足月新生儿出现持续胎儿循环(PFC)并不罕见。其原因常不清楚。窒息、胎粪吸入或感染均可引起。通常 PFC 的治疗在于机械呼吸、过度通气、高氧吸入以及给予肺血管扩张剂,如妥拉苏林、前列环素等。妥拉苏林的副作用除了血压下降外,胃肠道出血也有报道。作者报告一足月新生儿,因分娩停滞,疑有羊水 It is not uncommon for term newborns to have persistent fetal circulation (PFC). The reason is often unclear. Suffocation, meconium aspiration or infection can cause. Usually PFC treatment is mechanical breathing, hyperventilation, inhalation of hyperoxia and pulmonary vasodilators, such as tore sulindac, prostacyclin and so on. Side effects of tolazulin in addition to blood pressure, gastrointestinal bleeding have also been reported. The author reports a full-term newborn, due to stagnation of labor, suspected of amniotic fluid