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Serum Antiphospholipid Antibody Levels in Pseudoexfoliation

PurposeTo evaluate the levels of serum antiphospholipid antibodies in patients with pseudoexfoliation syndrome (PXS), pseudoexfoliation glaucoma (PXG), primary open-angle glaucoma, and healthy controls. Materials and MethodsThis prospective study included 17 patients with PXS, 19 patients with pseudoexfoliation glaucoma, 15 patients with primary open-angle glaucoma, and 19 normal individuals. Venous blood samples were obtained in the morning after an overnight 8-hour fasting. Anticardiolipin antibodies, isotypes IgG and IgM were measured by means of an enzyme-linked immunosorbent assay. Lupus anticoagulant antibodies were measured by dilute Russell viper venom time screen test. ResultsMean±standard mean of error of anticardiolipin antibody IgG levels in patients with PXS and PEG were significantly higher than those of the controls (P<0.05). The mean lupus anticoagulant antibody levels of the controls were not statistically different from the levels of patients with PXS, pseudoexfoliation glaucoma, and primary open-angle glaucoma (P>0.05). The anticardiolipin antibody IgG concentrations above the cutoff value of 15 GPL/mL were found in 8 patients (21.05%) with pseudoexfoliation. There was no individual in the control group having anticardiolipin antibody IgG level above the cutoff value (P<0.05). ConclusionsElevated serum antiphospholipid antibodies, a risk factor for cardiovascular and cerebrovascular disease, is more common in patients with PXS and pseudoexfoliation glaucoma than in the healthy controls and in patients with primary open-angle glaucoma.