A significant problem encountered in designing operator training programmes is the lack of a method for establishing appropriate training criteria (final performance levels). This paper presents such a method which has been derived on the basis of integrating three relatively distinct technical areas: (1) learning curve modelling, (2) quality assurance concepts, and (3) economic analysis. The information requirements for making training decisions are discussed and sources of that information are proposed. The end result of applying the method is a quantifiable measure of the cost effectiveness of a training programme.
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http://dx.doi.org/10.1080/00140138008924820 | DOI Listing |
Med Phys
January 2025
Department of Engineering Physics, Tsinghua University, Beijing, China.
Background: X-ray grating-based dark-field imaging can sense the small angle scattering caused by object's micro-structures. This technique is sensitive to the porous microstructure of lung alveoli and has the potential to detect lung diseases at an early stage. Up to now, a human-scale dark-field CT (DF-CT) prototype has been built for lung imaging.
View Article and Find Full Text PDFAnn Surg Oncol
January 2025
Department of Otolaryngology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Background: Anaplastic thyroid cancer (ATC) is a highly lethal disease, often diagnosed with advanced locoregional and distant metastases, resulting in a median survival of just 3-5 months. This study determines the stratified effectiveness of baseline treatments in all combinations, enabling precise prognoses prediction and establishing benchmarks for advanced therapeutic options.
Methods: The study extracted a cohort of pathologically confirmed ATC patients from the Surveillance, Epidemiology, and End Results program.
Eur Spine J
January 2025
Department of Traditional Chinese Medicine, Dongguan Binhaiwan Central Hospital, Dongguan City, Guangdong Province, 523905, China.
Objective: To explore the efficacy and safety of the direct inferior endplate approach in percutaneous endoscopic interlaminar discectomy (PEID) for the treatment of L5-S1 disc herniation.
Methods: This was a retrospective analysis of 116 patients with L5-S1 disc herniation treated with PEID; 74 patients underwent surgery via the direct inferior endplate approach (group A), and 42 patients underwent surgery via the indirect approach (group B). The number of intraoperative fluoroscopy exposures, establishment channel time, operation time, postoperative visual analogue scale (VAS) score, and Oswestry Disability Index (ODI) were compared between the 2 groups.
Mol Biol Rep
January 2025
Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda, 151401, India.
Background: Multiple sclerosis (MS) is a chronic autoimmune condition that damages the myelin sheath of neurons in the central nervous system, resulting in compromised nerve transmission and motor impairment. The astrocytopathy is considered one of the prominent etiological factor in the pathophysiology of demyelination in MS. The expression level of ceramide synthase-2 (CS-2) is yet to be established in the pathophysiology of astrocytopathy although the derailed ceramide biosynthetic pathways is well demonstrated in the pathophysiology of demyelination.
View Article and Find Full Text PDFGraefes Arch Clin Exp Ophthalmol
January 2025
College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Background: To establish an objective method for assessing plus disease severity in retinopathy of prematurity.
Methods: Six images of plus diseases that were color-coded according to severity and published in the International Classification of Retinopathy of Prematurity, Third Edition (ICROP3) were analyzed. These images were individually processed, and the best-fit curve and vessel course in zone I were obtained using ImageJ software.
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