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目的在诊断小儿冠状动脉瘘(CAF)时采用低剂量双源CT(DSCT)血管成像的临床价值。方法 80例冠状动脉瘘患儿,按接受诊断方法的不同分为实验组和对照组,各40例,对照组患儿在治疗之前进行冠状动脉血管造影进行诊断分析,实验组患儿进行低剂量双源CT血管成像进行诊断分析,观察比较两组患儿冠状动脉瘘口和异常冠状动脉起源的诊断结果与手术后结果的差异。结果两组患儿经过手术后发现,对照组瘘口诊断准确率(65.00%)明显低于实验组(90.00%);对照组异常冠状动脉起源的诊断准确率(62.50%)明显低于实验组的准确率(87.50%),差异具有统计学意义(P<0.05)。结论低剂量双源CT血管成像可以准确对小儿冠状动脉瘘进行诊断。
Objective To evaluate the clinical value of low-dose dual-source CT (DSCT) angiography in the diagnosis of pediatric coronary artery fistula (CAF). Methods Eighty patients with coronary artery fistula were divided into experimental group and control group according to the method of diagnosis. Forty patients in control group were diagnosed by coronary angiography before treatment. The patients in experimental group were treated with low dose Dual-source CT angiography diagnosis and analysis of the two groups were observed in children with coronary artery fistula and the origin of the diagnosis of coronary artery and the difference between the results after surgery. Results The accuracy of diagnosing the fistula of the control group (65.00%) was significantly lower than that of the experimental group (90.00%) after surgery. The diagnostic accuracy of the abnormal coronary origin in the control group (62.50%) was significantly lower than that of the experimental group (87.50%), the difference was statistically significant (P <0.05). Conclusion Low-dose dual-source CT angiography can accurately diagnose coronary fistula in children.