论文部分内容阅读
目的:分析不同MRI技术在诊断新生儿缺氧缺血性脑病(HIE)中的应用价值。方法:回顾性分析2015年7月~2017年2月我院收治的46例HIE患儿的临床资料,所有患儿入院后均完成常规MRI扫描、磁敏感加权成像(SWI)及弥散加权成像(DWI)扫描,分析不同MRI技术诊断新生儿HIE的临床价值。结果:(1)本组46例HIE患儿共检出病灶130枚,其中SWI扫描检出病灶数目最多(86.92%),其次为DWI序列(70.00%),常规MRI序列中以T2 FLAIR序列检出病灶数目最多(56.92%),HIE患儿病灶主要分布于大脑皮质区,其次为室鼓膜,DWI对大脑皮质损伤诊断阳性率高,SWI对小脑、鼓室膜、硬膜下与硬膜外损伤诊断阳性率较高。(2)46例HIE常规MRI检出阳性21例,DWI检出27例,SWI检出33例,DWI+SWI联合检出41例,以三者联合检查检出HIE阳性率最高(89.13%),其次为SWI序列(71.74%)。结论:MRI不同序列中以SWI对新生儿HIE诊断阳性率最高,其次为DWI序列,采用DWI联合SWI序列扫查可提高HIE早期检出率。
Objective: To analyze the value of different MRI techniques in the diagnosis of neonatal hypoxic-ischemic encephalopathy (HIE). Methods: The clinical data of 46 HIE children admitted to our hospital from July 2015 to February 2017 were retrospectively analyzed. All children underwent MRI scan, magnetic resonance weighted imaging (SWI) and diffusion weighted imaging DWI) scan, analysis of different MRI diagnosis of neonatal HIE clinical value. Results: (1) A total of 130 lesions were detected in 46 children with HIE. Among them, the number of lesions detected by SWI scan was the highest (86.92%), followed by DWI (70.00%), and T2 FLAIR The number of lesions was the highest (56.92%). The lesions in children with HIE mainly distributed in the cerebral cortex, followed by the tympanic membrane. The positive rate of DWI in the diagnosis of cerebral cortex injury was high. SWI had significant effects on the cerebellum, tympanic membrane, subdural and epidural damage The positive rate of diagnosis is high. (2) The positive rate of HIE in the HIE routine examination was 21 cases (21 cases), DWI (27 cases), SWI (33 cases) and DWI + SWI (41 cases) , Followed by SWI sequence (71.74%). Conclusion: The positive rate of HIE in SWI is the highest in all MRI sequences, followed by DWI sequence. The detection rate of early HIE can be increased by using DWI combined with SWI sequence scan.