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  • Title: Predictive Value of the Aspartate Aminotransferase to Platelet Ratio Index for Parenteral Nutrition-Associated Cholestasis in Premature Infants With Intestinal Perforation.
    Author: Vongbhavit K, Underwood MA.
    Journal: JPEN J Parenter Enteral Nutr; 2018 May; 42(4):797-804. PubMed ID: 28792861.
    Abstract:
    BACKGROUND: Parenteral nutrition-associated cholestasis (PNAC) is a major cause of morbidity and mortality in premature infants. Early predictors of PNAC would have clinical value. We sought to evaluate risk factors and liver function testing as predictors of PNAC in premature infants with intestinal perforation. METHODS: Medical records of infants with a gestational age <34 weeks, birth weight <2000 g, and intestinal perforation due to either necrotizing enterocolitis or spontaneous intestinal perforation were reviewed. We analyzed clinical data and the maximum values of the aspartate aminotransferase (AST) to platelet ratio index (APRI), alanine aminotransferase (ALT), AST to ALT ratio, and total bilirubin (TB). RESULTS: Sixty infants were identified, 17 infants with PNAC and 43 infants without PNAC. Sepsis, time to initiation of enteral feeds after perforation, and duration of PN were associated with PNAC. Within 2 weeks following intestinal perforation, APRI, ALT, and TB each differed significantly between infants who later developed PNAC and those that did not. The best APRI cut-point was 0.4775 within 2 weeks after perforation (area under the receiver operating characteristic curve, 0.90; positive predictive value, 85%; and negative predictive value, 87%); the cut-point for ALT was 13.5 (0.90, 85%, 84%), and the cut-point for TB was 3.55 (0.82, 69%, 83%), respectively, at 2 weeks after perforation. AST to ALT ratio did not differ between groups. CONCLUSIONS: APRI and ALT had reasonable predictive value for PNAC in premature infants with intestinal perforation, with the APRI the best predictor within 2 weeks after perforation.
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