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Original Paper

Ischemia-Modified Albumin in Acute Stroke

Abboud H.a · Labreuche J.a · Meseguer E.a · Lavallee P.C.a · Simon O.a · Olivot J.-M.a · Mazighi M.a · Dehoux M.b · Benessiano J.c · Steg P.G.d · Amarenco P.a

Author affiliations

aDepartment of Neurology and Stroke Center, bDepartment of Biochemistry, cCenter for Clinical Investigation and dDepartment of Cardiology, Bichat University Hospital, Denis Diderot University and Medical School, Paris, France

Related Articles for ""

Cerebrovasc Dis 2007;23:216–220

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: August 14, 2006
Accepted: September 18, 2006
Published online: December 01, 2006
Issue release date: February 2007

Number of Print Pages: 5
Number of Figures: 3
Number of Tables: 1

ISSN: 1015-9770 (Print)
eISSN: 1421-9786 (Online)

For additional information: https://www.karger.com/CED

Abstract

Background: Ischemia-modified albumin (IMA)is a new biological marker of ischemia. Previous studies have found increased serum IMA levels after myocardial ischemia, but no study has investigated the possibility that stroke modifies IMA blood levels. Materials and Methods: We studied 118 consecutive patients presenting within 3 h of the onset of an acute neurological deficit [84 brain infarctions (BI), 18 brain hemorrhages (ICH) and 16 transient ischemic attacks lasting less than 1 h or epileptic seizures]. Serum samples were obtained for all patients at initial presentation and repeated only in patients with stroke at 6, 12 and 24 h. IMA was measured by the albumin-cobalt-binding test (Ischemia Technologies, Denver, Colo., USA). Results: The initial median IMA (bootstrap 95% confidence interval, CI) was 83 U/ml (79–86) and 86 U/ml (75–90) in patients with BI and ICH, respectively (p = 0.76), and was 73 U/ml (58–79) in others (p = 0.003 compared with BI, and p = 0.017 with ICH). Baseline IMA levels correlated with the National Institutes of Health Stroke Scale [Spearman correlation coefficient: 0.34 (p = 0.002) in BI, 0.61 (p = 0.008) in ICH]. During the first 24 h, IMA levels increased in BI patients (median, 9.1%; bootstrap 95% CI, 5.2–11.5), whereas no change was observed in ICH patients (median, 1.2%; bootstrap 95% CI, –7.8 to 6.8). Conclusions: IMA blood levels may be a biomarker for early identification of acute stroke. Further studies are required to investigate the role of IMA in the early detection of acute stroke.

© 2007 S. Karger AG, Basel


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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: August 14, 2006
Accepted: September 18, 2006
Published online: December 01, 2006
Issue release date: February 2007

Number of Print Pages: 5
Number of Figures: 3
Number of Tables: 1

ISSN: 1015-9770 (Print)
eISSN: 1421-9786 (Online)

For additional information: https://www.karger.com/CED


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