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JPEN J Parenter Enteral Nutr. 2019 Feb 12. doi: 10.1002/jpen.1522. [Epub ahead of print]

Use of Concentrated Parenteral Nutrition Solutions Is Associated With Improved Nutrient Intakes and Postnatal Growth in Very Low-Birth-Weight Infants.

Author information

1
Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden.
2
Department of Food and Nutrition, Umeå University, Umeå, Sweden.

Abstract

BACKGROUND:

Evidence showing the beneficial effects of enhanced parenteral nutrition (PN) to very low-birth-weight (VLBW, <1500 g) infants is accumulating. However, PN composition and its impact on growth outcomes are questioned. This study aimed to investigate the associations between administration of a concentrated PN regime and intakes of energy and macronutrients as well as postnatal growth in VLBW infants.

METHODS:

We compared 2 cohorts of VLBW infants born before (n = 74) and after (n = 44) a concentrated PN regime was introduced into clinical use. Daily nutrition and fluid intake during the first 28 postnatal days and all available growth measurements during hospitalization were retrospectively collected from clinical charts.

RESULTS:

Infants who received concentrated PN compared with original PN had higher parenteral intakes of energy (56 vs 45 kcal/kg/d, P < 0.001), protein (2.6 vs 2.2 g/kg/d, P = 0.008), and fat (1.5 vs 0.7 g/kg/d, P < 0.001) during the first postnatal week. Changes in standard deviation scores for weight and length from birth to postnatal day 28 were more positive in the concentrated PN group (mean [95% CI]; weight change: -0.77 [-1.02 to -0.52] vs -1.29 [-1.33 to -1.05], P = 0.005; length change: -1.01 [-1.36 to -0.65] vs -1.60 [-1.95 to -1.25], P = 0.025). There were no significant differences in fluid intake and infant morbidity between the groups.

CONCLUSION:

Our results suggest that concentrated PN is useful and seems to be safe for improving early nutrition and growth in VLBW infants.

KEYWORDS:

amino acids; energy intake; nutrient intakes; parenteral nutrition; postnatal growth; very low-birth-weight infants

PMID:
30747444
DOI:
10.1002/jpen.1522

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