Influence of inherited and acquired thrombophilic defects on the clinical manifestations of mixed cryoglobulinaemia

Rheumatology
M CasatoL Conti

Abstract

To investigate the contribution of inherited and acquired thrombophilic defects to the clinical manifestations of mixed cryoglobulinaemia vasculitis. The following thrombophilic defects were investigated in 64 consecutive patients with HCV-associated mixed cryoglobulinaemia: aPLs, lupus anti-coagulant, homocysteinaemia, protein C and protein S concentrations, activated protein C resistance, plasminogen activator inhibitor-1 4G4G and 5G5G genotypes, and the presence of mutations of factor V (Leiden and H1299R), of prothrombin (G20210A) and of methyl tetrahydrofolate reductase (C677T and A1298C). Additional variables were demographic data, duration of the disease, cryocrit level and vascular risk factors (diabetes, hypertension, hypercholesterolaemia and smoking habit). The following clinical manifestations of mixed cryoglobulinaemia were analysed as dependent covariates: severity of purpura, presence of necrotic skin ulcers, presence of peripheral neuropathy and presence of kidney disease. Logistic regression analysis identified hyperhomocysteinaemia as a risk factor for severe purpura (P < 0.0001) and for the presence of skin ulcers (P < 0.0001), whereas none of the other thrombophilic defects influenced the clinical presentati...Continue Reading

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Citations

Sep 5, 2009·Clinical Chemistry and Laboratory Medicine : CCLM·Toshio OkazakiTakahiro Fujioka
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Dec 31, 2014·Seminars in Arthritis and Rheumatism·Dilia GiuggioliClodoveo Ferri
May 17, 2019·Terapevticheskiĭ arkhiv·L M SamokhodskayaV A Sadovnichii
Jan 26, 2013·Clinical Chemistry and Laboratory Medicine : CCLM·Toshio OkazakiHiroshi Yotsuyanagi

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