Observational studyJournal of cardiothoracic surgery2026
Impact of surgical timing on outcomes after transcatheter aortic valve explantation: insights from a French multicenter retrospective study.
Observational study in Journal of cardiothoracic surgery, 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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Abstract
backgroundSurgical explantation of transcatheter aortic valves (TAV-explant) is an emerging but uncommon procedure, increasingly required as TAVI is performed in younger and lower-risk patients. Contemporary evidence on outcomes, timing, and valve type remains limited.
methodsWe conducted a multicenter retrospective study of patients undergoing surgical TAV-explant. Clinical characteristics, indications, surgical strategies, and outcomes were analyzed. Outcomes were compared according to the interval between index TAVI and explantation (< 1 month, 1-12 months, > 12 months). The indication and the type of initial transcatheter valve (balloon-expandable vs. self-expanding) were also analyzed. The primary outcome was 30-day mortality.
resultsA total of 62 patients were included. Indications for TAV-explantation were predominantly bioprosthetic valve dysfunction (45.2%), infective endocarditis. (21%), and procedural failure (33.9%)The 30-day mortality was 16.1% and did not differ according to the delay of explantation (p = 0.816). Overall mortality did not differ according to the indication of explantation, nor by type of explanted valve. Concomitant aortic surgery was required in 18% of cases. Although EuroSCORE II values were elevated in this cohort, this tool underestimated the operative risk, as it was not designed for complex redo surgery.
conclusionsTAV-explantation is technically feasible but remains associated with substantial early mortality. Outcomes are not influenced by the timing of explantation or by valve type. These findings highlight the limitations of current surgical risk scores and underscore the importance of thorough pre-operative planning and Heart Team evaluation. Continued multicenter data collection is essential to optimize patient selection and refine management strategies.
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