Knowledge, satisfaction, and concerns regarding warfarin therapy and their association with warfarin adherence and anticoagulation control

Wang, Ye; Kong, Ming; Lee, Lai Heng; Ng, Heng Joo; Ko, Yu

doi:10.1016/j.thromres.2014.01.002

Cited by 81 publications

(76 citation statements)

References 39 publications

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“…Actions aimed at improving knowledge about anticoagulant therapy can significantly increase adherence to treatment and control of the INR 10 . However, these studies have substantial methodological limitations regarding the lack of use of a reliable instrument specifically validated to assess the patients' knowledge about anticoagulant therapy 11 .…”

Section: Introductionmentioning

confidence: 99%

Adaptação Transcultural do Oral Anticoagulation Knowledge Test para o Português do Brasil

Praxedes

Abreu²,

Ribeiro³

et al. 2017

Ciênc. saúde coletiva

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Section: Introductionmentioning

confidence: 99%

Adaptação Transcultural do Oral Anticoagulation Knowledge Test para o Português do Brasil

Praxedes

Abreu²,

Ribeiro³

et al. 2017

Ciênc. saúde coletiva

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“…[12,13] Studies show that patients who presented satisfactory adherence spent less money on the drug compared to those who had average or low adherence. The high cost of medicine, transportation expenses for mobility to the health service and the long treatment were also identified as predisposing factors for low medication adherence.…”

Section: Discussionmentioning

confidence: 99%

Adherence to therapy with oral anticoagulants and associated factors: an integrative review

et al. 2016

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“…Several questionnaires were reviewed and developed on the bases of previous publications [9][10][11]. In addition to available patient counselling materials that are usually provided to the new patients in the anticoagulation clinic, we developed and used a four step questionnaire that is detailed in the supplementary materials (Warfarin Questionnare.docx).…”

Section: Survey Questionnairementioning

confidence: 99%

Anticoagulation therapy: patients attitude, knowledge, and concerns regarding their effects on the international normalized ratio (INR) in Saudi Arabia

Alsaikhan¹,

Abdel-Aziz²,

Ashour³

et al. 2018

biomedicalresearch

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Introduction: Thoughtful evaluation of patients' knowledge, satisfaction, and concerns in Anticoagulation clinics will help to understand areas of improvement. Our study aimed to examine patients' drug knowledge, satisfaction and concerns with provided anticoagulation services. Patients and methods: We designed our study as a cross-sectional survey that was developed and conducted in a regional anticoagulation clinic with good number of patients. Two hundred sixty eight were recruited in the survey. Patients' warfarin refill records and time within the therapeutic INR range were retrieved from hospital databases. Results: Adequate knowledge of warfarin-food and warfarin-drug interactions was lacking in about 50% of patients. Satisfaction with provided service was not optimal, Concerns associated with warfarin was bothersome to many patients due to possible drug-drug interactions (41.42%), missed doses impact (29.10%), adverse drug reactions (29.85%). All of which might lead to unfavorable consequences. Higher satisfaction was associated with better knowledge (r=0.27, p=0.001) and fewer concerns (rs=-0.26, p=0.002). Improved drug related knowledge and higher satisfaction were positively reflected in these patients' attitude toward drug use compliance in knowledge (rs=0.23, p=0.01) and satisfaction (rs=0.19, p=0.041). Eventually, good INR control was shown more with better knowledge, higher satisfaction, and better warfarin adherence (p=0.004, 0.03, 0.04 and 0.004, respectively). Conclusion: There is a deficit in patients' knowledge and satisfaction with warfarin therapy. Such deficits lifted the threshold of concerns with warfarin use and negatively affected INR control.

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Knowledge, satisfaction, and concerns regarding warfarin therapy and their association with warfarin adherence and anticoagulation control

Cited by 81 publications

References 39 publications

Adaptação Transcultural do Oral Anticoagulation Knowledge Test para o Português do Brasil

Adaptação Transcultural do Oral Anticoagulation Knowledge Test para o Português do Brasil

Adherence to therapy with oral anticoagulants and associated factors: an integrative review

Anticoagulation therapy: patients attitude, knowledge, and concerns regarding their effects on the international normalized ratio (INR) in Saudi Arabia

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