16,211 research outputs found
3D Computed Tomography Virtual Intravascular Endoscopy: Clinical Applications in Cardiovascular Disease.
No full textMedical imaging of cardiovascular disease has improved rapidly with faster multislice CT angiography. The ability to visualize 3D reconstructed vascular structures has given clinicians a much better appreciation of the anatomy and the disease process. This book provides an overview of the diagnostic applications of CT virtual intravascular endoscopy (VIE) in cardiovascular disease. It is intended to fill the gap by providing a systematic overview of the diagnostic applications of VIE in cardiovascular disease. This book serves as a comprehensive piece of literature that encompasses all aspects from the technical principles of VIE image generation to diagnostic value and potential pitfalls of VIE in cardiovascular imaging. The primary motion to write this book is to provide an overview of the CT VIE in cardiovascular disease with a focus on the clinical applications and diagnostic value of this unique visualization tool. It is expected that readers, especially clinicians will gain a good understanding of the diagnostic value of CT VIE in the diagnosis of cardiovascular disease, so that their medical practice is enhanced with use of this exciting complementary visualization tool. (publisher website
Coronary computed tomography angiography in coronary artery disease: a systematic review of image quality, diagnostic value and radiation dose.
No full textCoronary artery disease is the leading cause of death in the developed countries of the world and it is becoming increasingly common in the developing world. Conventional invasive coronary angiography currently remains the gold standard for the evaluation of patients with known or suspected coronary artery disease. Limitations of the modality include its invasiveness, expense and time consumption, with small but substantial procedure-related complications. In recent years, systematic reviews and meta-analyses of the diagnostic value of coronary CT angiography are increasingly being used to measure the progress and innovations in the diagnostic management of patients with suspected coronary artery disease. This book provides an overview of the scientific methods used to search, analyze, appraise and synthesize studies on coronary CT angiography
Methods in research and development of biomedical devices
No full textThis book presents a road map for applying the stages in conceptualization, evaluation, and testing of biomedical devices in a systematic order of approach, leading to solutions for medical problems within a well-deserved safety limit. The issues discussed will pave the way for understanding the preliminary concepts used in modern biomedical device engineering, which include medical imaging, computational fluid dynamics, finite element analysis, particle image velocimetry, and rapid prototyping. This book would undoubtedly be of use to biomedical engineers, medical doctors, radiologists, and any other professionals related to the research and development of devices for health care.Kelvin K L Wong, Jiyuan Tu, Zhonghua Sun, Don W Dissanayak
Persistence of coronavirus in the cardiac tissue in patients following recovery from COVID-19
Get PDFIt is well known that coronavirus disease 2019 (COVID-19) patients present with symptoms involving multiple organs, in addition to its original manifestation of respiratory symptoms. Studies have reported that the coronavirus affects extrapulmonary organs including cardiovascular system (1-5). The cardiac injury associated with COVID-19 includes development of acute myocardial injury, cardiac arrhythmia and other cardiac complications which worsen the prognosis (6-8). Early reports during the pandemic outbreak in 2020 showed that about 12% of COVID-19 patients suffered from acute heart injuries (9), and 5–25% of hospitalised COVID-19 patients had elevations in cardiac troponin which is a biomarker of myocardial injury (9-11). While acute cardiac injury is well recognised and reported in the literature with clear definition, chronic cardiovascular damage associated with COVID-19 patients remains uncertain due to variable clinical manifestations in long-COVID patients
Author GOH Rivera Sun Speech
No full textAuthor GOH Rivera Sun gives her speech during the banquet ceremonies of Mythcon 52 in Albuquerque, NM on July 31st, 2022
Comparison of augmented reality with other teaching methods in learning anatomy: A systematic review
No full textAugmented reality (AR) has been investigated as an engaging educational tool that motivates undergraduate health science students to learn human anatomy. AR technology is developing rapidly, supporting medical education by presenting models of human anatomy as digital objects overlaid in the real world via mobile or head-mounted display (HMD). The purpose of this systematic review is to provide a post-pandemic analysis of AR compared with other methods for teaching anatomy and to determine the effects of AR on learning outcomes (LOs). Original research published between January 2020 and April 2024 was obtained from the WOS, Scopus, MEDLINE(Ovid), EMBASE, and PubMed databases, following PRISMA 2020 protocols. Articles included for analysis compared AR with alternative pedagogical methods of teaching undergraduate human anatomy. Studies that described AR as “mixed reality” (MR) were included, while those describing “virtual reality” (VR) were not considered. Risk of bias and limitations in individual studies were assessed using the Quality Assessment with Diverse Studies (QuADS) tool. Data were synthesized using a convergent integrated approach with LOs tabulated for visual analysis. A total of 17 articles were eligible for review: nine studies comparing AR via HMD hardware, and eight comparing mobile AR. The LOs of 12 studies were overwhelmingly reported as non-significant. Insufficient data precluded an accurate meta-analysis of LOs, and critical analysis revealed a considerable risk of bias and lack of justified methodology. While AR holds potential for supporting undergraduate students in learning anatomy, definitive outcomes from the current literature are limited by the heterogeneous nature of the studies and inconsistent use of terminology. It is recommended that future research employs professional AR technologies and incorporates the perspectives of university educators to ensure reliable outcomes that can direct the further development of AR technology in medical education
Assessment of Self-Archiving in Institutional Repositories: Depositorship and Full-Text Availability
No full textThis research evaluates the success of open access self-archiving in several well-known institutional repositories. Two assessment factors have been applied to examine the current practice of self-archiving: depositorship and the availability of full text. This research discovers that the rate of author self-archiving is low and that the majority of documents have been deposited by a librarian or administrative staff. Similarly, the rate of full-text availability is relatively low, except for Australian repositories. By identifying different practices of self-archiving, repository managers can create new strategies for the operation of their repositories and the development of archiving policies
Dr. Lin Sun, CAU, March 2013
No full textThis video is a conversation with Dr. Lin Sun. Dr. Sun talks about an exhibit at the Woodruff Library titled "At The Boundary." Jordan Moore, AUC Woodruff Library, is the interviewer
Cardiovascular Computed Tomography in the Diagnosis of Cardiovascular Disease: Beyond Lumen Assessment
No full textCardiovascular CT is being widely used in the diagnosis of cardiovascular disease due to the rapid technological advancements in CT scanning techniques. These advancements include the development of multi-slice CT, from early generation to the latest models, which has the capability of acquiring images with high spatial and temporal resolution. The recent emergence of photon-counting CT has further enhanced CT performance in clinical applications, providing improved spatial and contrast resolution. CT-derived fractional flow reserve is superior to standard CT-based anatomical assessment for the detection of lesion-specific myocardial ischemia. CT-derived 3D-printed patient-specific models are also superior to standard CT, offering advantages in terms of educational value, surgical planning, and the simulation of cardiovascular disease treatment, as well as enhancing doctor–patient communication. Three-dimensional visualization tools including virtual reality, augmented reality, and mixed reality are further advancing the clinical value of cardiovascular CT in cardiovascular disease. With the widespread use of artificial intelligence, machine learning, and deep learning in cardiovascular disease, the diagnostic performance of cardiovascular CT has significantly improved, with promising results being presented in terms of both disease diagnosis and prediction. This review article provides an overview of the applications of cardiovascular CT, covering its performance from the perspective of its diagnostic value based on traditional lumen assessment to the identification of vulnerable lesions for the prediction of disease outcomes with the use of these advanced technologies. The limitations and future prospects of these technologies are also discussed
Applying the NISO Metasearch Initiative Scheme to Enhance E-Resources Management at Rutgers University Library
No full textThis paper discusses problems in the management of library e-resources and attempts to identify potential solutions to the problems. By describing an e-resources enhancement project taken by Rutgers University Libraries, this paper points to the importance of providing contextually-rich metadata and reorganizing the accessibility of e-resources on a library’s website. It introduces how this Rutgers project adopted the National Information Standards Organization Metasearch Initiative to support the identification of appropriate e-collections for metaseaching. The outcomes of the project have facilitated a dynamic display of relevant e-resources to library users as an effective way of automatic access to library e-collections.Peer reviewe
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