 的发生率与社区发病的 AIS 患者报告的 ILVO 发生率相似。在 ILVO 继发的院内 AIS 患者中,机械血栓切除术是一种可行且安全的治疗方法,预后良好。

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DOI:10.1093/ptj/pzaa022
作者列表:["Thilarajah S","Bower KJ","Hao PY","Tan D","Williams G","Larik A","Wai BC","Koh G","Clark RA"]

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影响因子:2.57
发表时间:2020-01-06
DOI:10.1007/s12031-019-01474-x
作者列表:["Cheng, Xiao","Yang, Ying-Lin","Li, Wei-Han","Liu, Man","Zhang, Shan-Shan","Wang, Yue-Hua","Du, Guan-Hua"]

METHODS:Cerebral ischemia-reperfusion (I/R) is characterized by initial transient cerebral ischemia followed by reperfusion. Various pathophysiological processes are involved in brain injury and functional recovery during cerebral I/R. There are few studies on dynamic metabolic process after cerebral I/R. The present study was to observe dynamic alteration of brain injury, functional recovery, and metabolites after cerebral I/R in rats and discover potential metabolic markers. The cerebral I/R model was established by middle cerebral artery occlusion (MCAO) for 90 min, following reperfusion in rats. The results of cerebral infarction area, cerebral edema, and behavior test showed that there were dynamic changes in brain injury and functional recovery at different periods after cerebral I/R. Further analysis showed that the brain injury was severe on the first day of cerebral I/R, and there was a significant functional recovery from the 7th day of cerebral I/R, followed by an aggravation trend of brain injury from the days 7 to 28. Furthermore, Matrix-assisted laser desorption ionization mass spectrometry imaging analysis showed that the expression of ATP, glucose, and citric acid on 7th day was the highest during cerebral I/R, which indicated that energy metabolism and oxidative phosphorylation played important roles during cerebral I/R. In addition, the untargeted metabolomic results showed that the level of isocitric acid, the ratio of oxyglutaric acid/glutamic acid, and the level of pyruvic acid associated with the TCA cycle were also the highest on the 7th day during cerebral I/R, which indicated that the transient spontaneous recovery of ischemic brain on the 7th day after ischemia-reperfusion might be related to oxidative phosphorylation and energy metabolism in the brain in this period. In conclusion, the results suggest that some small molecule metabolites participate in the brain injury and functional recovery during cerebral I/R, which is of great significance to the development of therapeutic drugs and diagnostic markers.

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影响因子:2.75
发表时间:2020-01-01
DOI:10.1007/s00702-019-02124-7
作者列表:["Wang, Xiaodong","Shi, Cunxian","Pan, Hongxia","Meng, Xiaowen","Ji, Fuhai"]

METHODS:The aims of this study were to study the effects of miR-2 on cerebral ischemia–reperfusion rats and to explore its further mechanism. Rats were assigned into sham, model, miR-22 control and miR-22 groups. Observation of neurological behaviors at 24 h after operation found that neurological functions were severely damaged in the model and miR-22 control groups and these damages were improved by miR-22. RT-PCR indicated that miR-22 mRNA level in the brain tissue was significantly decreased in the model and miR-22 control groups, but increased in the miR-22 group. TTC staining showed increased percentage of cerebral infarction volume in the model and miR-22 control groups and this increase was reduced by miR-22. Immunohistochemistry showed increased densities of CD34^+ and VEGF^+ microvessels in the cortex in the model and miR-22 control groups, which were further increased in the miR-22 group. ELISA showed increased serum VEGF and Ang-1 levels in the model and miR-22 control groups, which were also further increased in the miR-22 group. Western blot analysis showed increased phosphorylation level of PI3K and Akt in brain tissue in the model and miR-22 control groups, which were further increased in the miR-22 group. Administration of LY294002, a specific PI3K pathway inhibitor, significantly reversed all the effects of miR-22 on rats in the model group. miR-22 exerts its neuroprotective and angiogenic functions via the PI3K/Akt signaling pathway, at least partly, in rats under cerebral ischemia–reperfusion.

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