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孕妇26岁,孕1产0,孕37周。胎儿超声心动图提示右冠状动脉(right coronary artery,RCA)-右心室(right ventricle,RV)瘘。二维超声示RV扩张,内径32 mm;RCA明显扩张,内径9mm,于RV前壁近三尖瓣根部处进入RV,瘘口直径5 mm(图1A)。CDFI示瘘口处高速湍流(图1B),主动脉弓处可探及舒张期反向湍流。孕妇于孕39周自然分娩一男婴,体质量2.9 kg;Apgar评分1、5、
Pregnant women 26 years old, pregnant and a 0, 37 weeks pregnant. Fetal echocardiography prompted right coronary artery (RCA) - right ventricular (RV) fistula. Two-dimensional ultrasound showed expansion of the RV with an internal diameter of 32 mm. The RCA conspicuously expanded with an internal diameter of 9 mm and entered the RV near the anterior tricuspid root with a diameter of 5 mm (Fig. 1A). CDFI showed high-speed turbulent flow at the fistula mouth (Figure 1B), aortic arch exploration and diastolic reverse turbulence. Pregnant women in the 39th week of pregnancy spontaneous delivery of a baby boy, body weight 2.9 kg; Apgar score 1,5,