急性肾功能衰竭 (ＡＲＦ)病因复杂 ,新生儿刚脱离胎盘循环代谢 ,往往症状不典型 ,体征不明显 ,又常被其它危重症状所掩盖 ,极易漏诊。新生儿无论尿量多少 ,当血浆肌酐132 6 μｍｏｌ/Ｌ(1 5ｍｇ/ｄＬ)或在出生后 5～ 7天血浆肌酐未能降低到母亲水平以下或以 2 6 .5 μｍｏｌ/ The cause of acute renal failure (ARF) is complex. The newborn has just released from the placental circulation metabolism, often atypical symptoms, signs are not obvious, and often obscured by other critical symptoms, easily missed diagnosis. Neonates regardless of urine output, when plasma creatinine 132 6 μmol / L (15mg / dL) or 5 to 7 days after birth failed to reduce plasma creatinine below the level of mothers or 26.5μmol /