Hyponatremia: Evolving diagnostics and emerging therapeutics in clinical practice
Froylan David Martínez-Sánchez1,2,3, Luis Enrique Gutierrez-Rosas4, Luis Hernan Barranco-Hernandez1
1Department of Internal Medicine, Hospital General Dr. Manuel Gea Gonzalez, Tlalpan 14080, Ciudad de México, Mexico.
World Journal of Nephrology
|March 30, 2026
Summary
Hyponatremia, a common electrolyte disorder, is increasingly diagnosed using advanced tools like point-of-care ultrasonography. Management focuses on fluid restriction and careful monitoring to prevent complications, with new therapies emerging for non-responders.
Area of Science:
- Internal Medicine
- Nephrology
- Endocrinology
Background:
- Hyponatremia is the most frequent electrolyte disorder encountered in clinical settings.
- Causes are diverse, including endocrine issues and iatrogenic factors.
- Recent advancements in diagnostics and management have emerged.
Purpose of the Study:
- To highlight the transformative impact of new diagnostic tools on hyponatremia management.
- To discuss current and emerging therapeutic strategies for hyponatremia.
- To emphasize the importance of accurate volume assessment and monitoring.
Main Methods:
- Integration of point-of-care ultrasonography for accurate volume assessment.
- Application of the Furst equation to predict response to fluid restriction.
- Review of emerging therapeutic options for refractory hyponatremia.
Main Results:
- Point-of-care ultrasonography and the Furst equation enhance diagnostic accuracy and therapeutic decision-making.
- Fluid restriction and hypertonic solutions remain primary treatments, requiring cautious monitoring.
- Novel treatments like urea, desmopressin, and vaptans show promise for non-responders.
Conclusions:
- Modern diagnostics and management strategies improve hyponatremia care, emphasizing precision and safety.
- Objective tools and validated equations are crucial for optimizing treatment.
- Future advancements in AI and decision support systems promise more personalized hyponatremia management.
Keywords:
Fluid restrictionFurst equationHypertonic salineHyponatremiaPoint-of-care ultrasoundTolvaptanUreaMore Related Videos
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