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新生儿青紫按病因分为生理性和病理性二类：后者因还原血红蛋白增多又分为中央性和周围性二种。本文就CFM对新生儿中央性青紫进行评价。225例新生儿中央性青紫中，心源性青紫95例，占42．7％，主要由各种复合性心脏畸形所致。肺源性青紫130例，占57.3％，主要由肺部疾患及新生儿窒息所致，少数由持续胎儿循环引起。患儿均有不同程度的青紫（平均SaO279．2％），气急者74．7％，心脏杂音者61．7％，经CFM检查，心源性紫绀中TGA占首位（45．2％），肺动脉闭锁或严重肺动脉狭窄居第二位（17.9％），危重型法洛氏心脏畸形为第三位（13．7％）。肺源性紫绀中，肺炎合并缺血缺氧性脑病居首位，其次为RDS合并缺血缺氧性脑病，居第三位是RDS伴呼吸衰竭。持续胎儿循环占9．2％。CFM为新生儿中央性青紫的首选检查手段。
Neonatal bruising according to the cause is divided into two types of physiological and pathological: the latter due to increased hemoglobin reduction is divided into two kinds of central and peripheral. In this paper, CFM neonatal central bruising evaluation. In 225 neonates with central cyanosis, 95 cases of cardiogenic cyanosis accounted for 42.7%, mainly due to various complex cardiac malformations. Lung-derived bruising in 130 cases, accounting for 57.3%, mainly caused by lung disease and neonatal asphyxia, a small number caused by sustained fetal circulation. Children with varying degrees of bruising (mean SaO27.2%), 74.7% of those with shortness of breath and 61.7% of patients with heart murmur had the highest proportion (45.2%) of TGA in cardial cyanosis by CFM examination, Pulmonary atresia or severe pulmonary stenosis was the second (17.9%), and critically ill patients with Crohn’s heart malformations were third (13.7%). Lung-derived cyanosis, pneumonia with hypoxic-ischemic encephalopathy ranks first, followed by RDS with hypoxic-ischemic encephalopathy, third place is RDS with respiratory failure. Continuous fetal circulation accounted for 9.2%. CFM is the first choice for neonatal check-ups.