Abstract
Myocardial infarction and ischemic stroke are associated with formation of dense fibrin clots resistant to lysis. Although pro- and antithrombotic alterations have been reported in atopy, fibrin clot function has not been studied in atopic patients. The aim of the current study was to investigate fibrin clot properties in patients with atopic dermatitis (AD). Plasma fibrin clot permeability, turbidity and clot lysis were assessed in 130 consecutive AD patients, aged 29.7 ± 11 [±SD] years (mean SCORAD index, 32.4 ± 14.9), free of thrombotic events. A control group comprised 130 healthy controls matched for demographics. Patients with AD had lower clot permeability (7.12 ± 1.87 vs. 9.32 ± 0.86 × 10−9 cm2; P < 0.0001), increased fiber thickness (maximum clot absorbancy at 405 nm, 4.03 ± 0.54 vs. 3.47 ± 0.25), faster clot formation (the lag phase, 39.16 ± 4.61 vs. 43.05 ± 4.56 s), higher maximum D-dimer levels released from clots, reflecting increased clot mass (4.05 ± 0.57 vs. 3.47 ± 0.25 mg/l; P < 0.0001), lower rate of D-dimer release (0.073 ± 0.01 vs. 0.078 ± 0.01 mg/l/min; P < 0.0001), and prolonged fibrinolysis time (9.26 ± 1.47 vs. 7.81 ± 1.17 min; P < 0.0001) compared with controls. Concomitant asthma (n = 36; 27.7%) was related to a higher rate of D-dimer release from clots than the remainder (0.075 ± 0.01 vs. 0.072 ± 0.01 mg/l/min, respectively; P = 0.03). Altered plasma fibrin clot properties associated with reduced efficiency of fibrinolysis can be detected in AD patients, which might represent a novel mechanism that modulates a hemostatic balance in atopy.
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Anetta Undas was supported by a grant of Jagiellonian University School of Medicine no. K/ZDS/000565.
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Nastałek, M., Wojas-Pelc, A. & Undas, A. Plasma fibrin clot properties in atopic dermatitis: links between thrombosis and atopy. J Thromb Thrombolysis 30, 121–126 (2010). https://doi.org/10.1007/s11239-010-0478-0
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DOI: https://doi.org/10.1007/s11239-010-0478-0