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Nutrition of the preterm infant with persistent ductus arteriosus: existing evidence and practical implications

Abstract

The persistence of a patent ductus arteriosus (PDA) is a common condition in preterm infants with a prevalence inversely proportional to gestational age. PDA is associated with mild-to-severe gastrointestinal complications such as feeding intolerance, gastrointestinal perforation, and necrotizing enterocolitis, which represent a major challenge for the nutritional management in preterm infants. In this context, the Section on Nutrition, Gastroenterology and Metabolism and the Circulation Section of the European Society for Pediatric Research have joined forces to review the current knowledge on nutritional issues related to PDA in preterm infants. The aim of the narrative review is to discuss the clinical implications for nutritional practice. Because there is little literature on postnatal nutrition and PDA in preterm infants, further research with well-designed studies on this topic is urgently needed. Guidelines should also be developed to clearly define the implementation and course of enteral nutrition and the target nutritional intake before, during, and after pharmacologic or surgical treatment of PDA, when indicated.

Impact

  • Persistent ductus arteriosus (PDA) is associated with gastrointestinal complications such as feeding intolerance, gastrointestinal perforation, and necrotizing enterocolitis, which pose a major challenge to the nutritional management of preterm infants.

  • In PDA infants, fluid restriction may lead to inadequate nutrient intake, which may negatively affect postnatal growth and long-term health.

  • The presence of PDA does not appear to significantly affect mesenteric blood flow and splanchnic oxygenation after enteral feedings. Initiation or maintenance of enteral nutrition can be recommended in infants with PDA.

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Fig. 1: After birth, the pulmonary vascular resistance drops and the systemic vascular resistance increases, a left-to-right shunt develops with an augmentation of the ductal blood flow.

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Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study.

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C.L., A.E.-K., S.I., and A.L. drafted the manuscript. C.F. provided important scientific contribution. All authors and all the members of the ESPR Nutrition council members reviewed or approved the final manuscript. The corresponding author attests that all listed authors meet authorship criteria and that no others meeting the criteria have been omitted.

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Lembo, C., El-Khuffash, A., Fusch, C. et al. Nutrition of the preterm infant with persistent ductus arteriosus: existing evidence and practical implications. Pediatr Res (2023). https://doi.org/10.1038/s41390-023-02754-4

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