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目的探讨小儿冠状动脉瘘(CAF)诊断中128层螺旋CT冠状动脉造影(CTCA)的临床效果。方法选取13例疑似冠状动脉瘘的患儿,行CTCA检查,在2周内行冠状动脉造影(CAG)检查。结果所有患儿的CAF均能清晰显示起源、走向与引流情况,确诊为CAF的12例,以CAG作为金标准,CTCA的灵敏度为92.31%,特异度为100%,诊断准确率为92.31%。13例患儿起源于右侧冠状动脉6例(46.15%),左侧4例(30.76%),两侧3例(23.07%)。引流至左心5例(38.46%),右心3例(23.07%),肺动脉4例(30.76%)。结论 128层螺旋CTCA能够准确显示CAF的情况并判定严重程度,具有较高的临床价值。
Objective To investigate the clinical effect of 128-slice spiral CT coronary angiography (CTCA) in the diagnosis of pediatric coronary artery fistula (CAF). Methods Thirteen children with suspected coronary artery fistula were examined by CTCA and underwent coronary angiography (CAG) within two weeks. Results The CAF of all children clearly showed the origin, course and drainage. Of the 12 cases diagnosed as CAF, the sensitivity and specificity of CTCA were 92.31%, 100% and 92.31%, respectively. Thirteen cases originated from the right coronary artery in 6 cases (46.15%), left side in 4 cases (30.76%) and left side in 3 cases (23.07%). The drainage to the left heart in 5 cases (38.46%), right heart in 3 cases (23.07%), pulmonary artery in 4 cases (30.76%). Conclusion 128-slice CTCA can accurately show the status of CAF and determine the severity, with high clinical value.