An observational study on electrolyte disorders in the acute phase of ischemic stroke and their prognostic value

Luisa Fofi, Valentina Dall'Armi, Laura Durastanti, Alessandro Valenza, Svetlana Lorenzano, Massimiliano Prencipe, Danilo Toni

Research output: Contribution to journalArticlepeer-review

Abstract

Data on electrolyte disorders in neurological conditions and in acute stroke are somewhat scanty and not easily compared. In our Stroke Unit we studied patients hospitalized within six hours of the onset of an acute ischemic stroke and recorded their demographic and clinical data. Blood test results were recorded before any pharmacological therapy. A total of 475 individuals (256 M, 219 F; range: 14-96 years) treated over a period of 18 consecutive months, were selected. According to multiple logistic regression analysis, the baseline National Institute of Health Stroke Scale (NIHSS) score (odds ratio [OR] = 1.33; 95% confidence interval [CI]: 1.22-1.44) and natremia alterations (OR = 6.89; 95% CI = 1.94-24.40) were associated with higher odds of death. Based on the ordinal logistic regression analysis, the baseline NIHSS score (OR = 1.07; 95% CI = 1.03-1.10) and baseline hypernatremia (OR = 9.69; 95% CI = 1.55-60.69) were related to early neurological worsening. Our work suggests an association between serum sodium alterations and mortality, and between high sodium levels and neurological clinical impairment, in the acute phase of an ischemic stroke.

Original languageEnglish
Pages (from-to)513-516
Number of pages4
JournalJournal of Clinical Neuroscience
Volume19
Issue number4
DOIs
Publication statusPublished - Apr 2012

Keywords

  • Acute stroke
  • Critical care
  • Electrolyte imbalances
  • Outcomes

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Physiology (medical)

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