Stroke:深部脑出血患者强化降压与血肿周围水肿扩张

2019-07-06 xing.T MedSci原创

由此可见,强化降压与深部ICH患者24小时PHER降低有关。PHER与所有深部ICH患者的结局无关,但与基底神经节ICH患者的预后不良有关。PHER可能是基底神经节ICH患者临床试验的临床相关终点。

尚不清楚血压(BP)降低是否会影响自发性脑出血(ICH)的继发性脑损伤。近日,心血管疾病领域权威杂志Stroke上发表了一篇研究文章,研究人员评估了强化降压与深部ICH血肿周围水肿扩张率(PHER)降低之间存在相关性的假设。

研究人员对ATACH-2随机试验(急性脑出血的抗高血压治疗-2)进行了探索性分析,纳入了深部幕上ICH患者。PHER计算为基线和24小时计算机断层扫描之间的血肿周围水肿体积的差异除以扫描之间的小时数。研究人员使用回归分析来确定强化降压是否与PHER相关,以及PHER是否与不良预后相关(3个月改良Rankin量表评分4-6)。然后,研究人员使用相互作用分析来测试特定的深部位置(基底神经节与丘脑)是否可改变这些关联。

在参加ATACH-2的1000名患者中,870名(87%)为幕上深部ICH患者。其中,780例(90%)有神经影像学数据(336例丘脑和444例基底神经节出血)。治疗组的基线特征保持平衡(P>0.2)。在单变量(β=-0.15; 95%CI为-0.26至-0.05; P=0.007)和多变量(β=-0.12; 95%CI为-0.21至-0.02; P=0.03)分析中,强化降压与PHER降低相关。PHER与所有深部ICH的结局无关(比值比为1.14; 95%CI为0.93-1.41; P=0.20),但这种关联被所涉及的特定深部位置所改变(多变量相互作用P=0.02); 在调整分析中,PHER与基底神经节ICH的不良预后相关(比值比为1.42; 1.05-1.97; P=0.03),而与丘脑ICH无关(比值比为1.02; 95%CI为0.74-1.40; P=0.89)。 

由此可见,强化降压与深部ICH患者24小时PHER降低有关。PHER与所有深部ICH患者的结局无关,但与基底神经节ICH患者的预后不良有关。PHER可能是基底神经节ICH患者临床试验的临床相关终点。 

原始出处:

Audrey C. Leasure.et al.Intensive Blood Pressure Reduction and Perihematomal Edema Expansion in Deep Intracerebral Hemorrhage.stroke.2019.https://www.ahajournals.org/doi/10.1161/STROKEAHA.119.024838

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    2020-04-14 lsj637
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    2019-07-08 小华子
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