ArticleEuropean heart journal. Imaging methods and practice2025
Ethnic variation in aortic root anatomy and prosthesis sizing in TAVI: a UK matched study.
Article in European heart journal. Imaging methods and practice, 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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Abstract
Aims: Ethnic variation in aortic root anatomy may influence transcatheter aortic valve implantation (TAVI) planning and outcomes. While Asian patients are reported to have smaller aortic dimensions than their Western counterparts, data for Southeast Asians in the UK are scarce. Methods and results: We retrospectively analysed all Southeast Asian patients undergoing TAVI at a large UK centre (January 2018-October 2023), matched 2:1 by age and sex to Caucasian patients. Baseline demographics, CT-derived aortic measurements, procedural details, and post-procedural outcomes were compared. Of 1230 patients undergoing TAVI, 44 Southeast Asians were matched to 84 Caucasians. Compared with Caucasians, Southeast Asians had lower BMI (25.8 ± 4.6 vs. 29.4 ± 6.5 kg/m², Conclusion: Southeast Asian patients in the UK undergoing TAVI have smaller annular dimensions and receive smaller prostheses compared with Caucasians, partly reflecting differences in body habitus. These findings have implications for prosthesis selection, procedural planning, and lifetime valve management.
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