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Radiation dose proportions of localizer radiograph and bolus tracking in low-dose pediatric cardiothoracic computed tomography.
Pediatr Radiol
January 2025
Department of Gastroenterology, Brigham and Women's Hospital, Boston, MA, USA.
Background: Optimization of localizer radiograph and bolus tracking doses is necessary, as their dose proportion may increase with a decreasing diagnostic scan dose in pediatric cardiothoracic computed tomography (CT).
Objective: To evaluate the radiation dose proportions of the localizer radiograph and bolus tracking in low-dose pediatric cardiothoracic CT.
Materials And Methods: For low-dose pediatric cardiothoracic CT, a posteroanterior localizer radiograph was acquired with 80 kV, and 35 mA or 20 mA in 852 infants (age<1 year).
Influence of Workplace Bullying and Bystander Types on Speaking Up for Patient Safety Among Hospital Nurses: A Cross-Sectional Study.
J Adv Nurs
January 2025
School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Aims: To explore the influences of workplace bullying experiences, witnessing workplace bullying and bystander types on Speaking up for patient safety (SUPS) among hospital nurses.
Design: Cross-sectional study.
Methods: A survey was conducted in September 2021 using a structured questionnaire about workplace bullying experiences, witnessing workplace bullying, bystander types, and SUPS.
Case Report: The Versatile Art of Reconstruction: A Decade-Long Journey With Recurrent Facial Basal Cell Carcinoma.
Cancer Rep (Hoboken)
January 2025
Histopathology Department, Teaching Hospital Anuradhapura, Anuradhapura, Sri Lanka.
Background: Basocellular carcinoma (BCC) is the most prevalent skin malignancy, often localizing to the UV-exposed skin of the face. While most BCC is relatively indolent, aggressive subtypes, including infiltrative BCC, pose the treatment challenges of ensuring functional and aesthetic preservation with a high risk of recurrence.
Case: A 78-year-old female patient complained of recurrent left chin BCC of infiltrative subtype, which was first treated in 2013 by wide local excision and adjuvant radiotherapy.
Elevated Frame Rates During Exercise Echocardiography Improve Speckle Tracking Success Rate and Augment Deformation Values.
Am J Physiol Heart Circ Physiol
January 2025
COR-HELIX, Institute of Sport Science, Leibniz University Hannover, Hannover, Germany.
Although 2D speckle-tracking echocardiography (STE) is important for the clinical quantification of myocardial function it remains unknown whether increased frame rates during exercise STE augment tracking success and absolute deformation values. 19 participants (15 male and 4 female; age 26.7±4.
View Article and Find Full Text PDFA CONVEX COMPRESSIBILITY-INSPIRED UNSUPERVISED LOSS FUNCTION FOR PHYSICS-DRIVEN DEEP LEARNING RECONSTRUCTION.
Proc IEEE Int Symp Biomed Imaging
May 2024
Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota, USA.
Physics-driven deep learning (PD-DL) methods have gained popularity for improved reconstruction of fast MRI scans. Though supervised learning has been used in early works, there has been a recent interest in unsupervised learning methods for training PD-DL. In this work, we take inspiration from statistical image processing and compressed sensing (CS), and propose a novel convex loss function as an alternative learning strategy.
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