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A nationwide family study of venous thromboembolism and risk of arterial vascular disease

In English

Författare

Summary, in English

OBJECTIVE: This nationwide study aimed to determine whether venous thromboembolism (VTE) shares familial susceptibility with aortic aneurysm (AA), peripheral artery disease (PAD) and arterial thrombosis and embolisation (ATE) in locations other than the heart and brain.

METHODS: Nationwide Swedish family study. Data from the Swedish Multi-Generation Register for subjects aged 0-78 years old, covering the period 1964-2010, were linked to the Hospital Register. Familial risks (standardised incidence ratio, SIR) of AA, PAD and ATE were determined for individuals with a first-degree relative (parents/sibling) diagnosed with VTE. Separate analyses were done to determine risks for spouses.

RESULTS: A total of 13 063 individuals had AA, 15 494 had PAD and 7325 had ATE. Fully adjusted familial risks for individuals with family history (parent/sibling) of VTE were 1.04 (95% CI 1.00 to 1.08)) for AA, 1.42 (1.35 to 1.49) for ATE and 1.08 (1.04 to 1.13) for PAD. The familial sibling risks were 1.07 (0.99 to 1.14) for AA, 1.61 (1.48 to 1.74) for ATE and 1.19 (1.11 to 1.26) for PAD. Among individuals younger than 50 years of age, the familial risks were: 1.13 (0.99 to 1.29) for AA, 1.76 (1.62 to 1.91) for ATE and 1.12 (1.03 to 1.21) for PAD. In spouses of patients with VTE, the SIRs were 1.21 (1.17 to 1.25) for AA, 1.19 (1.14 to 1.23) for ATE and 1.26 (1.21 to 1.30) for PAD.

CONCLUSIONS: VTE shares only weak familial susceptibility with AA and PAD in the Swedish population. However, ATE partially shares a moderate familial susceptibility and possibly genetic factors with VTE. Moreover, familial non-genetic factors may contribute to the observed familial associations.

Publiceringsår

2016

Språk

Engelska

Sidor

1315-1321

Publikation/Tidskrift/Serie

Heart

Volym

102

Issue

16

Dokumenttyp

Artikel i tidskrift

Förlag

BMJ Publishing Group

Ämne

  • Family Medicine

Status

Published

Forskningsgrupp

  • Family Medicine and Clinical Epidemiology
  • Family Medicine, Cardiovascular Epidemiology and Lifestyle

ISBN/ISSN/Övrigt

  • ISSN: 1355-6037