Key result
Horizontal cardiac orientation and ascending aortic dilation signal markedly higher TAVR risk in elderly BAV patients.
Why the study?
In elderly patients with bicuspid aortic valves, concomitant horizontal cardiac orientation and ascending aortic dilation confer markedly higher procedural risk during TAVR.
Case Report (n=1)
The presence of a horizontal heart and ascending aorta dilation significantly increases procedural risk during TAVR in elderly patients with bicuspid aortic stenosis.
Answers are grounded in this paper and cite their sources.
Prompts enhanced CT scrutiny of cardiac orientation and aortic size before TAVR in elderly bicuspid patients; extends anatomical risk models.
Transcatheter aortic valve replacement (TAVR) has advanced from an emerging technology to a standard therapeutic option for high-risk patients with symptomatic severe aortic stenosis (AS). Procedural risk correlates strongly with aortic root anatomy. In elderly patients with bicuspid aortic valves, concomitant horizontal cardiac orientation and ascending aortic dilation confer markedly higher procedural risk.
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Tang et al. (2026) conducted a case report in Bicuspid aortic stenosis with severe horizontal heart and ascending aorta dilation (n=1). Transcatheter aortic valve replacement (TAVR) was evaluated. Concomitant horizontal cardiac orientation and ascending aortic dilation confer markedly higher procedural risk during TAVR in elderly patients with bicuspid aortic valves.
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