Article
Activated protein C resistance phenotype in patients with antiphospholipid antibodies.
The Journal of laboratory and clinical medicine - 1 Aug 1997
Aznar J, Villa P, España F, Estellés A, Grancha S, Falcó C
Abstract excerpt
The effect of antiphospholipid antibodies (aPL) on the action of activated protein C (APC) was examined in 32 patients: 19 with lupus anticoagulant (LA), 6 with anticardiolipin antibodies (aCL), and 7 with LA and aCL. Eighteen patients had a ratio of activated partial thromboplastin time (APTT) with APC to APTT without APC (APTT ratio) <2.06 (cut-off level) and no factor V Leiden mutation; these patients showed...
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