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合并卵圆孔未闭的脑梗死患者临床及磁共振影像特点分析 被引量:2

Clinical and imaging characteristic of stroke patients with patent foramen ovale
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摘要 目的通过分析合并卵圆孔未闭(PFO)的脑梗死患者的临床特点及MRI弥散加权相(diffusion--weightedimaging,MRI—DWI)的病灶形式,探讨其可能发病机制。方法回顾性分析102例合并不同大小心脏PFO的脑梗死患者的临床资料、经食道超声及MRI资料。结果102例合并PFO的急性脑梗死患者按PFO大小分为两组:小PFO组(〈1.9mm)患者49例(48.03%),而大PFO组(≥2.0mm)患者53例(51.96%)。小PFO组伴发房间隔膨胀瘤3例,大PFO组合并房间隔膨胀瘤7例,差异有统计学意义(P〈0.05)。大PFO组有51例患者(96.23%)心脏超声显示异常的右向左分流,比例高于小PFO组(25例,51.02%,P〈0.001)。所有患者中静脉异常栓子的来源检出率为20.59%。MRI—DwI示梗死主要分布于前循环,以皮质下穿支动脉梗死为主,两组患者的梗死病灶分布无差异。结论不同大小PFO患者的MRI—DWI上脑梗死病灶特点无差异。卵圆孔未闲患者的梗死病灶以皮质下穿支动脉梗死,可能不同于大动脉粥样硬化性脑梗死发病机制。
出处 《神经疾病与精神卫生》 2013年第1期67-69,共3页 Journal of Neuroscience and Mental Health
关键词 卵圆孔 未闭 脑梗死 磁共振成像 弥散 经食管超声心动图 Foramen ovale, patent Brain infarction Diffusion magnetic resonance imaging Transesophageal echoeardiography
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参考文献12

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