1969年Gersony等报告2例无心肺异常,但呈显著青紫、肺动脉高压,动脉导管开放有大量右→左分流的病例,他们从生后仍具有某些胎儿循环特征这个意义上考虑,将这类病例称为持续性胎儿循环综合征(Persistent fetal circulation, PFC)。所谓PFC系指从胎儿循环演变为生后循环的适应过程发生障碍,出生后在动脉导管和卵圆孔水平仍持续存在右→左分流,临床呈现明显紫绀,并能除外由青紫型先天性心脏病所致者。本症并非少见,随着病例的 In 1969, Gersony et al reported 2 cases of no cardiopulmonary abnormalities but significant cyanosis, pulmonary hypertension, and patent ductus arteriosus with a large number of right-left shunts. In the sense that they still had certain fetal circulatory characteristics after birth, Case is called Persistent fetal circulation syndrome (PFC). The so-called PFC refers to the evolution of the fetus from circulation to adapt to the cycle of birth after the birth of an obstacle to the process of birth in the ductus arteriosus and foramen ovale levels continue to exist right → left shunt, the clinical manifestations of cyanosis, and can be excluded from the cyanotic congenital heart Caused by the disease. The disease is not uncommon, with the case