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Phenylacetate and benzoate clearance in a hyperammonemic infant on sequential hemodialysis and hemofiltration.

Author(s): Bunchman TE, Barletta GM, Winters JW, Gardner JJ, Crumb TL, McBryde KD

Affiliation(s): Pediatric Nephrology, Dialysis and Transplantation, Helen DeVos Children's Hospital, Grand Rapids, MI, USA. timothy.bunchman@devoschildrens.org

Publication date & source: 2007-07, Pediatr Nephrol., 22(7):1062-5. Epub 2007 Feb 3.

Publication type: Case Reports

An infant with a suspected inborn metabolism error was treated with a metabolic cocktail of intravenous sodium phenylacetate (NaPh) and sodium benzoate (NaBz) for hyperammonemia. Sequential hemodialysis (HD) then hemofiltration (HF) was performed due to hyperammonemia. Dialytic and convective clearance (K; ml/min) of ammonia, NaPh, and NaBz was measured. The K of ammonia was 57 and 37 for HD and HF, respectively. The K of NaBz was 37 and 12 for HD and HF, respectively. The K of NaPh was 38 and 14 ml/min for HD and HF, respectively. Despite high clearance of both NaPh and NaBz by HD and HF, the hyperammonemia was corrected.

Page last updated: 2007-08-04

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