【名词&注释】
肺动脉闭锁(pulmonary atresia)、室间隔缺损修补术(repair of ventricular septal defect)、肺动脉瓣(pulmonary valve)、肺动脉环(pulmonary arterial rings)、肺动脉直径(pulmonary artery diameter)、主肺动脉(main pulmonary artery)、肺动脉融合、可选择的(optional)、右肺动脉(right pulmonary artery)、左肺动脉(left pulmonary artery)
[填空题]患儿女,4岁,因口唇紫绀就医,身体发育及活动量较同龄人差,查体:血压80/60mmHg,脉搏血氧饱和度73%,心率120次/分,律齐,双肺呼吸音清。
(提示 患儿体重15kg,超声提示:右室壁增厚,左心内径小,室间隔干下部回声脱失约10mm,主动脉增宽,骑跨于室间隔之上,骑跨率约50%,肺动脉瓣及主肺动脉近端闭锁,主肺动脉延续为右肺动脉(right pulmonary artery),动脉导管远端延续为左肺动脉(left pulmonary artery),左室舒张末径20mm,右室前后径24mm,主肺动脉直径4mm,左肺动脉(left pulmonary artery)直径3mm,右肺动脉(right pulmonary artery)直径4mm。)可选择的(optional)术式是( )