Extent of arterial calcification by conventional vitamin K antagonist treatment

Selma Hasific*, Kristian Altern Øvrehus, Oke Gerke, Jesper Hallas, Martin Busk, Jess Lambrechtsen, Grazina Urbonaviciene, Niels Peter Rønnow Sand, Jens Steen Nielsen, Louise Diederichsen, Kenneth Bruun Pedersen, Rasmus Carter-Storch, Nivethitha Ilangkovan, Hans Mickley, Lars Melholt Rasmussen, Jes Sandal Lindholt, Axel Diederichsen

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BACKGROUND AND AIMS: Vitamin K antagonists (VKA) remain the most frequently prescribed oral anticoagulants worldwide despite the introduction of non-vitamin K antagonist oral anticoagulants (NOAC). VKA interfere with the regeneration of Vitamin K1 and K2, essential to the activation of coagulation factors and activation of matrix-Gla protein, a strong inhibitor of arterial calcifications. This study aimed to clarify whether VKA treatment was associated with the extent of coronary artery calcification (CAC) in a population with no prior cardiovascular disease (CVD).

METHODS: We collected data on cardiovascular risk factors and CAC scores from cardiac CT scans performed as part of clinical examinations (n = 9,672) or research studies (n = 14,166) in the period 2007-2017. Data on use of anticoagulation were obtained from the Danish National Health Service Prescription Database. The association between duration of anticoagulation and categorized CAC score (0, 1-99, 100-399, ≥400) was investigated by ordered logistic regression adjusting for covariates.

RESULTS: The final study population consisted of 17,254 participants with no prior CVD, of whom 1,748 and 1,144 had been treated with VKA or NOAC, respectively. A longer duration of VKA treatment was associated with higher CAC categories. For each year of VKA treatment, the odds of being in a higher CAC category increased (odds ratio (OR) = 1.032, 95%CI 1.009-1.057). In contrast, NOAC treatment duration was not associated with CAC category (OR = 1.002, 95%CI 0.935-1.074). There was no significant interaction between VKA treatment duration and age on CAC category.

CONCLUSIONS: Adjusted for cardiovascular risk factors, VKA treatment-contrary to NOAC-was associated to higher CAC category.

OriginalsprogEngelsk
Artikelnummere0241450
TidsskriftPLOS ONE
Vol/bind15
Udgave nummer10
Antal sider14
ISSN1932-6203
DOI
StatusUdgivet - 29. okt. 2020

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