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目的分析CT与B型超声在新生儿颅内出血中的诊断效用。方法选取2011年2月-2015年10月疑似新生儿颅内出血患儿100例,进行B型超声、CT检查,以随访结果作为定性诊断“金标准”。结果随访证实室管膜下出血发生率40.0%、脑室内出血25.0%、脑实质出血21.0%、硬膜下出血6.0%、蛛网膜下出血9.0%。CT诊断室管膜下出血与脑室内出血敏感度、符合率低于B型超声诊断,CT诊断脑实质出血敏感度与诊断硬膜下出血、蛛网膜下出血敏感度、符合率高于B型超声诊断,差异有统计学意义(P<0.05)。CT诊断出血平均体积(4.6±0.5)ml,超声(4.9±0.8)ml,差异有统计学意义(P<0.05),相关性系数0.09。结论 CT和B型超声检查诊断不同类型新生儿颅内出血价值不尽相同,CT诊断脑实质出血、硬膜下出血、蛛网膜下出血有优势,超声在诊断室管膜下出血与脑室内出血有优势,两者均可定量出血量。
Objective To analyze the diagnostic utility of CT and B ultrasound in neonatal intracranial hemorrhage. Methods 100 cases of suspected neonatal intracranial hemorrhage from February 2011 to October 2015 were selected for B type ultrasound and CT examination. The follow-up results were taken as the qualitative diagnosis of “gold standard”. Results The follow-up confirmed the incidence of subependymal hemorrhage 40.0%, intraventricular hemorrhage 25.0%, cerebral parenchymal hemorrhage 21.0%, subdural hemorrhage 6.0%, subarachnoid hemorrhage 9.0%. CT diagnosis of subependymal hemorrhage and intraventricular hemorrhage sensitivity, coincidence rate lower than the B-mode ultrasound diagnosis of cerebral parenchymal hemorrhage sensitivity and diagnosis of subdural hemorrhage, subarachnoid hemorrhage sensitivity, the coincidence rate higher than the B-mode ultrasound Diagnosis, the difference was statistically significant (P <0.05). The average volume of CT diagnosis was (4.6 ± 0.5) ml, and ultrasound was (4.9 ± 0.8) ml, the difference was statistically significant (P <0.05). The correlation coefficient was 0.09. Conclusion CT and B ultrasound diagnosis of different types of neonatal intracranial hemorrhage are not the same value, CT diagnosis of cerebral parenchymal hemorrhage, subdural hemorrhage, subarachnoid hemorrhage has the advantage of ultrasound in the diagnosis of subependymal hemorrhage and intraventricular hemorrhage have the advantage Both can quantify the amount of bleeding.