Vasculopathic hepatotoxicity associated with E-Ferol syndrome in low-birth-weight infants.
A fatal syndrome characterized by progressive clinical deterioration with unexplained thrombocytopenia, renal dysfunction, cholestasis, and ascites developed in certain infants throughout the United States who had received E-Ferol, an intravenous vitamin E supplement. We reviewed the clinical course of all 36 infants from one (index) nursery who had received E-Ferol, which contains 25 units per milliliter of dl-alpha-tocopheryl acetate solubilized with 9% polysorbate 80 and 1% polysorbate 20. The syndrome was recognized in eight of the 36 infants; affected infants had a lower birth weight (less than 1,200 g) and had received a higher total dose of E-Ferol for longer periods than the unaffected cases. We reviewed autopsy-derived tissue from 20 infants (six from the index nursery and 14 from three other collaborating nurseries) who had received the intravenous vitamin E preparation in a reported dose of 25 to 137 units/kg/day for six to 45 days between October 1983 and March 1984. The hepatic histology in the affected cases indicated a progressive injury characterized initially by Kupffer cell exfoliation, central lobular accumulation of cellular debris, and centrally accentuated panlobular congestion. Prolonged exposure to E-Ferol was associated with progressive intralobular cholestasis, inflammation of hepatic venules, and extensive sinusoidal veno-occlusion by fibrosis. We propose that vasculocentric hepatotoxicity is the basis for the observed clinical syndrome that represents the cumulative effect of one or more of the constituents of E-Ferol.[1]References
- Vasculopathic hepatotoxicity associated with E-Ferol syndrome in low-birth-weight infants. Bove, K.E., Kosmetatos, N., Wedig, K.E., Frank, D.J., Whitlatch, S., Saldivar, V., Haas, J., Bodenstein, C., Balistreri, W.F. JAMA (1985) [Pubmed]
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