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https://www.readbyqxmd.com/read/28637959/examination-of-dose-reduction-using-image-noise-reduction-technology-in-cardiovascular-x-ray-systems
#1
Takaya Saijo, Shigenobu Seguchi
The aim of this study is to establish radiation exposure dose reduction protocols during cardiac intervention by decreasing the entrance dose at flat panel detector (FPD) with image quality evaluations. For measuring entrance surface dose (ESD), we have used a Radical 9015 dosimeter (6 cc ion chamber) placed under 20 cm thick acrylic plates at the patient's entrance reference point. We performed an image quality assessment based on quantitative as well as visual evaluation of the images obtained via current and dose reduction protocols...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28628619/south-african-ebola-diagnostic-response-in-sierra-leone-a-modular-high-biosafety-field-laboratory
#2
Janusz T Paweska, Petrus Jansen van Vuren, Gunther H Meier, Chantel le Roux, Ousman S Conteh, Alan Kemp, Cardia Fourie, Prabha Naidoo, Serisha Naicker, Phumza Ohaebosim, Nadia Storm, Orienka Hellferscee, Lisa K Ming Sun, Busisiwe Mogodi, Nishi Prabdial-Sing, Desiree du Plessis, Deidre Greyling, Shayne Loubser, Mark Goosen, Stewart D McCulloch, Terence P Scott, Alexandra Moerdyk, Wesley Dlamini, Kelfala Konneh, Idrissa L Kamara, Dauda Sowa, Samuel Sorie, Brima Kargbo, Shabir A Madhi
BACKGROUND: In August 2014, the National Institute for Communicable Diseases (NICD) in South Africa established a modular high-biosafety field Ebola diagnostic laboratory (SA FEDL) near Freetown, Sierra Leone in response to the rapidly increasing number of Ebola virus disease (EVD) cases. METHODS AND FINDINGS: The SA FEDL operated in the Western Area of Sierra Leone, which remained a "hotspot" of the EVD epidemic for months. The FEDL was the only diagnostic capacity available to respond to the overwhelming demand for rapid EVD laboratory diagnosis for several weeks in the initial stages of the EVD crisis in the capital of Sierra Leone...
June 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28622133/mirror-image-video-artifact-an-under-reported-digital-video-eeg-artifact
#3
Michael A Babcock, William H Levis, Amar B Bhatt
Synchronous video recording can be helpful in EEG recordings, especially in recognition of seizures and in rejection of artifacts. However, video recordings themselves are also subject to the risk of contamination by artifacts. We report a unique case in which a digital video artifact was identified, occurring during synchronous video-EEG recording, albeit independently of the EEG tracing itself. A synchronous digital video-EEG recording was performed on a 67-year-old male who presented in focal motor status epilepticus...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28622127/prevalence-of-sleep-disordered-breathing-during-routine-electroencephalogram-eeg-a-hospital-based-descriptive-study
#4
Rajesh P Poothrikovil, Abdullah Al Asmi, Ramachandiran Nandhagopal, Mohammed Al Abri
Sleep-disordered breathing (SDB) in adults is a common condition that is associated with a range of medical problems including hypertension, cardiovascular complications, and increase of seizure frequency in susceptible individuals. Polysomnography (PSG) is considered the gold standard measure in the diagnosis of SDB. This is an observational study on the frequency of SDB in adult patients referred for routine EEG. We found that routine EEG was capable of detecting moderate to severe symptoms of SDB in 14% of adult patients (95% confidence interval = 8...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28618085/improved-localization-spectral-quality-and-repeatability-with-advanced-mrs-methodology-in-the-clinical-setting
#5
Dinesh K Deelchand, Kejal Kantarci, Gülin Öz
PURPOSE: To investigate the utility of an advanced magnetic resonance spectroscopy (MRS) protocol in the clinical setting, and to compare the localization accuracy, spectral quality, and quantification repeatability between this advanced and the conventional vendor-provided MRS protocol on a clinical 3T platform. METHODS: Proton spectra were measured from the posterior cingulate cortices in 30 healthy elderly subjects by clinical MR technologists using a vendor-provided (point resolved spectroscopy with advanced 3D gradient-echo B0 shimming) and an advanced (semi-LASER with FAST(EST)MAP shimming) protocol, in random order...
June 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28612635/wearable-sensors-can-they-benefit-patients-with-chronic-kidney-disease
#6
Fokko Pieter Wieringa, Natascha Broers, J P Kooman, Frank M van der Sande, Chris van Hoof
Introduction This article ponders upon wearable medical measurement devices in relation to Chronic Kidney Disease (CKD) and its' associated comorbidities - and whether these might benefit CKD-patients. We aimed to map the intersection(s) of nephrology and wearable sensor technology to help technologists understand medical aspects, and clinicians to understand technological possibilities that are available (or soon will become so). Areas covered A structured literature search on main comorbidities and complications CKD patients suffer from, was used to steer mini-reviews on wearable sensor technologies clustered around 3 themes being: Cardiovascular-related, diabetes-related and physical fitness/frailty...
June 14, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28612078/an-insight-into-the-eanm-technologist-committee-benchmark-document-on-nuclear-medicine-technologists-competencies
#7
Pedro Fragoso Costa, Andrea Santos, Giorgio Testanera
No abstract text is available yet for this article.
June 13, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28605436/innovation-in-cardiovascular-disease-in-europe-with-focus-on-arrhythmias-current-status-opportunities-roadblocks-and-the-role-of-multiple-stakeholders
#8
Frits W Prinzen, Nikolaos Dagres, Andreas Bollmann, David O Arnar, Sylvie Bove, John Camm, Barbara Casadei, Paulus Kirchhof, Karl-Heinz Kuck, Joost Lumens, Martin C Michel, Peter J Schwartz, Betty Van Vleymen, Panos Vardas, Gerhard Hindricks
The European Heart Rhythm Association (EHRA) held an Innovation Forum in February 2016, to consider issues around innovation. The objective of the forum was to extend the innovation debate outside of the narrow world of arrhythmia specialists and cardiology in general, and seek input from all stakeholders including regulators, strategists, technologists, industry, academia, health providers, medical societies, payers, and patients. Innovation is indispensable for a continuing improvement in health care, preferably at higher efficacy and lower costs...
June 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28578598/hyperthyroidism-hypothyroidism-and-cause-specific-mortality-in-a-large-cohort-of-women
#9
Neige My Journy, Marie-Odile Bernier, Michele M Doody, Bruce H Alexander, Martha Linet, Cari Meinhold Kitahara
BACKGROUND: The prevalence of hyperthyroidism and hypothyroidism is 0.5-4% in iodine-replete communities, but 5-10 times higher in women than men. Those conditions are associated with a broad range of metabolic disorders and cardiovascular diseases. Biological evidence of a role of thyroid hormones in carcinogenesis also exists. However, the association between thyroid dysfunction and cardiovascular disease or cancer mortality risk remains controversial. In a large cohort of women, we evaluated the associations of hyperthyroidism and hypothyroidism with cause-specific mortality after nearly 30 years of follow-up...
June 3, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28576578/understanding-solid-phase-hla-antibody-assays-and-the-value-of-mfi
#10
REVIEW
Harold C Sullivan, Howard M Gebel, Robert A Bray
As the practice of medicine becomes more reliant on imaging and laboratory tests, medical decisions will be increasingly based on numbers. Accordingly, following the introduction of solid-phase testing to the HLA testing repertoire, laboratory directors and physicians have employed preset mean fluorescence intensity (MFI) thresholds as the basis for decisions in the management of transplant patients. However, what do MFI values mean? The literature is rife with reports detailing numerous factors that influence antibody assessment including (but not limited to) sensitization history of the patient, level of mismatch between donor and recipient, presence of interfering substances in the serum, whether the antigen on multiplex beads is native or denatured, day-to-day and technologist variability, and the historical performance of an assay in a given institution...
May 30, 2017: Human Immunology
https://www.readbyqxmd.com/read/28572739/patient-comfort-from-the-technologist-perspective-factors-to-consider-in-mammographic-imaging
#11
Christina C Mendat, Dave Mislan, Lisa Hession-Kunz
A sample size of 280 certified mammography technologists were surveyed to understand what factors affect patient discomfort during breast imaging. Given mammography technologists' level of patient involvement, they are uniquely positioned to observe factors that affect patient comfort. The findings suggest that according to technologists, multiple factors, including patient ethnicity, breast density, previous biopsy and lumpectomy experience, as well as psychological factors, impact breast discomfort during mammography...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28570128/effect-of-a-biopsy-center-on-adequacy-rates-of-thyroid-nodule-fine-needle-aspiration
#12
Vincent A Leung, Anish Kirpalani, Gevork Mnatzakanian, Errol Colak, Paraskevi A Vlachou
OBJECTIVE: The purpose of this study was to investigate the effect of a biopsy center-a dedicated space with a dedicated ultrasound machine and technologist, staffed daily by a radiologist responsible for performing ultrasound-guided procedures only-on the rate of non-diagnostic or unsatisfactory thyroid fine-needle aspiration (FNA). MATERIALS AND METHODS: Three radiologists performed FNA on 1200 nodules in 998 patients between September 2010 and November 2015. We compared rates of nondiagnostic or unsatisfactory FNA before and after implementation of a biopsy center in September 2014 as part of a quality improvement initiative...
June 1, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28569407/agreement-between-an-automated-volume-breast-scanner-and-handheld-ultrasound-for-diagnostic-breast-examinations
#13
Richard G Barr, Robert DeVita, Stamatia Destounis, Federica Manzoni, Annalisa De Silvestri, Carmine Tinelli
OBJECTIVES: To compare the agreement and interobserver variability of diagnostic handheld ultrasound (US) and a single volume on an automated breast volume scanner (ABVS) and to determine whether there was a significant difference if the ABVS was used by a sonographer or mammographic technologist. METHODS: Ninety patients scheduled for diagnostic US examinations were randomized to either handheld US or the ABVS first. The AVBS was randomized between a sonographer and a mammographic technologist performing the study...
June 1, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28557613/sustainable-development-of-pathology-in-sub-saharan-africa-an-example-from-ghana
#14
Helge Stalsberg, Ernest Kwasi Adjei, Osei Owusu-Afriyie, Vidar Isaksen
CONTEXT: - Pathology services are poorly developed in Sub-Saharan Africa. Komfo Anokye Teaching Hospital in Kumasi, Ghana, asked for help from the pathology department of the University Hospital of North Norway, Tromsø. OBJECTIVE: - To reestablish surgical pathology and cytology in an African pathology department in which these functions had ceased completely, and to develop the department into a self-supporting unit of good international standard and with the capacity to train new pathologists...
May 30, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28551344/developing-a-technologist-focused-quality-improvement-program
#15
Justin Glavis-Bloom, Ruth Rizzo, Amit Sura
No abstract text is available yet for this article.
May 24, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28536767/improving-efficiency-in-the-radiology-department
#16
REVIEW
Alexander J Towbin, Laurie A Perry, David B Larson
The modern radiology department is built around the flow of information. Ordering providers request imaging studies to be performed, technologists complete the work required to perform the imaging studies, and radiologists interpret and report on the imaging findings. As each of these steps is performed, data flow between multiple information systems, most notably the radiology information system (RIS), the picture archiving and communication system (PACS) and the voice dictation system. Even though data flow relatively seamlessly, the majority of our systems and processes are inefficient...
June 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28533102/real-time-electronic-dashboard-technology-and-its-use-to-improve-pediatric-radiology-workflow
#17
REVIEW
Randheer Shailam, Ariel Botwin, Markus Stout, Michael S Gee
The purpose of our study was to create a real-time electronic dashboard in the pediatric radiology reading room providing a visual display of updated information regarding scheduled and in-progress radiology examinations that could help radiologists to improve clinical workflow and efficiency. To accomplish this, a script was set up to automatically send real-time HL7 messages from the radiology information system (Epic Systems, Verona, WI) to an Iguana Interface engine, with relevant data regarding examinations stored in an SQL Server database for visual display on the dashboard...
March 19, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28532210/the-linear-nonthreshold-lnt-model-as-used-in-radiation-protection-an-ncrp-update
#18
John D Boice
PURPOSE: The linear nonthreshold (LNT) model has been used in radiation protection for over 40 years and has been hotly debated. It relies heavily on human epidemiology, with support from radiobiology. The scientific underpinnings include NCRP Report No. 136 ('Evaluation of the Linear-Nonthreshold Dose-Response Model for Ionizing Radiation'), UNSCEAR 2000, ICRP Publication 99 (2004) and the National Academies BEIR VII Report (2006). NCRP Scientific Committee 1-25 is reviewing recent epidemiologic studies focusing on dose-response models, including threshold, and the relevance to radiation protection...
June 14, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28515586/utility-of-supplemental-screening-with-breast-ultrasound-in-asymptomatic-women-with-dense-breast-tissue-who-are-not-at-high-risk-for-breast-cancer
#19
Geetika A Klevos, Fernando Collado-Mesa, Jose M Net, Monica M Yepes
OBJECTIVE: To assess the results of an initial round of supplemental screening with hand-held bilateral breast ultrasound following a negative screening mammogram in asymptomatic women with dense breast tissue who are not at high risk for breast cancer. MATERIALS AND METHODS: A retrospective, Health Insurance Portability and Accountability Act compliant, Institutional Research Board approved study was performed at a single academic tertiary breast center. Informed consent was waived...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28514911/action-learning-across-the-decades
#20
Ken Eason
Purpose The purpose of this paper is to explore how action learning concepts were used in two healthcare projects undertaken many decades apart. The specific purpose in both cases was to examine how action learning can contribute to shared learning across key stakeholders in a complex socio-technical system. In each case study, action learning supported joint design programmes and the sharing of perspectives about the complex system under investigation. Design/methodology/approach Two action learning projects are described: first, the Hospital Internal Communications (HIC) project led by Reg Revans in the 1960s...
May 2, 2017: Leadership in Health Services
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