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Hintergrund und Fragestellung: Die transapikale Aortenklappenimplantation hat sich bei Hochrisikopatienten mit degenerativer Aortenklappenstenose zu einer alternativen Therapieoption zum konventionellen Aortenklappenersatz entwickelt. Ziel der vorliegenden Studie war, basierend auf den eigenen Erfahrungen mit diesem Verfahren, eine etwaige Lernkurve zu analysieren. Patienten und Methodik:...
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