The association between plasma osmolality and in-hospital mortality in the first 24 h after neonatal intensive care unit admission

Autor: Weiqin Liu, Lingling Xiang, Zhiwei Zhao, Lu Lin, Hong Wei, Ziyu Hua
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Frontiers in Pediatrics, Vol 11 (2023)
Druh dokumentu: article
ISSN: 2296-2360
DOI: 10.3389/fped.2023.1173133
Popis: BackgroundPerturbation of osmolality is associated with increased mortality in adults and children in critically ill conditions. However, it is still unclear whether osmolality imbalance impacts the prognosis of critically ill infants. This study aimed to investigate the relationship between plasma osmolality and prognosis in critically ill infants within 24 h of admission.MethodsThis retrospective study enrolled 1,042 infants who had plasma osmolality data from 2010 to 2018. The initial plasma osmolality (within 24 h after admission) was extracted from the pediatric intensive care database (PIC V1.1). The locally weighted scatter-plot smoothing (LOWESS) and restricted cubic splines (RCS) methods were used to explore the approximate relationship between plasma osmolality and in-hospital mortality. Univariate and multivariate logistic regression analyses were used to further analyse this relationship. Kaplan–Meier analysis was applied to estimate the probability of hospital mortality within 90 days of admission. Subgroup analysis was employed to assess the impact of potential confounders (including postnatal days, gender, and gestational age).ResultsAn approximately“U”-shaped relationship between plasma osmolality and mortality was detected. In the logistic regression model, plasma osmolality 300 mmol/L (high osmolality group) was also significantly associated with mortality (P
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