This study examines the impact of different rates of sodium correction on the outcomes of patients with severe hyponatremia (serum sodium ≤ 120 mEq/L). Hyponatremia is a condition where blood sodium levels are dangerously low, and its treatment must be carefully managed to avoid complications. Standard guidelines recommend correcting sodium levels slowly to prevent a rare but serious neurological condition called osmotic demyelination syndrome (ODS). However, recent evidence suggests that a faster rate of sodium correction may reduce hospital stay length and mortality without increasing the risk of ODS. This retrospective study, conducted from 2010 to 2023 at a hospital in Buenos Aires, Argentina. It compares the outcomes of patients who had their sodium levels corrected rapidly (≥ 8 mEq/L in 24 hours) to those who had slower corrections. The primary outcomes measured are mortality and the development of ODS.
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In-Hospital Mortality
Timeframe: From hospital admission to discharge or death. To evalute in-Hospital mortality we will use logistic regression, not time to event analysis.