ArticleClinical anatomy (New York, N.Y.)2025
Anatomical description of malformations of the neck of the left atrial appendage.
Article in Clinical anatomy (New York, N.Y.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Position paper of the Polish Society of Cardiothoracic Surgeons and the Heart Rhythm Association of the Polish Society of Cardiology on atrial fibrillation hybrid management.Kardiochirurgia i torakochirurgia polska = Polish journal of cardio-thoracic surgery · 2025Article
- Anatomical description of malformations of the neck of the left atrial appendage.Clinical anatomy (New York, N.Y.) · 2025Article
- First-in-Human Percutaneous Epicardial-Only Left Atrial Appendage Closure Using Sierra Left Atrial Appendage Ligation System.Journal of clinical medicine · 2024Article
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Authors and funding
11 authors.
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Abstract
The recently-described left atrial appendage (LAA) neck is a truncated cone-shaped structure that connects the LAA orifice to its lobe. It shows malformations in some cases, but their exact description and clinical significance are unknown. Therefore, the aim of this study was to provide a detailed anatomical and morphometric analysis of LAA neck malformations in clinical context. A total of 250 autopsied human hearts (20.0% women, 46.7 ± 18.2 years old) were examined for mural malformations: spikes and bulges. Endocardial roughness of the LAA neck with a depth <2 mm and no recognizable epicardial protrusion was defined as ectopic trabeculation. LAA neck malformations were found in 13.6%, bulges in 10.0% of the hearts examined, spikes in only 3.2%, and ectopic trabeculations in 24.8%. In one case, both a bulge and a spike were found in the LAA neck. Most LAA neck roughness was observed on the aortic and venous surfaces of the LAA neck. Those surfaces were the most common locations for malformations and ectopic trabeculations. The LAA wall was significantly thinner than the surrounding neck wall within the bulges and the ectopic trabeculations, but not in the spikes.
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