A Systematic Review and Meta-Analysis of Serum Concentrations of Ischaemia-Modified Albumin in Acute Ischaemic Stroke, Intracerebral Haemorrhage, and Subarachnoid Haemorrhage

Arduino A. Mangoni, Angelo Zinellu

Research output: Contribution to journalArticlepeer-review

Abstract

The identification of robust circulating biomarkers of stroke may improve outcomes. We conducted a systematic review and meta-analysis of serum concentrations of ischaemia-modified albumin (IMA) in subjects with or without acute ischaemic stroke (AIS), intracerebral haemorrhage (ICH), and subarachnoid haemorrhage (SAH). We searched PubMed, Web of Science, Scopus, and Google Scholar from inception to March 2022. Risk of bias and certainty of evidence were assessed using the Joanna Briggs Institute Critical Appraisal Checklist and GRADE, respectively. In 17 studies, IMA concentrations were significantly higher in patients with AIS (standard mean difference, SMD = 2.52, 95% CI 1.92 to 3.12; p < 0.001), ICH (SMD = 3.13, 95% CI 1.00 to 5.25; p = 0.004), and SAH (SMD = 4.50, 95% CI 0.91 to 7.01; p = 0.014) vs. controls (very low certainty of evidence). In AIS, the effect size was associated with the male gender, and was relatively larger in studies conducted in Egypt and India and those using enzyme-linked immunosorbent assays. IMA concentrations were progressively higher, by direct comparison, in SAH, ICH, and AIS. In sensitivity analysis, the pooled SMDs were not altered when individual studies were sequentially removed. Our meta-analysis suggests that IMA concentrations might be useful to diagnose stroke and discriminate between AIS, ICH, and SAH (PROSPERO registration number: CRD42021320535).

Original languageEnglish
Article number653
Number of pages17
JournalBiomolecules
Volume12
Issue number5
DOIs
Publication statusPublished - May 2022

Keywords

  • Acute ischaemic stroke
  • Biomarkers
  • Intracerebral haemorrhage
  • Ischaemia-modified albumin
  • Stroke
  • Subarachnoid haemorrhage

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