AI Article Synopsis
- The study investigates the effects of switching from olive/soybean-based lipid emulsions to fish oil-based emulsions in patients receiving parenteral nutrition who developed elevated GGT levels.
- The randomized trial found that patients on fish oil had significantly lower levels of GGT and phytosterols after 7 days compared to those who continued with the olive/soybean emulsions.
- Results indicate that using fish oil-based emulsions may offer a safer and more effective approach to managing liver function during parenteral nutrition.
Article Abstract
Objectives: Fish oil (FO)-based lipid emulsions (LEs) have been reported to prevent hepatic dysfunction in patients treated with parenteral nutrition (PN). We studied patients with alterations of γ-glutamyl transferase (GGT) associated with the administration of PN containing olive/soybean (O/S)-based LE. The aim of this study was to determine whether the strategy of reducing the lipid dose by 50%, by changing to an FO-based LE, reduced plasma levels of phytosterols (PS) and GGT more effectively and safely, than the strategy of reducing lipid contribution by 50% while maintaining the same LE composition.
Methods: A randomized double-blind clinical trial was carried out in patients with normal initial GGT, who after a minimum of 1 wk of daily PN (0.8 g/kg of O/S-based LE) presented with GGT values twice the upper normal value. At the time of randomization 1:1, lipids were reduced to 0.4 g/kg daily. Group A maintained O/S LE and group B changed to FO LE. The primary endpoints were reduction of plasmatic PS and GGT on day 7 after randomization, performed in the study population per protocol by Student's t test and simple linear regression. Secondary outcomes included alkaline phosphatase (AP), alanine transaminase (ALT), and total bilirubin (BIL), and safety variables.
Results: Nineteen patients were included. On day 7 after randomization, GGT and AP values were higher in the O/S group (n = 10; GGT: median [Med], 4.99; interquartile range [IQR], 4.09; AP: Med, 2.59 μkat/L; IQR 1.74) than in the FO group (n = 9; GGT: Med, 2.26 μkat/L; IQR, 1.07; AP: Med, 1.2 μkat/L; IQR 1.44). Although there were no differences in ALT and BIL values, the ALT decrease was larger and more statistically significant in the FO group than in the O/S group (P = 0.009). Total PS (Med, 21.10 μg/mL; IQR, 5.50) in the O/S group was higher than in the FO group (Med, 13.4 μg/mL; IQR, 10.65; P = 0.002). Significant decreases in PS and their fractions were observed, with the exception of campesterol and stigmasterol.
Conclusion: Plasma accumulation of PS and high values of GGT, AP, and ALT can be prevented with the exclusive administration of FO-based LE.
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| http://dx.doi.org/10.1016/j.nut.2019.110587 | DOI Listing |
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