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Hypernatraemia in early infancy.

I Amirlak1, K Dawson

  • 1Department of Paediatrics, Faculty of Medicine and Health Sciences, UAE University, Al Ain, United Arab Emirates. iradj.amirlak@uaeu.ac.ae

Annals of Tropical Paediatrics
|November 7, 2000
PubMed
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Severe hypernatraemia (serum sodium > 150 mmol/l) remains common in tropical regions. This study details two infant cases, highlighting causes like poor fluid intake and high solute intake, and reviews management strategies.

Area of Science:

  • Pediatrics
  • Internal Medicine
  • Environmental Health

Background:

  • Hypernatraemia, characterized by serum sodium levels exceeding 150 mmol/l, is a frequent clinical challenge, particularly in tropical environments.
  • Infants are especially vulnerable due to their higher body water content and immature regulatory mechanisms.

Observation:

  • Two infant cases of severe hypernatraemia are presented.
  • Case 1 involved poor fluid intake and excessive wrapping, leading to dehydration.
  • Case 2 was associated with a high solute intake, overwhelming the infant's water balance.

Findings:

  • The study outlines the pathophysiology of hypernatraemia, including sodium overload, inadequate water intake, and excessive water losses (renal and non-renal).
  • Essential hypernatraemia is also discussed as a potential cause.

Related Experiment Videos

  • Literature review supports these multifactorial causes in pediatric populations.

    • Implications:

    • Understanding these diverse causes is crucial for timely diagnosis and effective management of hypernatraemia in infants.
    • Clinical awareness and prompt intervention can prevent severe complications associated with electrolyte imbalances.
    • This review provides an updated perspective on the current evidence-based management of hypernatraemia.