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- aggregation classification "A1".
- aggregation creator B258940.
- aggregation creator B258941.
- aggregation creator person.
- aggregation date "2010".
- aggregation format "application/pdf".
- aggregation hasFormat 856732.bibtex.
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- aggregation hasFormat 856732.yaml.
- aggregation isPartOf urn:issn:0006-4971.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Medicine and Health Sciences".
- aggregation title "Thrombotic risk assessment in the antiphospholipid syndrome requires more than the quantification of lupus anticoagulants".
- aggregation abstract "Lupus anticoagulants (LAC) are associated with thromboembolic complications (TEC). LAC can be detected via their anticoagulant properties in coagulation tests and thrombin generation assays, via the peak height (PH) and lag time (LT). To assess the thrombotic risk in LAC-positive patients, we have presently expressed the LAC-activity quantitatively via PH/LT calibration curves, constructed for mixtures of monoclonal antibodies with LAC-activity against β2-glycoprotein I (β2GPI) and prothrombin, spiked in normal plasma. PH/LT was determined in plasma of LAC patients, with (n=38) and without (n=21) TEC and converted into arbitrary LAC-units on parallel calibration lines. Patient LAC-titers ranged from 0-200 AU/ml, with 5/59 patients being negative. In the positive LAC-titer population (54/59), LAC-titers and anti-β2GPI IgG titers correlated with TEC, with odds ratios of 3.54 (CI: 1.07-11.7) and 10.0 (CI: 1.98-50.6), respectively. In patients with single or combined low titers, useful predictions on thrombosis could be made only after additional measurements of the prothrombotic plasma markers soluble P-selectin and FVII. This layered strategy yielded PPV, NPV, sensitivity and specificity values around 90% in this subgroup. Hence, LAC- and anti-β2GPI IgG titers, when combined with selected markers of the hypercoagulable state, allow a relevant thrombotic risk assessment in nearly all LAC patients.".
- aggregation authorList BK536351.
- aggregation endPage "878".
- aggregation issue "4".
- aggregation startPage "870".
- aggregation volume "115".
- aggregation aggregates 856734.
- aggregation isDescribedBy 856732.
- aggregation similarTo blood-2009-09-244426.
- aggregation similarTo LU-856732.