ArticleCureus2026
Right Atrial Vegetation on a Chiari Network Presenting With Multifocal Pulmonary Lesions.
Article in Cureus, 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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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The Chiari network is a rare embryological fenestrated web-like structure located in the right atrium, present in approximately 2-3% of the general population. Infective endocarditis of the Chiari network is exceedingly rare and poses significant diagnostic and management challenges. We present a case of a 67-year-old male with hypertension, chronic obstructive pulmonary disease (COPD), and chronic hepatitis C who presented with malaise and dyspnea. Workup revealed multifocal bilateral pulmonary opacities on computed tomography (CT) of the chest, and transthoracic echocardiography (TTE) identified a right atrial echodensity of uncertain significance. The infectious workup was unrevealing. Transesophageal echocardiography (TEE) subsequently demonstrated a new oscillating echodensity on the Chiari network, leading to a diagnosis of Chiari network endocarditis. The patient was treated empirically with a six-week course of intravenous antibiotics. Our case highlights the importance of advanced cardiac imaging in diagnosing Chiari network endocarditis and embolic pulmonary findings.
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