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Evaluation and treatment of hypernatremia: a practical guide for physicians
George Liamis1, Theodosios D Filippatos1, Moses S Elisaf1
1a Department of Internal Medicine , School of Medicine, University of Ioannina , Ioannina , Greece.
Postgraduate Medicine
|January 28, 2016
Summary
Hypernatremia, a common electrolyte disorder, significantly increases risks in elderly and critically ill patients. Proper diagnosis and treatment are vital to prevent poor patient outcomes from sodium level correction errors.
Area of Science:
- Nephrology
- Internal Medicine
- Critical Care Medicine
Background:
- Hypernatremia (serum sodium >145 mEq/L) is a prevalent electrolyte disturbance.
- It is associated with significant morbidity and mortality, particularly in elderly and critically ill populations.
Purpose of the Study:
- To review the primary pathogenetic mechanisms of hypernatremia.
- To provide guidelines for evaluating patients with elevated serum sodium.
- To present a detailed algorithm for correcting hypernatremia.
Main Methods:
- Literature review focusing on hypernatremia pathogenesis, evaluation, and treatment.
- Inclusion of two case studies (hypovolemic and hypervolemic hypernatremia) with practical management insights.
Main Results:
- The review outlines key mechanisms driving hypernatremia.
- Specific diagnostic and treatment algorithms are detailed.
- Case studies illustrate practical application of evaluation and management strategies.
Conclusions:
- Accurate diagnosis and timely, appropriate treatment of hypernatremia are critical.
- Both undercorrection and overcorrection of serum sodium levels are linked to adverse patient prognoses.
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