Stroke:急性缺血性脑卒中患者的总同型半胱氨酸水平升高与长期死亡率相关

2015-07-24 MedSci MedSci原创

在中风的急性期tHcy水平是否导致心脑血管事件的复发和死亡率事件发生。    该研究共招募了3799例因急性缺血性卒中而入院的患者。tHcy水平在入院后24小时内进行测量。中位随访时间为48个月。    在随访期间,233例(6.1%)患者死亡。在调整了年龄,吸烟状况,糖尿病和其他心血管危险因素后,与最低四分位数患者(≤10微摩尔/升)相

在中风的急性期tHcy水平是否导致心脑血管事件的复发和死亡率事件发生。
    
该研究共招募了3799例因急性缺血性卒中而入院的患者。tHcy水平在入院后24小时内进行测量。中位随访时间为48个月。
   
 在随访期间,233例(6.1%)患者死亡。在调整了年龄,吸烟状况,糖尿病和其他心血管危险因素后,与最低四分位数患者(≤10微摩尔/升)相比,最高四分位数的tHcy(>18.6微摩尔/升)的患者的死亡风险增加了1.61倍(调整后的危险比(HR),1.61;95%置信区间[Cl],1.03-2.53)。进一步的亚组分析表明,这种相关性仅是在大动脉粥样硬化性卒中的亚型中显著(调整后HR,1.80;95%Cl,1.05-3.07);这种相关性在小血管闭塞亚型患者中不显著(调整后HR,0.80;95%Cl,0.30-2.12)。与最低四分位tHcy患者相比,第三分位tHcy患者的卒中相关死亡的风险高出2.27倍(调整后HR,2.27;95%Cl,1.06-4.86),第四分位tHcy患者高出2.15倍(调整后HR,2.15;95%Cl,1.01-4.63)比患者在最低四分型半胱氨酸。心血管疾病相关的死亡率和缺血性卒中复发的风险都与tHcy水平无关。
    
该研究结果表明,在缺血性中风急性期升高的tHcy水平可以预测死亡率,尤其是对于大血管动脉粥样硬化的亚型脑卒中患者。

原始出处:

Zhihong Shi, MD, PhD, Yalin Guan, MD, MS, Ya Ruth Huo, BA, MD, Shuling Liu, RN, MS, Meilin Zhang, PhD, Hui Lu, MD, MS, Wei Yue, MD, MS, Jinhuan Wang, MD, PhD and Yong Ji, MD, PhD,Elevated Total Homocysteine Levels in Acute Ischemic Stroke Are Associated With Long-Term Mortality,Stroke,2015.7.21

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