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目的探讨非痴呆型脑小血管病(cerebral small vessel disease,CSVD)患者血清同型半胱氨酸(homocysteine,Hcy)、转化生长因子-β1(transformed growth factor-1,TGF-β1)及脑源性神经营养因子(brain-derived neurotrophic factor,BDNF)表达与认知功能障碍的关系。方法选取117例CSVD患者为研究对象,根据是否存在认知功能障碍(vascular cognitive impairment of non