Key result
Autologous LAA reconstruction of the right atrium enables successful remodeling at 9 months in endocarditis.
Why the study?
Infective endocarditis with paravalvular abscess and unexpected right atrial free wall infection presents complex surgical challenges requiring innovative reconstruction techniques.
Case Report (n=1)
No
The left atrial appendage can be successfully utilized as an autologous tissue graft for right atrial reconstruction in complex cases of infective endocarditis.
May offer autologous LAA reconstruction for complex RA endocarditis; hypothesis-generating, should not yet change practice.
We herein present a case of infective endocarditis of the mitral valve and a paravalvular abscess around the tricuspid valve. Preoperative blood culture confirmed the presence of pathogenic diphtheroids. During the operation, an unexpected infection of the free wall of the right atrium (RA) near the tricuspid annulus was found. We harvested the left atrial appendage (LAA) en bloc. After resection of the infected and abnormal tissues, the resected LAA was used to reconstruct the RA. The infected mitral valve was replaced with a mechanical valve without any accident. Postoperative echocardiography showed that the RA had a supple shape, with no kinking.
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Jiang et al. (2021) conducted a case report in Infective endocarditis and paravalvular abscess (n=1). Reconstruction of the right atrium with the left atrial appendage was evaluated on Clinical recovery and right atrium remodeling. Reconstruction of the right atrium using the autologous left atrial appendage was successfully performed in a patient with infective endocarditis, resulting in good remodeling over 9 months.
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