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Unveiling triglyceride levels in preterm neonates: a study to guide targeted monitoring.
Minerva pediatrics. 2023 December 22
BACKGROUND: Mixed lipid emulsion (MLE), most commonly soybean, medium chain triglycerides, olive, and fish oils (SMOF), has replaced soybean-based lipid emulsions in many neonatal intensive care units. Only a few studies report the triglyceride (TG) trajectory in neonates receiving MLE. We designed a study to compare TG levels in neonates receiving MLE stratified by gestational age (GA), birth weight (BW), and growth restriction status.
METHODS: We included neonates born at <32 weeks GA or with BW <1500 gm. SMOF is started on admission, and plasma TG levels are measured 24 hours after 2 gm/kg/day and 24 hours after 3 gm/kg/day. TG levels were compared across groups defined by GA (<28 weeks vs. 3 28 weeks), BW (<1000 gm vs. 3 1000 gm), and small for GA (SGA) vs. appropriate plus large for GA groups using the Wilcoxon rank sum test.
RESULTS: From 2018 to 2021, 427 infants met the inclusion criteria. TG levels were significantly higher in neonates with GA <28 weeks, BW <1000 grams, and SGA with a notable broad distribution of TG levels. Logistic regression analysis confirmed SGA and BW as significant independent predictors of hypertriglyceridemia after SMOF at 2 gm/kg/day and 3 gm/kg/day, respectively.
CONCLUSIONS: The study emphasizes the importance of TG monitoring for neonates with GA <28 weeks, BW <1000 grams, and SGA. Conversely, it is advisable to individualize TG monitoring for infants with GA>28 weeks, BW>1000 grams, and non-SGA status. Prospective studies with larger sample sizes are warranted to validate our findings.
METHODS: We included neonates born at <32 weeks GA or with BW <1500 gm. SMOF is started on admission, and plasma TG levels are measured 24 hours after 2 gm/kg/day and 24 hours after 3 gm/kg/day. TG levels were compared across groups defined by GA (<28 weeks vs. 3 28 weeks), BW (<1000 gm vs. 3 1000 gm), and small for GA (SGA) vs. appropriate plus large for GA groups using the Wilcoxon rank sum test.
RESULTS: From 2018 to 2021, 427 infants met the inclusion criteria. TG levels were significantly higher in neonates with GA <28 weeks, BW <1000 grams, and SGA with a notable broad distribution of TG levels. Logistic regression analysis confirmed SGA and BW as significant independent predictors of hypertriglyceridemia after SMOF at 2 gm/kg/day and 3 gm/kg/day, respectively.
CONCLUSIONS: The study emphasizes the importance of TG monitoring for neonates with GA <28 weeks, BW <1000 grams, and SGA. Conversely, it is advisable to individualize TG monitoring for infants with GA>28 weeks, BW>1000 grams, and non-SGA status. Prospective studies with larger sample sizes are warranted to validate our findings.
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