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  • Title: Effect of phenobarbital on 99mTc-IDA scintigraphy in the evaluation of neonatal jaundice.
    Author: Majd M, Reba RC, Altman RP.
    Journal: Semin Nucl Med; 1981 Jul; 11(3):194-204. PubMed ID: 7280702.
    Abstract:
    Hepatobiliary scintigraphy with 99mTc-IDA derivatives was used to evaluate 40 neonates with mixed jaundice. Fourteen patients proved to have biliary atresia. The remaining 26 patients had intrahepatic cholestasis with patent extrahepatic ducts. Sixteen of the 40 patients underwent examinations without phenobarbital stimulation. Sixteen patients had two examinations, one before and one after 3-7 days of phenobarbital therapy. The remaining 8 patients had their initial examinations after phenobarbital therapy. The results of this study show that administration of phenobarbital in a dose of 5 mg/kg/day for at least 5 days prior to the examination enhances and accelerates biliary excretion of IDA compounds and thereby significantly increases the accuracy of 99mTc-IDA scintigraphy in differentiating extrahepatic biliary atresia from neonatal hepatitis. Its routine use in the evaluation of neonatal jaundice is therefore highly recommended.
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