229. Ask a Fellow - Hyponatremia Rate of Correction
Mar 14, 2024
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Dr. Jeff Kott, a Nephrologist and Critical Care Fellow, discusses hyponatremia correction rates in collaboration with NephMadness. They explore the dangers of rapid sodium level correction, guidelines for correcting hyponatremia in different patient populations, recent studies challenging traditional recommendations, and the debate around correction rates for hyponatremia.
Rapid correction of hyponatremia exceeding 12 millimoles per liter within 24 hours poses a higher risk of ODS development.
Different guidelines emphasize cautious correction rates in high-risk patients to prevent overcorrection and minimize ODS risks.
Deep dives
History and Diagnosis of Osmotic Demyelination Syndrome in Hyponatremia
The discussion delves into the discovery of osmotic demyelination syndrome in the late 1950s, primarily in individuals with alcohol use disorder and malnourishment. Initially, RAS studies linked hyponatremia to ODS in the 1980s, despite early controversies. Notably, rapid correction of hyponatremia exceeding 12 millimoles per liter within 24 hours, especially in severe cases, poses a higher risk of ODS development.
Variations in Guidelines for Hyponatremia Correction Rates
The podcast highlights different guidelines for correcting hyponatremia rates, emphasizing caution in high-risk patients like those with alcohol use disorder or malnutrition. European guidelines suggest limiting correction to 10 millimoles per liter on the first day. American guidelines recommend gradual correction, particularly in chronic cases, with specific rates to prevent overcorrection and minimize risks of ODS development.
Discussion on Recent Studies and Evolving Approaches to Hyponatremia Correction
The episode reviews three recent studies addressing hyponatremia correction rates, mortality rates, and ODS risks. Findings reveal a nuanced relationship between correction speed, mortality, and ODS occurrence. These studies challenge conventional wisdom by suggesting a potential reevaluation of correction rates, emphasizing the significance of individual risk factors in guiding treatment decisions.
Welcome to Part 2 of our collaboration with #NephMadness! This week we sit down with Dr. Jeff Kott (Nephrologist and Critical Care Fellow) from the NephMadness Exec to discuss the latest and greatest in hyponatremia correction rates.