ArticleJACC. Case reports2025
Embolization of Left Ventricular Outflow Tract Calcification After TAVR With a Self-Expanding Valve.
Article in JACC. Case reports, 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.
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10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSevere aortic stenosis with extensive left ventricular outflow tract (LVOT) calcification poses challenges during transcatheter aortic valve replacement. CASE SUMMARY: An 85-year-old man with severe aortic stenosis and extensive annular-to-LVOT calcification underwent transcatheter aortic valve replacement with a Navitor system (Abbott). To avoid conduction disturbances, the valve was deployed within the membranous septum under intracardiac echocardiography guidance, using partial recapture and the distal opening technique. Immediately after the procedure, displaced LVOT calcification embolized the left main coronary artery, leading to cardiogenic shock. The patient was successfully treated with emergency percutaneous intervention and was discharged without other embolic events. DISCUSSION: The LVOT calcification, which showed no mobility preoperatively, appeared mobile after the procedure, suggesting that device manipulation may have caused its disruption and embolization. TAKE-HOME MESSAGE: It is important to be aware of the possibility that a partially retracted, slightly opened self-expanding valve may interact with LVOT calcification.
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