新生儿持续肺动脉高压 (PPHN)是一种与一系列心肺疾病相关联的综合征 ,以明显的肺动脉高压及血管反应性异常为特征 ,并导致动脉导管和卵圆孔水平的右向左分流和严重低氧血症 ,并常对吸氧及血管扩张剂等治疗缺乏良好的反应。我科自1996年 5月～ 2 0 0 2年 12月从住院病人青紫的 Pulmonary Hypertension (PPHN), a neonatal continuum, is a syndrome associated with a range of cardiopulmonary diseases characterized by overt pulmonary hypertension and vascular reactivity and leads to right-to-left shunt of the patent ductus arteriosus and foramen ovale and Severe hypoxemia, and often on oxygen and vasodilators and other treatment of the lack of good response. Our department from May 1996 ~ December 2002 from the bruising of inpatients