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DOI: 10.1055/s-0039-1692390
Head Circumference Growth Is Enhanced by SMOFlipid in Preterm Neonates
Funding None.![](https://www.thieme-connect.de/media/ajp/202011/lookinside/thumbnails/10-1055-s-0039-1692390_190099-1.jpg)
Abstract
Background Suboptimal fat intake during the early postnatal weeks significantly affects brain growth and maturation. Studies to date have focused on the quantity rather than the quality of fat intake.
Objective We hypothesized that early nutrition of premature neonates should also include optimization of the type of fat intake, and thus those receiving SMOFlipid, a balanced multicomponent lipid emulsion, would have improved head growth as measured by head circumference (HC) at discharge.
Study Design We retrospectively reviewed HC in infants weighing <1,500 g who were hospitalized for two or more weeks during a 20-month period, in which all preterm infants received fat as Lipofundin, and the following 20-month period, in which all such infants received SMOFlipid.
Lipids were dosed up to 3 g/kg/day and reduced as enteral nutrition progressed. Parenteral fish oil (Omegaven) was permitted as rescue therapy during both periods.
Results Period 2 infants had better head growth (0.79 [0.69,0.90] vs. 0.75 [0.64,0.86] cm/week; p = 0.0158). More infants reached discharge with an HC of ≥50 percentile (51 vs. 31%; p = 0.0007), and fewer infants had an HC of ≤3 percentile (11 vs. 14%; p = 0.023). Median length of stay was reduced by more than 1 week.
A multivariable regression was performed using the weekly increase in HC as the dependent variable, and the time epoch, birth weight, gestational age, hospitalization days, and gender as independent variables. Only the time epoch and days of hospitalization were significant (both p < 0.0001).
Conclusion Our data offer preliminary evidence of improved brain growth in those receiving a balanced lipid emulsion as compared with a soybean oil emulsion.
Keywords
perinatal nutrition - total parenteral nutrition - long-chain polyunsaturated fatty acids - head circumference - SMOFlipidAuthors' Contributions
A.B.-N designed the research (project conception, development of overall research plan). Y.K. contributed to the project conception and data collection. F.B.M. assisted in analyzing the data and writing the paper. C.H. designed the research (project conception, development of overall research plan, and study oversight), analyzed the data, performed the statistical analysis, wrote the paper, and has primary responsibility for the final content.
* These authors contributed equally as first authors.
Publication History
Received: 25 February 2019
Accepted: 30 April 2019
Article published online:
05 June 2019
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