Inherited thrombophilia is associated with deep vein thrombosis in a Colombian population |
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Authors: | Torres J D Cardona H Alvarez L Cardona-Maya W Castañeda S A Quintero-Rivera F Cadavid A Bedoya G Tobón L |
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Affiliation: | Grupo de Investigación en Trombosis, Universidad de Antioquia-Hospital Universitario San Vicente de Paúl, Medellín, Colombia. jdtorres1@gmail.com |
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Abstract: | The development of venous thromboembolism is influenced by a variety of genetic and environmental risk factors. A few studies have ascertained whether thrombophilic defects are risk factors for venous thromboembolism in Latin American populations with a variable degree of admixture, such as the Colombian population. To address this issue, we conducted a case-control study involving 100 consecutive patients with deep vein thrombosis and 114 healthy controls from the Hospital Universitario San Vicente de Paúl, Medellín, Colombia. Activated protein C resistance (APC resistance) was detected in 25/99 patients vs. 6/114 controls (OR = 6.08, 95% CI = 2.23-17.47). Ten of 100 patients carried the factor V Leiden mutation vs. 1/114 controls (OR = 12.56, 95% CI = 1.61-267). APC resistance was associated with the factor V Leiden mutation in only 10/25 patients. The prothrombin G20210A mutation was found in 4/100 patients, but none of the controls (P < 0.05). There was no significant difference in the proportion of homozygous carriers of methylenetetrahydrofolate reductase C677T variant among patients and controls. In conclusion, in our studied population, factor V Leiden, APC resistance, and prothrombin G20210A were associated with an increased risk of deep vein thrombosis. However, the frequencies of these thrombophilic defects and of APC resistance associated with factor V Leiden was lower than the corresponding frequencies previously reported for Caucasian populations. Further study is required to assess the influence of ethnicity on thrombophilia. |
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Keywords: | factor V Leiden prothrombin G20210A activated protein C resistance methylenetetrahydrofolate reductase thrombophilia deep vein thrombosis |
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