多层螺旋CT和经胸超声心动图诊断法洛四联症并发畸形的价值比较

王建堂; 马增山; 马胜军; 董铭峰; 柴守栋; 唐培哲

doi:10.13191/j.chj.2012.01.96.wangjt.025

多层螺旋CT和经胸超声心动图诊断法洛四联症并发畸形的价值比较

Clinical significance of multislice spiral computed tomography in diagnosis and therapy of tetralogy of Fallot

摘要

摘要: 目的:比较多层螺旋CT(multislice spiral CT,MSCT)和经胸超声心动图(transthoracic echocardiography,TTE)在法洛四联症(tetralogy of Fallot,TOF)并发畸形的诊断价值。方法:138例诊断TOF的患者术前均行MSCT及TTE检查,以术后诊断结果为金标准,利用四格表法计算MSCT与TTE诊断TOF并发畸形的真实性评价指标,并加以比较。结果:MSCT与TTE均能对TOF做出明确诊断,但对并发畸形的诊断MSCT的灵敏度、特异度和准确度均显著优于TTE(分别为88%vs.74%,P<0.05;95%vs.81%,P<0.05;90%vs.76%,P<0.01)。结论:MSCT对TOF并发畸形诊断的真实性优于TEE。

Abstract: AIM:To evaluate the role of multislice spiral computed tomography(MSCT) in the diagnosis and therapy of tetralogy of Fallot(TOF).METHODS:A cohort of 138 TOF patients was enrolled in the study.Before surgery,each patient underwent MSCT and transthoracic echocardiography(TTE). Results were compared with postsurgical diagnosis,and diagnostic accuracy of MSCT and TTE were assessed.RESULTS:Both MSCT and TTE made definitive diagnoses of TOF.However,diagnostic accuracy of MSCT and TTE in the merger deformities with TOF was 88% and 74%,respectively.MSCT was superior to TTE in detecting merger deformities of TOF(χ2=4.821,P=0.0281).CONCLUSION:MSCT is a reliable technique for diagnosis of TOF,with higher accuracy especially in TOF patients with merger deformities.MSCT provides an important basis for operative procedure and prognosis for TOF patients with.

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