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Assessment of bystander coronary artery disease in transcatheter aortic valve replacement (TAVR) patients using noncoronary-dedicated planning computed tomography angiography (CTA): diagnostic accuracy in a retrospective real-world cohort.
Clin Radiol
December 2024
Department of Radiology, Division of General Radiology, Medical University of Graz, Auenbruggerplatz 9, 8036 Graz, Austria; Department of Radiology and Nuclear Medicine, University Hospital Wiener Neustadt, Corvinusring 3-5, 2700 Wiener Neustadt, Austria.
Aim: To assess the diagnostic potential of a noncoronary-dedicated pre-TAVR CT angiography (CTA) conducted as a prospective ECG-gated scan without premedication and standard cardiac reconstructions in evaluating bystander coronary artery disease (CAD) against invasive coronary angiography (ICA) as the gold standard.
Materials And Methods: This retrospective study included 232 patients who underwent both CTA and ICA as part of their pre-TAVR evaluation. Exclusion criteria included prior stent, pacemaker, coronary artery bypass, or valve surgery.
CT imaging post-TAVI: Murphy's first law in action-preparing to recognize the unexpected.
Insights Imaging
June 2024
Department of Biomedical Sciences, Humanitas University, via Rita Levi Montalcini 4, 20090, Milan, Pieve Emanuele, Italy.
Transfemoral aortic valve implantation (TAVI) has been long considered the standard of therapy for high-risk patients with severe aortic-stenosis and is now effectively employed in place of surgical aortic valve replacement also in intermediate-risk patients. The potential lasting consequences of minor complications, which might have limited impact on elderly patients, could be more noteworthy in the longer term when occurring in younger individuals. That's why a greater focus on early diagnosis, correct management, and prevention of post-procedural complications is key to achieve satisfactory results.
View Article and Find Full Text PDFCoronary computed tomography angiographic detection of in-stent restenosis via deep learning reconstruction: a feasibility study.
Eur Radiol
April 2024
Department of Cardiology, Fujita Health University, 1-98 Dengakugakubo, Kutsukake, Toyoake, Aichi, 470-1192, Japan.
Article Synopsis
- A study was conducted to investigate the effectiveness of deep learning reconstruction (PIQE) versus conventional imaging techniques (FIRST) in assessing in-stent restenosis (ISR) in small coronary stents during CT angiography.
- The analysis involved 166 stents in 85 patients, measuring factors like stent strut thickness and lumen diameter to determine ISR presence, where a stenosis of 50% or more was considered significant.
- Results showed that PIQE outperformed FIRST in image quality and ISR detection accuracy, especially for stents under 3.0 mm, suggesting that PIQE could enhance diagnostic processes and potentially reduce the necessity for invasive coronary angiography in certain patients.
The Stent's Gatekeeper: Inflow Disease.
Eur J Vasc Endovasc Surg
December 2022
The RANE Centre for Venous and Lymphatic Diseases, Jackson, MS, USA. Electronic address:
Response to: "The Stent's Gatekeeper: Inflow Disease".
Eur J Vasc Endovasc Surg
December 2022
Academic Department of Vascular Surgery, School of Cardiovascular Medicine & Sciences, British Heart Foundation Centre of Research Excellence, King's College London, St. Thomas' Hospital, London SE1 7EH, UK. Electronic address:
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