ArticleJACC. Case reports2026
Large Left Ventricular Aneurysm Caused by Aortic Stenosis and Exacerbated by Prosthesis-Patient Mismatch.
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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10 authors.
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Abstract
backgroundFew reports have documented left apical ventricular aneurysm attributable solely to aortic valve stenosis, rapidly exacerbated by prosthesis-patient mismatch (PPM), and necessitating unconventional redo surgical strategies. CASE SUMMARY: A 42-year-old woman with a 17-year cardiac disease history was admitted to our institution. In 2018, she received a 17-mm mechanical aortic valve. In 2024, the unconventional redo procedures comprised left-ventricular aneurysmoplasty, direct-visualization endocardial radiofrequency ablation, Y-incision aortic root enlargement, and aortic and mitral valve replacement. DISCUSSION: During the initial operation, implantation of a 17-mm prosthesis created moderate PPM, deteriorating over time. Achieving a balance between avoiding PPM and the risk of iatrogenic mitral compromise is often challenging but clinically essential. TAKE-HOME MESSAGES: Isolated aortic valve stenosis gives rise to an apical ventricular aneurysm, and PPM accelerates its expansion. The complex redo surgery demands meticulous preoperative planning and tactical intraoperative decision-making.
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