病例 例1,男,2天,因生后哭声低1天余,双下肢硬肿半天入院。系G2P2,孕38周,因胎盘老化,在外院剖宫产娩出,术中发现羊水污染,产时有窒息。查体:体重3000g,头围32cm。体温38℃。神清,哭声低。皮肤无黄染。前囱平软1.5cm×1.5cm,骨缝闭。心肺较正常。双下肢、下肢部、会阴部硬肿水肿。四肢肌张力正常,条件反射减弱。入院诊断新生儿硬肿症,新生儿缺氧血性脑病。予置暖箱,预防感染,营养支持等综合治疗,体温正常,硬肿减轻,第7天右腋下皮肤见有一暗褐色溃疡面,深达皮下2cm×2.5cm,界清,周围皮肤红肿。第8天右腋下皮肤呈黑色,并发热、抽搐,诊为新生儿皮下坏疽,取坏死组织少量送培养+药敏。第10天前囱饱 Case 1, male, 2 days, after crying more than 1 day after birth, double lower extremity edema admitted to hospital. Department of G2P2, 38 weeks pregnant, due to aging of the placenta, cesarean delivery in the hospital, intraoperative amniotic fluid contamination found during asphyxia. Physical examination: weight 3000g, head circumference 32cm. Body temperature 38 ℃. Clear, low cry. No skin yellow dye. Before the chimney soft 1.5cm × 1.5cm, suture closure. Cardiopulmonary than normal. Lower limbs, lower extremities, perineal sclerosis edema. Limb muscle tone normal, weakened condition reflex. Admission diagnosis of neonatal scleredema, neonatal hypoxic-ischemic encephalopathy. Preventive warm box, prevention of infection, nutritional support and other comprehensive treatment, normal body temperature, edema to reduce the right axillary skin on the seventh day to see a dark brown ulcer surface, deep subcutaneous 2cm × 2.5cm, clear, around the skin redness. The right underarm skin on the 8th day was black, and fever, convulsions, diagnosed as neonatal subcutaneous gangrene, necrosis tissue to send a small amount of culture + drug sensitivity. Chimney full 10 days ago