Perioperative Delta Sodium and Post–Liver Transplant Neurological Complications in Liver Transplant Recipients

医学 低钠血症 四分位间距 肝移植 优势比 内科学 肝性脑病 胃肠病学 围手术期 并发症 肝硬化 高钠血症 置信区间 外科 移植 化学 有机化学
作者
Kacey Berry,Timothy P. Copeland,Elaine Ku,Jennifer C. Lai
出处
期刊:Transplantation [Wolters Kluwer]
卷期号:106 (8): 1609-1614 被引量:10
标识
DOI:10.1097/tp.0000000000004102
摘要

Background. Hyponatremia before liver transplant (LT) increases risk of post-LT neurological complications in patients with decompensated cirrhosis, but it is unknown to what extent change in sodium from pre- to post-LT influences risk of central nervous system (CNS) sequelae. We assessed the relationship between pre- to post-LT delta sodium and prevalence of CNS complications during LT hospitalization. Methods. We performed retrospective single-center chart review of 1265 adults with cirrhosis who underwent LT (2011–2020). Delta sodium is defined as the difference between maximum sodium within 48 h post-LT and lowest sodium within 7 d pre-LT. Primary outcomes are post-LT CNS events during same hospitalization—encephalopathy, delirium, seizure, coma, osmotic demyelination syndrome, or other altered mental status, determined by International Classification of Diseases codes. Secondary outcome is length of hospital stay post-LT (LOS). Logistic regression modeled association between delta sodium and post-LT CNS outcomes; negative binomial regression modeled LOS. Results. Median age was 59 y, 36% were female, and median Model for End-Stage Liver Disease score was 20. Median delta sodium was 8 mmol/L (interquartile range, 5–11). One hundred ninety-four (15%) experienced post-LT CNS complications. In multivariable analysis, controlling for confounders including pre-LT hyponatremia, every 5 mmol/L increase in delta sodium associated with 47% greater odds of CNS complication (95% confidence interval, 22%-77%). Delta sodium also associated with 7% increased LOS in adjusted regression (95% confidence interval, 3%-12%). Conclusions. Adult LT recipients with higher perioperative delta sodium shifts displayed a higher risk of post-LT CNS complications, even after adjusting for pre-LT sodium. LT recipients, even those with pre-LT hyponatremia, may benefit from maintenance of stable serum sodium levels to minimize post-LT CNS complications.
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