ArticleCureus2025
Congenital Absence of the Left Atrial Appendage and Possible Effects on Thrombosis: A Case Report.
Article in Cureus, 2025. 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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The left atrial appendage (LAA) is a common site for thrombus formation in atrial fibrillation (AF) and often the focus of imaging prior to cardioversion. We present a rare case of a 64-year-old male undergoing routine transesophageal echocardiography (TEE) prior to electrical cardioversion, during which the LAA was not visualized. Further evaluation confirmed congenital absence of the LAA - a seldom-reported finding with uncertain implications for stroke risk and anticoagulation management. This report adds to the limited literature on this anomaly and underscores the importance of a systematic approach when faced with unexpected imaging findings. Although the absence of the LAA might theoretically reduce thromboembolic risk, current evidence is insufficient to alter management, and standard anticoagulation guidelines for AF should still be followed.
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