Abstract
In pediatric liver transplants, dysnatremias have been found to have an impact on pre- and post-transplant outcomes. However, much of the current literature has focused on wait-list survival, secondary organ damage, and dysnatremia in donors rather than in recipients. To understand the effect of recipient immediate pre-transplant hypernatremia on post-transplant mortality, we conducted a multivariable retrospective review analyzing data from 8,011 pediatric patients undergoing liver transplantation provided by the United Network for Organ Sharing (UNOS). Multivariable analysis of hypernatremia showed an increased risk of mortality (odds ratio [OR]: 2.49, 95% confidence interval [CI]: 1.75, 3.54 for a serum sodium between 150-155mEq/L) while hyponatremia did not show a significant increase in relative risk for mortality (HR: 1.11, 95% CI: 0.75, 1.63 for a serum sodium between 125-130mEq/L). Kaplan-Meier (KM) curves stratified by sodium level showed statistically significant differences in outcomes with progressively increasing mortality associated with increasing serum sodium levels. In particular, there is a statistically significant increase in 90-day mortality with serum sodium levels above 150mEq/L. Hyponatremia had a moderate impact on mortality but was not statistically significant. Our analysis of immediate pre-transplantation resolution of hypernatremia also showed improved survival outcomes with a decreased mortality compared to transplant patients with unresolved hypernatremia. In conclusion, immediate pre-transplant recipient hypernatremia has a substantial impact on pediatric post-liver transplantation survival. Corrected hypernatremia resulted in decreased mortality compared to uncorrected hypernatremia. Recipient hypernatremia is an important indicator of disease processes and a predictor of poor post-transplantation mortality outcomes.
Published Version
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Schedule a callMore From: Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
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