Sex-specific risk factors for recurrent venous thromboembolism |
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Authors: | Olié Valérie Zhu Tienan Martinez Isabelle Scarabin Pierre-Yves Emmerich Joseph |
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Affiliation: | a Inserm, CEPH Centre for research in Epidemiology and Population Health, U1018, Hormones and Cardiovascular disease team, F94807, Villejuif, Franceb Université Paris Sud 11, UMR-S 1018, F-94807, Villejuif, Francec Inserm UMR765, Paris, Franced Université Paris Descartes, Faculté de Médecine Paris Descartes, Paris, France |
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Abstract: | BackgroundMen have higher risk of recurrent venous thromboembolism (VTE) than women but this sex difference remains unexplained. In addition, whether men and women share same risk factors for recurrent VTE is unclear.MethodsIn a prospective cohort study, 583 patients (234 men and 349 women) aged 18 to 90, with a first idiopathic VTE, were followed for an average of 28 months. We assessed the association between baseline characteristics and VTE recurrence by gender.ResultsRecurrent VTE occurred in 38 women and 36 men (incidence = 4.6% and 7.5% per year respectively; HR = 1.6; 95% CI, 1.0-2.6). This relation between sex and recurrent VTE was more pronounced in patients younger than 50 years and in the presence of factor V Leiden (FVL) mutation. Multivariate analyses showed that obesity (HR, 2.8 (95% CI, 1.3-6.0)) and aging (HR, 1.3 (95% CI, 1.1-1.4) per 10 years increase) were related to an increased risk of recurrent VTE in women while FVL mutation (HR, 3.5 (95% CI, 1.5-8.1)) was a risk factor of recurrent VTE among men.ConclusionMen and women do not share the same risk factors for recurrent VTE. Consequently, gender has to be taken into account to improve the risk stratification and prevention of VTE recurrence. |
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Keywords: | Recurrent venous thromboembolism Gender Factor V Leiden mutation Risk factors |
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