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１ 临床资料 患儿，男性，１１岁。自幼紫绀，活动后心慌、胸闷，蹲踞，确诊为法乐四联症。１９９３年首次手术中见右冠状动脉发育异常，横跨右室流出道，无法行右室流出道加宽补片而放弃手术。因症状加重于１９９９年５月入我院要求手术治疗。入院查体：皮肤及口唇紫绀，心
1 clinical data children, men, 11 years old. Cyanosis since childhood, after the event palpitation, chest tightness, squatting, diagnosed with tetralogy of Falloch. In 1993, the first operation showed abnormalities in the right coronary artery, across the right ventricular outflow tract, and no right ventricular outflow tract to widen the patch to give up surgery. As the symptoms worsened in May 1999 into our hospital for surgery. Admission examination: skin and lips cyanosis, heart