摘要:目的分析MRI及超声对早产儿脑损伤(BIPI)的诊断价值。方法:收集130例临床拟诊BIPI患儿,分别行超声和MRI检查,对比分析2种方法的检出率。结果:MRI共检出99例(76.2%),超声检出70例(53.8%),MRT阳性检出率明显高于超声(P〈0.01)。其中MRI对脑白质损伤(WMD)、硬膜下出血(SD)及蛛网膜下腔出血(SAH)的检出率明显优于超声(均P〈0.01),而超声对脑室周围一脑室内出血的检出率明显优于MRI(P〈0.01)。结论:超声具有操作方便、价格低廉的优点,可作为BIPI初诊筛查的首选方法,但对WMD、SD及SAH的诊断逊于MRI。对于临床怀疑BIPI但超声检查阴性者应结合MRI以免漏诊。
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