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Deep learning has become an attractive tool for addressing the limitations of traditional digital image correlation (DIC). However, extending learning-based DIC methods to three-dimensional (3D-DIC) measurements is challenging due to the limited displacement estimation range, which cannot handle the large displacements caused by stereo-matching disparities. Besides, most of the existing learning-based DIC architectures lack prior information to guide displacement estimation, resulting in insufficient accuracy.
View Article and Find Full Text PDFAssociation with Outcome of the Regurgitant-Volume Adjusted Right Ventricular Ejection Fraction in Secondary Tricuspid Regurgitation.
J Am Soc Echocardiogr
January 2025
Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy; Department of Cardiology, Istituto Auxologico Italiano, IRCCS, Milan, Italy.
Background: In patients with secondary tricuspid regurgitation (STR), right ventricular ejection fraction (RVEF) may not accurately reflect the actual RV systolic performance since a considerable amount of the RV stroke volume (SV) is regurgitated back into the right atrium. To overcome this limitation, we explored the association with the outcome of the effective RVEF (eRVEF), which accounts for the tricuspid regurgitant volume (RegVol).
Methods: 513 patients with STR (mean age 75±13 years, 39% atrial STR, 58% severe) underwent complete two-, three-dimensional, and Doppler echocardiography.
Accessory posterior cerebral artery as a duplicate anterior choroidal artery.
Surg Radiol Anat
January 2025
Department of Neurosurgery, Nakamura Memorial Hospital, South 1, West 14, Chuo-ku, Sapporo, Hokkaido, 060-8570, Japan.
Purpose: Anatomical variations in the anterior choroidal artery (AChA) and/or the posterior cerebral artery (PCA) are rare. Hyperplastic AChA is an anatomical variant supplying both the AChA area and the PCA area. In accessory PCA, a hyperplastic AChA supplies part of the PCA territory.
View Article and Find Full Text PDFSurgical Repair of Double Outlet Right Ventricle Infants Guided by Three Dimensional-Computed Tomography Cardiac Modeling and Printing.
World J Pediatr Congenit Heart Surg
January 2025
Cardiothoracic Surgery, Rady Children's Hospital San Diego, San Diego, CA, USA.
Background: Double outlet right ventricle (DORV) is a challenging congenital cardiac lesion to surgically master. We utilize computed tomography-guided-three-dimensional (3D) modeling/printing and novel in-house software to delineate anatomical relationships providing operative insight into the surgical approach. Our intent is to highlight this and showcase our technology.
View Article and Find Full Text PDFThe feasibility of endoscopic stapes surgery: A three-dimensional planning method.
Laryngoscope Investig Otolaryngol
February 2025
Objective: The primary aim of this study was to investigate the accuracy of a semi-automatic algorithm in assessing the feasibility and complexity of endoscopic stapes surgery preoperatively.
Methods: A semi-automatic algorithm was developed to simulate endoscopic stapes surgery in 3D. To test the accuracy of the algorithm, five fresh-frozen cadaveric heads (ten ears) were used.
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