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  • Title: Inherited prothrombotic defects in Budd-Chiari syndrome and portal vein thrombosis: a study from North India.
    Author: Bhattacharyya M, Makharia G, Kannan M, Ahmed RP, Gupta PK, Saxena R.
    Journal: Am J Clin Pathol; 2004 Jun; 121(6):844-7. PubMed ID: 15198356.
    Abstract:
    We studied 57 patients with Budd-Chiari syndrome (BCS) and 48 with portal vein thrombosis (PVT) for underlying inherited prothrombotic defects such as protein C, protein S, and antithrombin III deficiencies. Genetic mutations for factor V Leiden, prothrombin gene 20210A, and methyltetrahydrofolate reductase (MTHFR) C677T were studied in 29 patients in each group. Inherited prothrombotic defects were detected in 16 (28%) of 57 patients with BCS and 7 (15%) of 48 patients with PVT. Factor V Leiden mutation was the most common prothrombotic defect in BCS (5/29 [17%]) followed by protein C deficiency (7/57 [12%]) and protein S deficiency (4/57 [7%]), whereas in PVT, protein C deficiency was the most common inherited prothrombotic defect (4/48 [8%]) followed by protein S deficiency (2/48 [4%]). The factor V Leiden mutation was detected in only 1 (3%) of 29 cases of PVT. The heterozygous MTHFR C677T mutation was detected in 7 (24%) of 29 patients with BCS and 6 (21%) of 29 patients with PVT. Antithrombin III deficiency, homozygous MTHFR C677T mutation, and prothrombin G20210A mutation were not detected in any patients.
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