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Coronary artery dominance influences the distribution of calcified plaques in the coronary tree.
Coron Artery Dis
January 2025
Department of Medicine, Lundquist Institute at Harbor-UCLA Medical Center, Los Angeles.
Background: Coronary artery dominance is determined by the coronary artery emitting the posterior descending artery. In the left dominant system, a greater proportion of coronary flow enters the left coronary artery, potentially influencing calcified plaque development in the left anterior descending artery (LAD).
Methods: This retrospective single-center cohort study analyzed patients who underwent computed tomography angiography from September 2006 to December 2022 at Harbor-UCLA in Los Angeles, California.
Three-Dimensional CT for Preprocedural Planning of PCI for Ostial Right Coronary Artery Lesions: A Randomized Controlled Pilot Trial.
Circ Cardiovasc Interv
January 2025
Department of Cardiology, Ziekenhuis Oost-Limburg, Genk, Belgium (D.M.F.v.d.B., E.M.P., E.W., D.C., E.M., B.F., M.V., J.D., K.A.).
Background: Geographic stent-ostium mismatch is an important predictor of target lesion failure after percutaneous coronary intervention of an aorto-ostial right coronary artery lesion. Optimal visualization of the aorto-ostial plane is crucial for precise stent implantation at the level of the ostium. This study investigates whether preprocedural 3-dimensional computed tomography (3DCT), with determination of the optimal viewing angle, would allow for more precise stent implantation and reduce procedure time, contrast, and radiation dose.
View Article and Find Full Text PDFEffects of Inlet Geometry on Perfusion and Ischemia in Anomalous Aortic Origin of the Right Coronary Artery (AAORCA).
Cureus
December 2024
University of Florida Health Congenital Heart Center, University of Florida College of Medicine, Gainesville, USA.
Anomalous aortic origin of a coronary artery (AAOCA) comprises a set of rare congenital abnormalities in the origin or path of the coronary arteries with highly variable clinical implications. This is a pilot feasibility study where we investigated the influence of the anomalous coronary artery inlet architecture on coronary perfusion using coronary blood flow computational simulations to help predict the risk for coronary ischemia in patients with anomalous aortic origin of the right coronary artery (AAORCA) with these types of anomalous coronary artery inlet architectures. We developed a protocol for generating 3D models of patient coronary artery anatomies from an IRB-approved dataset of cardiac CT images of patients with AAORCA at our institution.
View Article and Find Full Text PDFDosimetric Planning Comparison for Left Ventricle Avoidance in Non-small Cell Lung Cancer Radiotherapy.
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Physics and Engineering, London Regional Cancer Program, London, CAN.
Introduction: Radiation may unintentionally injure myocardial tissue, potentially leading to radiation-induced cardiac disease (RICD), with the net benefit of non-small cell lung cancer (NSCLC) radiotherapy (RT) due to the proximity of the lung and heart. RTOG-0617 showed a greater reduction in overall survival (OS) comparing higher doses to standard radiation doses in NSCLC RT. VHeart has been reported as an OS predictor in the first- and fifth-year follow-ups.
View Article and Find Full Text PDFA study to compare and correlate the effect of a yogic lifestyle on Framingham, Q RISK 3, and WHO risk scores among high-risk cardiovascular subjects.
Niger Med J
January 2025
Department of Physiology, Rajasthan University of Health Sciences, Jaipur, India.
Background: Cardiovascular diseases (CVDs) are a group of disorders of the heart and blood vessels. Yoga is a low-cost, easily accessible lifestyle modification program that holds as an approach to decreasing cardiometabolic risk factors and increasing exercise self-efficacy among high-risk subjects. This study aimed to assess the impact of the yogic lifestyle (including diet) on cardiovascular risk scores by using the Framingham (FRS), QRISK3 score, and World Health Organization (WHO) CVD risk prediction charts at baseline, three months, and six months.
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