Vitamin K Antagonists, Non–Vitamin K Antagonist Oral Anticoagulants, and Vascular Calcification in Patients with Atrial Fibrillation

Frederique E. C. M. Peeters; Elton A. M. P. Dudink; Dorien M. Kimenai; Bob Weijs; Sibel Altintas; Luuk I. B. Heckman; Casper Mihl; Leon J. Schurgers; Joachim E. Wildberger; Steven J. R. Meex; Bas L. J. H. Kietselaer; Harry J. G. M. Crijns

doi:10.1055/s-0038-1675578

TH Open, Table of Contents

CC BY 4.0 · TH Open 2018; 02(04): e391-e398
DOI: 10.1055/s-0038-1675578

Original Article

Georg Thieme Verlag KG Stuttgart · New York

Vitamin K Antagonists, Non–Vitamin K Antagonist Oral Anticoagulants, and Vascular Calcification in Patients with Atrial Fibrillation

Frederique E. C. M. Peeters

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Elton A. M. P. Dudink

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Dorien M. Kimenai

²Department of Clinical Chemistry, Maastricht University Medical Center+, Maastricht, The Netherlands

,

Bob Weijs

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Sibel Altintas

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Luuk I. B. Heckman

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Casper Mihl

³Department of Radiology and Nuclear Medicine, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Leon J. Schurgers

⁴Department of Biochemistry, Maastricht University and CARIM, Maastricht, The Netherlands

,

Joachim E. Wildberger

³Department of Radiology and Nuclear Medicine, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

,

Steven J. R. Meex

²Department of Clinical Chemistry, Maastricht University Medical Center+, Maastricht, The Netherlands

,

Bas L. J. H. Kietselaer

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

⁵Department of Cardiology, Zuyderland Medical Center, Heerlen/Sittard, The Netherlands

,

Harry J. G. M. Crijns

¹Department of Cardiology, Maastricht University Medical Center+ and CARIM, Maastricht, The Netherlands

› Author Affiliations

Abstract

Background Vitamin K antagonists (VKAs) are associated with coronary artery calcification in low-risk populations, but their effect on calcification of large arteries remains uncertain. The effect of non–vitamin K antagonist oral anticoagulants (NOACs) on vascular calcification is unknown. We investigated the influence of use of VKA and NOAC on calcification of the aorta and aortic valve.

Methods In patients with atrial fibrillation without a history of major adverse cardiac or cerebrovascular events who underwent computed tomographic angiography, the presence of ascending aorta calcification (AsAC), descending aorta calcification (DAC), and aortic valve calcification (AVC) was determined. Confounders for VKA/NOAC treatment were identified and propensity score adjusted logistic regression explored the association between treatment and calcification (Agatston score > 0). AsAC, DAC, and AVC differences were assessed in propensity score–matched groups.

Results Of 236 patients (33% female, age: 58 ± 9 years), 71 (30%) used VKA (median duration: 122 weeks) and 79 (34%) used NOAC (median duration: 16 weeks). Propensity score–adjusted logistic regression revealed that use of VKA was significantly associated with AsAC (odds ratio [OR]: 2.31; 95% confidence interval [CI]: 1.16–4.59; p = 0.017) and DAC (OR: 2.38; 95% CI: 1.22–4.67; p = 0.012) and a trend in AVC (OR: 1.92; 95% CI: 0.98–3.80; p = 0.059) compared with non-anticoagulation. This association was absent in NOAC versus non-anticoagulant (AsAC OR: 0.51; 95% CI: 0.21–1.21; p = 0.127; DAC OR: 0.80; 95% CI: 0.36–1.76; p = 0.577; AVC OR: 0.62; 95% CI: 0.27–1.40; p = 0.248). A total of 178 patients were propensity score matched in three pairwise comparisons. Again, use of VKA was associated with DAC (p = 0.043) and a trend toward more AsAC (p = 0.059), while use of NOAC was not (AsAC p = 0.264; DAC p = 0.154; AVC p = 0.280).

Conclusion This cross-sectional study shows that use of VKA seems to contribute to vascular calcification. The calcification effect was not observed in NOAC users.

Keywords

cardiac events - computed tomographic imaging - aortic and arterial diseases - atrial fibrillation - oral anticoagulant treatment

Full Text

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Supplementary Material