ArticleJACC. Case reports2026
Incidental Right Atrial Appendage Thrombosis in a Patient With a Left Atrial Appendage Occlusion Device.
Article in JACC. Case reports, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
backgroundRight atrial appendage (RAA) thrombosis is exceedingly rare, is usually found incidentally on imaging, and carries a high thromboembolic risk. CASE SUMMARY: An 83-year-old man with chronic atrial fibrillation complicated by previous bleeding episodes on anticoagulation and managed most recently with a WATCHMAN device presented after a mechanical fall. Imaging work-up revealed a new incidental finding of RAA thrombosis. DISCUSSION: This case highlights an uncommon thrombotic finding and that atrial fibrillation is a biatrial disease. Occlusion of the left atrial appendage does not eliminate the risk of right-sided thrombosis. TAKE-HOME MESSAGES: Thromboembolic prevention in patients with chronic atrial fibrillation is challenging. Left atrial appendage occlusion devices, although effective, do not eliminate the risk of RAA thrombosis, as atrial fibrillation is a biatrial disease.
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