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Thromb Haemost 2020; 120(02): 306-313
DOI: 10.1055/s-0039-1697954
Stroke, Systemic or Venous Thromboembolism
Georg Thieme Verlag KG Stuttgart · New York

NOAC Adherence of Patients with Atrial Fibrillation in the Real World: Dosing Frequency Matters?

Jongmin Hwang 
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Seongwook Han 
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Han-Joon Bae
2   Division of Cardiology, Department of Internal Medicine, Daegu Catholic University Medical Center, Daegu, South Korea
,
Seung-Woon Jun
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Sang-Woong Choi
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Cheol-Hyun Lee
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
In-Cheol Kim
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Yun-Kyeong Cho
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Hyoung-Seob Park
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Hyuck-Jun Yoon
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Hyungseop Kim
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Chang-Wook Nam
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Seung-Ho Hur
1   Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea
,
Sang-Hoon Lee
3   Division of Cardiology, Department of Internal Medicine, SM Christianity Hospital, Pohang, South Korea
› Institutsangaben Funding This research was supported by a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI17C2594).
Weitere Informationen

Publikationsverlauf

05. April 2019

16. August 2019

Publikationsdatum:
28. Oktober 2019 (online)

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Abstract

Background and Objectives Nonvitamin K antagonist oral anticoagulants (NOACs) require stricter medication adherence. We investigated the NOACs adherence in real-world practice.

Methods We screened all patients in our cardiology department the day before their outpatient appointment, over a 5-month period. We enrolled 719 consecutive patients who were taking NOACs for atrial fibrillation. The patients were contacted by phone or text to bring the remnant pills with them without any information why. Adherence was measured by the percentage of prescribed doses taken (PDT) (number of doses taken/number of doses expected to be taken from the last prescription × 100 [%]) and the Morisky Medication Adherence Scale (MMAS)-8.

Results All 4 NOACs (apixaban 47.8%, dabigatran 21.2%, rivaroxaban 18.4%, and edoxaban 12.6%) were prescribed. The mean duration that the patients had been taking NOACs was 7.2 ± 5.7 months. The PDT was 95.4 ± 9.1% in the once-daily dosing group and 93.4 ± 12.7% in the twice-daily group, and the difference was statistically significant (p = 0.017). The mean MMAS was 2.6 ± 0.8. The proportion of patients with a PDT < 80% was 7.8%. They had a significantly higher MMAS than the PDT ≥ 80% group (3.4 vs. 2.5; p = 0.000).

Conclusion Most patients who were taking NOACs had excellent adherence regardless of the dosing frequency. An MMAS ≥ 3 could be used as a simple screening tool for a poor NOAC adherence.

Keywords

medication adherence - anticoagulant - atrial fibrillation

Supplementary Material

Leserbrief zu diesem Artikel:

The Compelling Issue of Nonvitamin K Antagonist Oral Anticoagulant Adherence in Atrial Fibrillation Patients: A Systematic Need for New StrategiesThromb Haemost 2020; 120(03): 369-371
DOI: 10.1055/s-0040-1702231

 

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