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Artificial intelligence applied in identifying left ventricular walls in myocardial perfusion scintigraphy images: Pilot study.
PLoS One
January 2025
Electrical, Mechanical & Computer Engineering School, Federal University of Goias, Goiania, Brazil.
This paper proposes the use of artificial intelligence techniques, specifically the nnU-Net convolutional neural network, to improve the identification of left ventricular walls in images of myocardial perfusion scintigraphy, with the objective of improving the diagnosis and treatment of coronary artery disease. The methodology included data collection in a clinical environment, followed by data preparation and analysis using the 3D Slicer Platform for manual segmentation, and subsequently, the application of artificial intelligence models for automated segmentation, focusing on the efficiency of identifying the walls of the left ventricular. A total of 83 clinical routine exams were collected, each exam containing 50 slices, which is 4,150 images.
View Article and Find Full Text PDFAssessing the impact of messages about reduced nicotine cigar products among people who use little cigar and cigarillo: Insights from a discrete choice experiment.
Nicotine Tob Res
January 2025
Department of Health Promotion, Education and Behavior, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA.
Introduction: The U.S. Food and Drug Administration's (FDA) pursuit of a low nicotine standard for cigarettes raises concerns that a focus on cigarettes may encourage people to use other combusted tobacco products, undermining the policy's effectiveness.
View Article and Find Full Text PDFHealthcare waste management knowledge, attitudes and practices of laboratory workers at a regional hospital, Lesotho.
Afr J Lab Med
December 2024
Department of Environmental Health, Faculty of Health Sciences, National University of Lesotho, Roma, Maseru, Lesotho.
Background: Safe management of healthcare waste (HW) safeguards laboratory biosafety and biosecurity. Knowledge and attitudes influence HW practices, presenting a need for evidence of the current status.
Objective: This study assessed the knowledge, attitudes and practice of laboratory workers towards waste management at a regional hospital laboratory in Lesotho.
Social presence effect in language comprehension: evidence from event-related potential (ERP) research.
PeerJ
January 2025
School of Psychology, Liaoning Normal University, Dalian, Liaoning Province, China.
Objective: This study aimed to examine the impact of social presence on Chinese reading comprehension and associated neural responses.
Methods: Participants tasked with reading Chinese sentences either alone or in the presence of others and subsequently assessing the accuracy of the sentences' meanings. Concurrently, we recorded the participants' electrical brain responses to critical word processing.
Maintained transparency of preserved cornea after penetrating keratoplasty for fungal keratitis: A case report.
Am J Ophthalmol Case Rep
December 2024
Department of Ophthalmology, University of Tokyo Hospital, 7-3-1, Bunkyo-ku, Tokyo, Japan.
Purpose: This report presents a case of fungal keratitis treated with penetrating keratoplasty using a cryopreserved cornea, highlighting the successful maintenance of corneal transparency post infection resolution.
Observations: A 57-year-old man complaining of pain in the right eye was referred to our hospital. Although diagnosed with fungal keratitis, his corneal scraping indicated the presence of , and he was unresponsive to voriconazole, micafungin, and pimaricin treatments.
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