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D-dimer levels and stroke progression in patients with acute ischemic stroke and atrial fibrillation

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Krarup L-H, Sandset EC, Sandset PM, Berge E. D-dimer levels and stroke progression in patients with acute ischemic stroke and atrial fibrillation. Acta Neurol Scand: 2011: 124: 40-44. © 2010 John Wiley & Sons A/S. Background -  Patients with acute ischemic stroke and atrial fibrillation are at increased risk of stroke progression and recurrence. We sought to assess whether D-dimer and other markers of hemostatic activation could predict these adverse events in such patients. Method -  Blood samples were obtained from patients included in the Heparin in Acute Embolic Stroke Trial. Stroke progression was defined as a ≥3-point worsening on the Scandinavian Stroke Scale during the first 48 h after randomization. Blood samples were analyzed for D-dimer, prothrombin fragment 1 + 2, soluble fibrin monomer, and C-reactive protein. Results -  A total of 382 patients were included in the analyses. Levels of D-dimer and other markers of hemostatic activation were not significantly higher in patients with stroke progression than in other patients (D-dimer median values: 1025 ng/ml vs 970 ng/ml, P = 0.73). The same was true for recurrent stroke (D-dimer: 720 ng/ml vs 973 ng/ml, P = 0.96), and the combined endpoint of stroke progression, recurrent stroke, and death (D-dimer: 991 ng/ml vs 970 ng/ml, P = 0.91). Multivariable analyses did not alter the results. Conclusion -  D-dimer and other markers of hemostatic activation were not associated with stroke progression, recurrent stroke, or death in patients with acute ischemic stroke and atrial fibrillation.
OriginalsprogEngelsk
TidsskriftActa Neurologica Scandinavica
Vol/bind124
Udgave nummer1
Sider (fra-til)40-4
Antal sider5
ISSN0001-6314
DOI
StatusUdgivet - 1 jul. 2011

ID: 32323893