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During the congress, E-Posters will be accessible to all participants on the congress website 24/7, as well as in the E-poster stations in the congress center.
Preparing your E-Poster
Please review the E-Poster format requirements carefully when preparing your E-Poster. Should your E-Poster not meet the mentioned requirements, it may not be displayed as described above.
E-Poster Submission Deadline
Please prepare and upload your E-Poster no later than March 14, 2026 11.59PM CET. After this date, you will no longer be able to prepare and upload your E-poster and it will not be displayed and accessible on the congress website.
Please follow the instructions below to input your abstract title.
Abstract titles should be brief and reflect the content of the abstract.
In the management of hyponatremia, achieving an appropriate rate of serum sodium correction is essential but remains challenging. The correction rate is thought to vary depending on the underlying etiology; however, how this influences the risk of suboptimal correction has not been fully elucidated. To address this knowledge gap, we aimed to evaluate whether the risk of inadequate correction differs across etiological categories in patients with severe hyponatremia.
This retrospective observational study included patients with severe hyponatremia, defined as a serum sodium level ≤120 mEq/L, identified either at admission or during hospitalization in two tertiary care centers between January 2014 and June 2024. Patients were classified into nine etiological categories: kidney losses, non-kidney losses, syndrome of inappropriate antidiuresis (SIAD), adrenal insufficiency, low solute intake, polydipsia, heart failure, cirrhosis, and kidney disease. The association between etiological categories and the incidence of rapid (≥10 mEq/L) or slow (≤5 mEq/L) sodium correction within the first 24 hours was assessed using logistic regression analysis.
Among 876 patients included in the analysis, the median (interquartile range) age was 73 (62–82) years. The baseline serum sodium level was 118 (115–119) mEq/L, and the 24-hour correction rate was 4.8 (1.7–7.8) mEq/L. Logistic regression analysis demonstrated that, compared with SIAD, polydipsia (odds ratio [OR], 10.3; 95% confidence interval [CI], 4.81–22.0), adrenal insufficiency (OR, 5.32; 95% CI, 2.29–12.4), non-kidney losses (OR, 3.25; 95% CI, 1.38–7.66), and low solute intake (OR, 3.15; 95% CI, 1.73–5.76) were significantly associated with rapid correction. In contrast, cirrhosis (OR, 2.24; 95% CI, 0.92–5.49), heart failure (OR, 1.79; 95% CI, 0.84–3.83), and kidney losses (OR, 1.48; 95% CI, 0.86–2.55) were related to slow correction.
Correction rates varied according to the underlying etiology of severe hyponatremia. Careful assessment of etiology may help predict correction patterns and guide safer, more effective management strategies.
