2012国际卒中大会:中国CNSR研究结果发表

2012-02-06 陈蓉 医学论坛网

       2012年国际卒中大会上,我国首都医科大学天坛医院王拥军等开展的一项临床研究证实,高血压是卒中小动脉闭塞(SAO)亚型复发独立预测因素,但非大动脉粥样硬 化及心因性卒中亚型复发的预测因素。该研究强调了SAO亚型卒中患者控制高血压的重要性,旨在减少在中国人群中的卒中复发事件。 高血压能否导致缺血性卒中复发仍是全球激辩的热点问题,而中国关注于

       2012年国际卒中大会上,我国首都医科大学天坛医院王拥军等开展的一项临床研究证实,高血压是卒中小动脉闭塞(SAO)亚型复发独立预测因素,但非大动脉粥样硬 化及心因性卒中亚型复发的预测因素。该研究强调了SAO亚型卒中患者控制高血压的重要性,旨在减少在中国人群中的卒中复发事件。

2012国际卒中大会

高血压能否导致缺血性卒中复发仍是全球激辩的热点问题,而中国关注于此的研究较少。中国国家卒中注册研究(CNSR研究)是中国第一项全国性的卒中注册研究,它为评价高血压对缺血性卒中各亚型(TOAST分型)复发的影响提供了研究平台。

CNSR研究连续纳入了2007年9月至2008年8月期间因急性缺血性卒中住院治疗的患者,于所标志卒中后的第3、6和12个月前瞻性随访卒中的复发结局。使用单变量和多变量logistic回归模型分析高血压与缺血性卒中亚型复发的相关性。

结果表明,11560例缺血性卒中患者中,72.7%患有高血压,17.7%的患者在1年随访中再次发生卒中。患有高血压的卒中患者较无高血压者有略 高的卒中复发率(18.0%比17.0%),但没有达到统计学意义(P= 0.213)。进行TOAST分层后,多变量模型分层特异性分析显示高血压与1年的SAO亚型卒中复发(OR,1.48;95%CI为 1.03-2.13)有显著的相关性;但是,高血压与其他三个亚型(大动脉粥样硬化[LAA]:1.00,0.84-1.20;心源性 [CE]:1.18,0.79-1.77;其他:0.96,0.79- 10.16)的卒中复发风险之间没有显著关联。



相关链接

International Stroke Conference:
Late-Breaking Science Poster Abstracts:LB P19

Publishing Title: Hypertension and Stroke Recurrence Risk According To Ischemic Stroke Subtypes: China National Stroke Registry

通讯作者:首都医科大学天坛医院王拥军

作者:首都医科大学天坛医院许杰,王伊龙,赵性泉,王春雪,李昊,刘丽萍,王安心,孟霞,王拥军

Abstract:

Background and Purpose: Whether hypertension contributes to recurrence of ischemic stroke is still debated worldwide, and few studies were conducted in China. The China National Stroke Registry (CNSR), the first nation-wide stroke registry in China, has offered the opportunity to study the effect of hypertension on recurrence of ischemic stroke subtypes defined by the TOAST classification.

Methods:The CNSR consecutively recruited patients hospitalized for acute ischemic stroke from September 2007 to August 2008 and prospectively followed up for recurrence outcomes at 3, 6 and 12 months after index stroke. Hypertension was analyzed in relation to recurrence of ischemic stroke subtypes using univariable and multivariable logistic regression models.

Results:Of 11560 ischemic stroke patients, 72.7% had hypertension and 17.7% experienced a recurrent stroke during 1 year follow-up. Those with hypertension had a slightly higher stroke recurrence rate than those without (18.0% vs 17.0%), but did not reach statistical significance (P=0.213). After stratification by TOAST, the stratum-specific analyses in a multivariable model revealed a significant association of hypertension with 1-year stroke recurrence in small artery occlusion (SAO) subgroup (OR, 1.48; 95% CI, 1.03-2.13); whereas there 
was no significant association between hypertension and risk of recurrent stroke in other three subtypes (largeartery atherosclerosis [LAA]:1.00, 0.84-1.20; cardioembolic [CE]: 1.18, 0.79-1.77; others: 0.96 ,0.79-1.16 ).

Conclusions: Hypertension was an independent predictor of stroke recurrence for SAO subtype rather than LAA or CE. Our findings highlight the importance of hypertension control for SAO stroke patients to reduce the recurrent events in Chinese population

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