Özet:

Objective: In the present study, we aimed to consider the relation between the manifestations of venous thromboembolism (VTE) and gene mutations including factor V Leiden (FVL), prothrombin G20210A and MTHFR C677T. Methods: One hundred and forty four patients with idiopathic VTE were enrolled in this study. The data of patients were obtained from the medical records in hospital information system. The patients were grouped according to the location of VTE. In all subjects FVL, prothrombin G20210A, and MTHFR C677T were analyzed by specific polymerase chain reactions and restriction enzymes. Univariate and multivariate analysis were used to evaluate the relation between the groups and the gene mutations including factor V Leiden (FVL), prothrombin G20210A and MTHFR C677T. Results: The mean age of patients was 41.16 ± 13.23 years and the male / female ratio was 1.18. Among the patients with VTE, 44 (30.6%) had only DVT, 41 (28.5%) had only PE, 26 (18.1%) had both DVT and PE, 23 (16%) had cerebral veins thrombosis (CVT) and 10 (6.9%) had abdominal vein thrombosis The prevalence was found to be 46.5% for FVL, 13.2% for prothrombin G20210A and 45.1% for MTHFR C677T gene mutation among patients. There was no statistically difference between the manifestations of VTE regarding the gene mutations (p>0,05). Conclusion: The findings of this study suggest that gene mutations including factor V Leiden (FVL), prothrombin G20210A and MTHFR C677T are not sufficient to determine the location of VTE. Key words: Venous thromboembolism; factor V Leiden; prothrombin G20210A; MTHFR C677T

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