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Risk factors for venous thromboses in patients with rheumatoid arthritis
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01.01.2018 |
Satybaldyeva M.
Reshetnyak T.
Seredavkina N.
Glukhova S.
Nasonov E.
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Nauchno-Prakticheskaya Revmatologiya |
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0 |
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© 2018 Ima-Press Publishing House. All rights reserved. Objective: to determine risk factors (RFs) for venous thromboembolic events (VTE) in patients with rheumatoid arthritis (RA). Subjects and methods: The investigation enrolled 374 patients (311 women and 63 men) with a reliable diagnosis of RA who met the 2010 ACR/EULAR classification criteria. The patients' mean age was 53.7±13.6 years; the disease duration was 12.1±10.7 years. All the patients were treated at the V.A. Nasonova Research Institute of Rheumatology Clinic during the period from 2014 to 2017. A standard clinical examination of the peripheral joints was performed. RA activity was measured using DAS28. A survey was made using a questionnaire including questions on traditional RFs for VTE and RFs that might be caused by RA and its therapy. Results and discussion. VTE were recorded in 45 (12%) out of the 374 patients. Group 1 included 45 patients with VTE; Group 2 consisted of 329 patients without VTE. Multidimensional analysis showed an increased risk of developing VTE in RA under the influence of the following factors: high inflammatory activity; lower extremity varicose veins; hypercholesterolemia; and hypertension. Their weighted coefficients were 1.1, 2.5, 1.0, and 0.9, respectively. According to the obtained model (p<0.001), the risk of VTE in RA can be predicted by the following formula: Z = 1.1 • high RA activity (Yes = 1/No = 0) + 2.5 • lower extremity varicose veins (Yes = 1/No = 0) + + 1.0 • hypercholesterolemia (Yes = 1/No = 0) + 0.9 • hypertension (Yes = 1 / No = 0). Conclusion: The increased risk for VTE in RA patients determines the need for its timely assessment, by taking into account the known risk factors as both standard ones and those caused by the disease itself and its therapy. This risk assessment is necessary for the timely adequate treatment and prevention of thrombotic events in RA.
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