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Published on: April 24, 2017
Renal adaptive changes and sodium handling in the fetal-to-newborn transition
1Department of Pediatrics, University of Iowa Carver College of Medicine, University of Iowa Children's Hospital, Iowa City, IA, USA.
Insights
Maintaining proper sodium balance is crucial for premature and sick infants. This review covers how infant kidneys handle salt and water, offering clinical guidelines for sodium provision.
Area of Science:
- Neonatology
- Pediatric Nephrology
- Physiology
Background:
- Optimal fluid and electrolyte management is essential for vulnerable infants.
- Understanding developmental changes in renal function is key for appropriate care.
- Sodium homeostasis is critical during fetal and postnatal development.
Purpose of the Study:
- To review the principles of sodium homeostasis in fetal and postnatal life.
- To highlight the physiology of renal tubular transport and its regulation.
- To discuss clinical implications and guidelines for sodium provision in neonates.
Main Methods:
- Review of current literature on renal physiology and sodium balance.
- Focus on developmental changes in renal water and salt handling.
- Integration of neurohumoral factors affecting renal function.
Main Results:
- Detailed examination of renal tubular transport mechanisms.
- Explanation of neurohumoral influences on sodium regulation.
- Identification of critical factors for sodium homeostasis in infants.
Conclusions:
- Appropriate sodium management requires understanding developmental physiology.
- Clinical guidelines are necessary for providing sodium to vulnerable infants.
- Further research may refine optimal sodium provision strategies.
Abstract:
Appropriate fluid and electrolyte management is critical for optimal care of very low birth weight or sick infants. Delivery of such care requires an understanding of developmental changes in renal water and salt handling that occur with advancing gestational age as well as postnatal age. This review focuses on the principles of sodium homeostasis during fetal and postnatal life. The physiology of renal tubular transport mechanisms, as well as neurohumoral factors impacting renal tubular transport are highlighted. Clinical implications and guidelines to the provision of sodium to this vulnerable population are also discussed.
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