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十二指肠引流液胆红素定量及胆酸定性，鉴别婴儿肝炎（ＩＨ）或胆道闭锁（ＢＡ）。５６例日龄平均６３天的梗阻性黄疸婴儿共作十二指肠引流液检查７０次。十二指肠引流液最终胆汁阳性３０例，黄疸均消退，均符合ＩＨ；最终胆汁阴性２５例，手术均证实为ＢＡ；仅１例胆汁阴性者术中发现肝外胆管通畅但穿刺无胆汁，肝活检提示为毛细胆管性肝炎。十二指肠引流液胆汁检查与最后诊断的符合率为９８．２１％（５５／５６）。十二指肠引流液胆汁检测鉴别ＩＨ或ＢＡ简便、快速、安全、准确，是早期鉴别ＩＨ或ＢＡ具有特异性的诊断方法。
Duodenal drainage liquid bilirubin quantitative and bile acid qualitative, identification of infant hepatitis (Ih) or biliary atresia (BA). Fifty-six infants with obstructive jaundice, averaged 63 days old, performed a total of 70 drainage tests of the duodenum. Duodenal drainage final bile positive in 30 cases, jaundice were subsided, are consistent with IH; the final bile negative in 25 cases, the operation was confirmed as BA; only 1 case of bile negative intraoperative and extrahepatic bile duct patency but puncture without bile, Liver biopsy prompted for bile capillary hepatitis. The coincidence rate of duodenal drainage fluid bile examination and final diagnosis was 98.21% (55/56). Duodenal drainage fluid bile detection Identification of IH or BA is simple, fast, safe and accurate, is an early identification of IH or BA has a specific diagnostic method.