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支气管肺发育不良(BPD)是婴儿慢性疾病。其特征为在新生儿时期氧疗和那气治疗后出现呼吸艰难及依赖吸氧持续至1个月龄以上。通过组织学、超声心动图和心导管检查资料证实婴儿BPD可发生肺高压和肺原性心脏病,而且肺高压对BPD的发病率和病死率起重要作用。
Bronchopulmonary dysplasia (BPD) is a chronic condition in infants. It is characterized by difficult breathing and oxygen-dependent persistence up to 1 month or more after neonatal oxygen therapy and thalassemia treatment. Histopathology, echocardiography, and cardiac catheterization data confirm pulmonary hypertension and pulmonary heart disease in infants with BPD, and pulmonary hypertension can have an important role in BPD morbidity and mortality.