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Relevance of depression for anticoagulation management in a routine medical care setting: results from the ThrombEVAL
M Michal1, J H Prochaska, A Ullmann
1Department of Psychosomatic Medicine and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany.
Insights
Depression significantly impacts anticoagulation treatment, leading to lower compliance and satisfaction. Addressing depressive symptoms is crucial for managing patients on blood thinners.
Area of Science:
- Internal Medicine
- Psychiatry
- Pharmacology
Background:
- Depressive symptoms negatively affect quality of life and mortality.
- Poor treatment adherence, often linked to depression, increases adverse medical event risks.
- Adherence to oral anticoagulation is vital for patient outcomes.
Purpose of the Study:
- To investigate the clinical relevance of current depressive symptoms in patients undergoing anticoagulation therapy.
- To assess the impact of depression on anticoagulation treatment adherence, health literacy, side-effects, and satisfaction.
Main Methods:
- Cross-sectional study of 1790 outpatients on oral anticoagulation.
- Assessed clinically significant depressive symptoms using Patient Health Questionnaire-2 (PHQ-2 ≥ 2).
- Examined associations with time in therapeutic range (TTR), self-rated compliance, health literacy, side-effects, and treatment satisfaction.
Main Results:
- 40% of patients exhibited clinically significant depressive symptoms.
- Depressed patients reported lower medication adherence, fewer control visits, more side-effects, and reduced treatment satisfaction.
- Depressed individuals had a lower TTR, though this association lost significance after multivariable adjustment.
Conclusions:
- Clinically significant depression is highly prevalent among anticoagulation patients.
- Depression impairs treatment adherence, satisfaction, and potentially anticoagulation control.
- Depressive symptoms require clinical attention in managing anticoagulation therapy.
Background:
Depressive symptoms have detrimental effects on quality of life and mortality. Poor adherence to a treatment regimen is a potential mechanism for the increased risk of adverse medical events associated with depression. Regarding oral anticoagulation with vitamin K antagonists, adherence is crucial for the outcome. Little is known about the clinical relevance of current depressiveness for anticoagulation treatment.
Objectives:
To examine the impact of current depressiveness on anticoagulation treatment in regular medical care.
Patients/Methods:
We examined the association between clinically significant depressiveness as assessed by the Patient Health Questionnaire-2 ≥ 2 (PHQ-2 ≥ 2) with the percentage of time in the therapeutic range (TTR), self-rated compliance, several aspects of health literacy, anticoagulation side-effects and treatment satisfaction in a cross-sectional study of 1790 oral anticoagulation outpatients.
Results:
Seven hundred and sixteen participants (40.0%) had clinically significant depressive symptoms. Depressed persons reported lower compliance with intake of prescribed medication and regular visits for control of anticoagulation, more unspecific side-effects (e.g. pruritus) and lower satisfaction with the anticoagulation treatment and their doctors' expertise and empathy. Depressed as compared with non-depressed individuals had a lower TTR (-4.67; 95% CI, -8.39 to -0.95). Increasing severity of depressiveness was related with decreasing TTR. However, depressiveness lost its significant impact on TTR after multivariable adjustment (-3.11; 95% CI, -6.88 to 0.66).
Conclusions:
Clinically significant depressiveness was highly prevalent and impaired several aspects of anticoagulation treatment. Depressiveness should be regarded as a clinically significant condition that needs to be addressed in the management of anticoagulation patients.
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