Circulating albumin-to-fibrinogen ratio may be a risk indicator for venous thromboembolism: findings from a population-based prospective cohort study

Submitted: 5 May 2022
Accepted: 1 June 2022
Published: 14 July 2022
Abstract Views: 796
PDF: 165
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Authors

  • Setor K. Kunutsor skk31@cantab.net National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol, Bristol, UK; Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol, UK; Central Finland Health Care District Hospital District, Department of Medicine, Jyväskylä, Finland District, Jyväskylä, Finland.
  • Sudhir Kurl Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.
  • Ari Voutilainen Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.
  • Jari Laukkanen Central Finland Health Care District Hospital District, Department of Medicine, Jyväskylä, Finland District, Jyväskylä, Finland; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Institute of Clinical Medicine, Department of Medicine, University of Eastern Finland, Kuopio, Finland.

Circulating albumin and fibrinogen levels, commonly considered as inflammatory markers, have been shown to be associated with venous thromboembolism (VTE) risk. Circulating albumin-to-fibrinogen ratio (AFR) has been proposed as a novel inflammatory biomarker, but its association with VTE risk has not been investigated. We aimed to assess the prospective association of AFR with VTE risk. Circulating albumin and fibrinogen levels were measured at baseline in 2,284 men aged 42-61 years. Hazard ratios (HRs) with 95% confidence intervals (CIs) were estimated. During a median follow-up of 27.0 years, 156 VTE cases were recorded. In analysis adjusted for established risk factors, the HR (95% CI) for VTE comparing extreme tertiles of AFR was 1.53 (1.02-2.32), which remained similar on further adjustment for prevalent cancer, 1.52 (1.01-2.30). The associations of circulating albumin or fibrinogen with VTE risk were modest. Circulating AFR may be a stronger risk indicator for VTE compared with albumin or fibrinogen alone.

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How to Cite

Kunutsor, S. K., Kurl, S., Voutilainen, A. ., & Laukkanen, J. (2022). Circulating albumin-to-fibrinogen ratio may be a risk indicator for venous thromboembolism: findings from a population-based prospective cohort study. Bleeding, Thrombosis and Vascular Biology, 1(2). https://doi.org/10.4081/btvb.2022.36