Observational studyBMC medical imaging2025
Anatomical features of aortic root in patients with aortic stenosis treated by TAVR: an observational study.
Observational study in BMC medical imaging, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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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Who cites it
2 citing papers in PubMed.
- Escalating Diameter Buddy Balloon in Transcatheter Aortic Valve Implantation With Complex Aortic Arch.Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2026Article
- 30-Day Outcomes of a Controlled-Bending Delivery System for TAVR in Severe Aortic Stenosis.JACC. Case reports · 2025Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTranscatheter aortic valve replacement (TAVR) is a well-established technique for the treatment of aortic stenosis (AS). However, due to the complex anatomical features of the aortic root, the risk of vascular injury caused by operation under the condition of anatomical variations of the aortic root is high, and there is a lack of studies on the anatomical features of the aortic root on CT before TAVR. Therefore, this study will preliminarily summarize anatomical features of aortic root in patients with aortic stenosis treated by TAVR.
methodsA retrospective study was conducted at a single center, involving 60 patients with symptomatic severe AS treated TAVR between September 2022 and December 2022. Baseline patient information, CT measurements of aortic root anatomical characteristics, and associated risks were analyzed.
resultsThe mean age of the 60 patients was 77.72 ± 4.33 years, with 39 males (65.00%). The left ventricular ejection fraction was 65.46 ± 13.92%. Valve morphology included 38 cases (63.30%) of tricuspid valves and 22 cases (36.70%) of bicuspid valves. Common anatomical risks identified were acute aortic arch (18.33%), a short ascending aorta (10.00%, 8.33%, 16.67%, 15.00%), ascending aortic dilation (3.33%), a transverse heart (28.33%), cardiac anteversion (68.33%), a short left ventricle (5.00%), and a small left ventricle (5.00%).
conclusionPreoperative cardiac CT scans detect aortic root morphological angle abnormalities in TAVR patients. Angular dimensions of the aortic root show considerable variability among patients, which may have procedural implications for TAVR.
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