Int J Cardiol:房颤患者白质高信号与认知功能损害不相关

2016-05-17 phylis 译 MedSci原创

背景:本研究旨在心房颤动(AF)脑颅脑磁共振成像(MRI)显示白质高信号(WMH)的发生,严重程度及危险因素,并且确定WMH和认知功能下降之间的关系。方法:招募阵发性非瓣膜性房颤患者74名,年龄59(IQR 50-63)岁,男性45 / 61%。纳入前,所有的患者给予充分的华法林治疗,并且这些患者无卒中或TIA病史。根据法泽卡斯量表将脑WMH存在及严重程度进行分类,应用简易精神状态检查(MMSE)

背景:本研究旨在观察心房颤动(AF)患者的脑颅脑磁共振成像(MRI)时,白质高信号(WMH)的发生、严重程度及危险因素,并且确定WMH和认知功能下降之间的关系。

方法:招募阵发性非瓣膜性房颤患者74名,年龄59(IQR 50-63)岁,男性45 / 61%。纳入前,所有的患者给予充分的华法林治疗,并且这些患者无卒中或TIA病史。根据法泽卡斯量表将脑WMH存在及严重程度进行分类,应用简易精神状态检查(MMSE)检测患者一般神经认知功能。

结果:研究发现51例患者存在WMH(67.6%);患者年龄为59±7.9岁;男性为29例(58%)。CHADS2-VASc评分(1分的OR:2.18;95% CI = 1.3-3.65;),年龄(OR:1.11;95%CI:1.04-1.18)及BMI(1公斤/平方米的OR:1.23;95% CI = 1.04-1.45)是任何脑部病变的独立危险因素。在所有受试者中,法泽卡斯量表评分和CHA2DS2-VASc评分呈正相关(γ=0.48;P<0.001)。脑病变组,房颤持续时间和左室舒张末期内径显著影响法泽卡斯量表评分(病变严重程度)。WMH患者和非WMH患者中,MMSE评分不存在差异(中位数:28(IQR 27-29)vs 29(IQR 27.5-30);P = 0.2)。

结论:脑WMH存在与严重程度与CHADS2-VASc评分相关,但不与认知功能损害相关。年龄、体重指数、房颤持续时间和心脏重构指数是影响脑损伤的重要因素。

原始出处:

Wieczorek J, Mizia-Stec K, et al. CHA2DS2-Vasc score, age and body mass index as the main risk factors of hyperintense brain lesions in asymptomatic patients with paroxysmal non-valvular atrial fibrillation. Int J Cardiol. 2016 Apr 15.

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