ArticleDie Ophthalmologie2024
[Survey on blood thinning therapy in patients with age-related macular degeneration].
Article in Die Ophthalmologie, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 1 institution in 1 country.
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Abstract
backgroundPatients with age-related macular degeneration (AMD) often receive concomitant systemic blood thinning medications. These are known to increase the risk of severe hemorrhage also in connection with AMD, which can lead to extensive subretinal hemorrhaging.
objectiveThe purpose of this study was to investigate the proportion of patients with AMD and concomitant blood thinning treatment, including the type and reason for blood thinning treatment.
methodsThis survey was prospectively conducted at the University Eye Hospital, Bonn, Germany. Volunteers were recruited during retinal consultations and the consultations for intravitreal injections (IVOM).
resultsThe questionnaire was completed by 178 patients. The mean age was 81.7 years (58-100) and 101 patients (57.7%) were undergoing blood thinning treatment. The majority of patients were taking antiplatelet agents (n = 59; 58.4%), especially ASA (n = 55; 54.5%). Direct oral anticoagulants (DOAC) were taken by 33 patients (32.7%), including most frequently apixaban (17.8%). Vitamin K antagonists (VKA) was taken by 4 patients (4%). The most common reason for blood thinning treatment was atrial fibrillation (n = 32, 31.7%), followed by stent implantation (n = 20, 19.8%) and stroke (n = 12, 11.9%) but 13 patients (12.9%) did not know why they were undergoing blood thinning treatment. No clear indications for the use of blood thinners were found in 31 patients (30.7%).
conclusionA large proportion of patients with AMD undergo blood thinning treatment; however, not every patient has a clear indication. Due to the increased risk of bleeding, the use of blood thinners should be critically evaluated in close cooperation with primary care physicians and cardiologists.
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