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目的探究MRI在弥漫性颅脑轴索损伤(Diffuse Axonal Injury,DAI)中的临床诊断价值。方法抽取2014年1月—2016年5月郑州市骨科医院接收的符合研究选取标准的68例DAI患者,根据诊断方式不同分为MRI组(n=34)与CT组(n=34)。CT组行CT检查,MRI组行MRI检查。以数字减影血管造影诊断结果作金标准,对比两组病灶诊断结果及诊断敏感度。结果 MRI组大脑皮层下病灶检出率(81.33%)与CT组(88.05%)对比,差异无统计学意义(P>0.05),但MRI组脑深部区域病灶检出率(20.48%)、出血病灶检出率(93.98%)、非出血病灶检出率(27.11%)均明显高于CT组(7.55%、78.62%、11.95%),差异有统计学意义(P<0.05);MRI组检测敏感度为88.24%(30/34),CT组检测敏感度为55.88%(19/34),两组对比差异有统计学意义(χ~2=8.838,P<0.05)。结论 MRI在弥漫性颅脑轴索损伤中的诊断敏感度高于CT检查,且对脑深部区域病灶、出血病灶及非出血病灶的检出率高于CT,对疾病早期确诊及治疗方案的制定具有重要意义,值得推广。
Objective To explore the value of MRI in the diagnosis of Diffuse Axonal Injury (DAI). Methods Sixty-eight patients with DAI were enrolled in Zhengzhou Orthopedic Hospital from January 2014 to May 2016, and divided into MRI group (n = 34) and CT group (n = 34) according to different diagnostic methods. CT group CT examination, MRI MRI examination. Digital subtraction angiography diagnostic results as the gold standard, the two sets of lesions compared with the diagnostic results and diagnostic sensitivity. Results The detection rate of cerebral lesion in MRI group (81.33%) was significantly lower than that in CT group (88.05%) (P> 0.05). However, the detection rate of lesions in deep brain region of MRI group was 20.48% The detection rate of lesions (93.98%) and non-hemorrhagic lesions (27.11%) were significantly higher than that of CT group (7.55%, 78.62%, 11.95%), the difference was statistically significant (P <0.05) Sensitivity was 88.24% (30/34) in the CT group, and 55.88% (19/34) in the CT group. The difference between the two groups was statistically significant (χ ~ 2 = 8.838, P <0.05). Conclusions The diagnostic sensitivity of MRI in diffuse craniocerebral injury is higher than that of CT, and the detection rate of lesions, hemorrhagic lesions and non-hemorrhagic lesions in deep brain is higher than that of CT. The early diagnosis and treatment of the disease It is of great significance and worth promoting.