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Minor bleeding affects the level of knowledge in patients with atrial fibrillation on oral anticoagulant therapy.

Abstract：

BACKGROUND:Anticoagulant therapy in patients with atrial fibrillation (AF) increases the risk of minor bleeding, which is mostly accepted by patients. We aimed to assess whether continuation of anticoagulation despite minor bleeding is associated with a higher level of knowledge on AF and anticoagulation. METHODS AND RESULTS:In 1525 patients with AF on oral anticoagulation who completed the Jessa AF Knowledge Questionnaire (JAKQ) (median age: 72 years [range, 65-79 years]; men: 54.6%), persistent self-reported minor bleeding was recorded. Minor bleeding was observed in 567 patients (37.2%) including 224 patients (39.5%) on vitamin K antagonists (VKAs) and 343 (60.5%) on non-vitamin K antagonist oral anticoagulants (NOACs). The risk of minor bleeding was lower among patients on NOACs than on VKAs (33.5% vs 44.6%; P < .0001). Multiple logistic regression showed that minor bleeding was associated with the use of NOACs (odds ratio [OR] 0.75; 95% CI 0.59-0.97), female gender (OR 2.19; 95% CI, 1.74-2.75; P < .0001), history of major bleeding (OR 2.85; 95% CI, 1.96-4.14; P < .0001), time since AF diagnosis (OR 1.04; 95% CI, 1.01-1.06; P < .0001), concomitant vascular disease (OR 1.43; 95% CI, 1.10-1.87; P = .0008) and diabetes mellitus (OR 1.3; 95% CI, 1.02-1.65, P = .03). Patients with minor bleeding, compared with the remaining subjects scored higher on the JAKQ (median, 62.5% vs 56.2%, respectively, P < .0001). The former group knew more about the purpose of anticoagulant therapy (71.8% vs 65.7%, P = .01) and bleeding as its key side effect (66.1% vs 52.7%, P < .0001), and were better informed on the safest painkillers to use in combination with anticoagulation (48% vs 35%, P < .0001). CONCLUSION:This study suggests that AF patients who accept persistent minor bleeding have better knowledge on the disease and anticoagulation therapy compared with those free of these side effects.

journal_name

Int J Clin Pract

journal_title

International journal of clinical practice

authors

Metzgier-Gumiela A,Skonieczny G,Konieczyńska M,Desteghe L,Heidbuchel H,Undas A

doi

10.1111/ijcp.13483

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

e13483

issue

eissn

1368-5031

issn

1742-1241

journal_volume

pub_type

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Minor bleeding affects the level of knowledge in patients with atrial fibrillation on oral anticoagulant therapy.