Postnatal enteral plasma supplementation following birth asphyxia increases fluid retention and kidney health in newborn pigs

Abstract Birth asphyxia can result in kidney dysfunction, disturbances in systemic electrolytes and fluid balance in newborns. Currently, there is no proven dietary approach to support asphyxiated newborns. This study investigates whether oral plasma supplementation improves kidney function and over...

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Main Authors: Jingren Zhong, Stanislava Pankratova, Richard Doughty, Christoffer Kirkelund Flyger, Per Torp Sangild, Kerstin Skovgaard, Henrik Elvang Jensen, Duc Ninh Nguyen, Thomas Thymann
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Physiological Reports
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Online Access:https://doi.org/10.14814/phy2.70238
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Summary:Abstract Birth asphyxia can result in kidney dysfunction, disturbances in systemic electrolytes and fluid balance in newborns. Currently, there is no proven dietary approach to support asphyxiated newborns. This study investigates whether oral plasma supplementation improves kidney function and overall health in asphyxiated newborns. Cesarean‐delivered near‐term pigs with or without an 8 min intrauterine clamping of the umbilical cord were fed a milk replacer dissolved in water for 24 h in Experiment 1. Pigs were fed 72 h with milk replacers dissolved in either maternal plasma or water in Experiment 2. Blood, urine, and kidney tissue were collected for further analyses. Asphyxia disrupted blood electrolyte balance. And plasma feeding led to higher fluid retention for both asphyxiated and control pigs. Additionally, plasma feeding may also affect kidney development and protect kidneys from asphyxia induced impairments. Birth asphyxia in pigs led to immediate disturbance of electrolyte balance, impaired fluid retention, and kidney impairments. Plasma feeding may improve postnatal newborn hydration and may also improve the condition of kidneys following asphyxia.
ISSN:2051-817X